Piper Lance II Service Manual Download Page 146

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Summary of Contents for Lance II

Page 1: ...LANCE II SERVICE MANUAL CARD 1 OF2 PA 32RT 300 AND PA 32RT 300T PIPER AIRCRAFT CORPORATION PART NUMBER 761641 1Al ...

Page 2: ...and illustrations Changes in capitalization spelling punctuation indexing the physical location of the material or complete page additions are not identified by revision lines Revisions to Service Manual 761 641 issued January 3 1978are as follows Revisions Date Aerofiche Card Effectivity ORG780103 PR780902 PR790615 PR801003 PR810715 PR831101 PR850815 IR860429 IR860730 IR860920 January 3 1978 Sept...

Page 3: ...TURE 1D22 SURFACE CONTROLS 1F11 HYDRAULICSYSTEM 1H13 LANDING GEAR AND BRAKE SYSTEM 1J3 VIII VIIIA IX X XI XII XIII XIV AEROFICHE CARD NO 2 POWER PLANT PA 32RT 300 POWER PLANT PA 32RT 300T FUEL SYSTEM INSTRUMENTS ELECTRICALSYSTEM ELECTRONICS HEATING AND VENTILATING ACCESSORIES AND UTILITIES 2A8 2C8 2D12 2E1 2F1 1 2121 2J8 2J16 1A3 ...

Page 4: ... Plant Propeller Control Pivot Points Lubrication Chart Back up Extender Fuel Selector Exhaust System Inspection Points PA 32RT 300 Flap Control Cable Attachment Bolt Inspection Aileron and Flap Installation Wing Installation Empennage Group Landing Light Assembly Snubber Installation Skin Material and Thickness Surface Scratches Abrasions or Ground in Dirt Deep Scratches Shallow Nicks and Small H...

Page 5: ...t of Hydraulic Pump Checking Aligning Brackets of Gear Back Up Extender Actuator Gear Back Up Extender Actuator Nose Gear Actuating Cylinder End Gland Locking Device Main Gear Main Gear Actuating Cylinder Gear Back Up Extender Actuator Aligning Tool Nose Gear Oleo Strut Assembly Nose Gear Installation Nose Gear Service Tolerances Adjustment of Eccentric Bushing Nose Gear Adjustment Clamping Rudder...

Page 6: ...g Marks on Magneto Rotor 2B6 8 14 Painted Tooth Centered in Timing Window 2B7 8 15 Timing Mark on Rotor Aligned With Pointer 2B7 8 15a Timing Light Connected to Magneto and Breakers 2B8 8 16 Cam End View of Magneto 2B10 8 17 Removing Impulse Coupling 2B1 8 18 Checking Flyweight to Stop Pin Clearance 2B11 8 19 Stop Pin Installation Dimension 2B12 8 20 Checking Flyweight Axial Wear with Drill Shank ...

Page 7: ... PA 32RT 300T 2D 15 9 2A Fuel Cell Installation 2D 19 9 3 Fuel Gauge 2D20 9 4 Fuel Filter 2D21 10 1 Instrument Panel Typical 2E9 10 2 Instrument Air System Installation 2E12 11 1 Lamp Bank Load 2F18 11 2 Checking Field Current 2F18 11 3 Testing Field Circuit 2F19 11 4 Testing Rectifiers Positive 2F20 11 5 Testing Rectifiers Negative 2F21 11 6 C 3929 Fixtures and Adapters 2F22 11 7 Removing Rectifi...

Page 8: ...19 2G20 2G20 2G24 2HI 2H5 2H8 2H8 2H8 2H9 2H10 2H16 219 2J5 2J5 Stall Torque Hook up Ignition Switch Terminal Block 12 1 ELT Portable Folding Antenna NARCO 12 2 ELT Using Fixed Aircraft Antenna NARCO NOTE Electrical Schematics Figures 1144 to 11 63 see Table XI I 12 3 ELT Schematics 13 1 Cabin Heater Defroster and Fresh Air System PA 32RT 300 13 2 Cabin Heater Defroster and Fresh Air System PA 32R...

Page 9: ...1A9 INTENTIONALLY LEFT BLANK ...

Page 10: ... IH6 IH24 Leading Particulars Hydraulic System Characteristics Hydraulic Pump Motor Hydraulic System Troubleshooting Nose Gear Service Tolerances Main Gear Service Tolerances Toe In Toe Out Correction Chart Troubleshooting Chart Landing Gear Propeller Specifications Coupling Torques Engine Troubleshooting Chart Propeller Specifications Troubleshooting Chart Turbocharger Sender Fuel Quantity Gauge ...

Page 11: ...nent Loads Electrical System Troubleshooting Electrical Symbols Electrical Wire Coding Temperature Pressure Chart Aluminum Tubing Torque Compressor Oil Charge Troubleshooting Chart Air Conditioner Oxygen System Component Limits Troubleshooting Chart Oxygen System Aerofiche GridNo 2F14 2H13 2H 17 217 218 2J21 2J23 2K12 2L5 2L13 2L15 Revised 6 15 79 1All ...

Page 12: ...g Empennage Fuselage Landing Gear Hydraulic System Brake System Engine Propeller Fuel System IA13 IA13 IA13 IA13 IA13 IA 13 IA13 IA14 IA14 IA14 IA14 IA14 1IA 14 roster and Fresh air System IA 14 IA14 1 13 Flight Controls 1 14 Cabin Heater Defroster and Fresh air System 1 15 Radio 1 16 Instrument and Autopilot System IA14 Issued 1 3 78 1A12 ...

Page 13: ...the appropriate section of this manual For detailed operating instructions refer to the Pilot s Information Manual for the airplane Section II of this manual also gives leading particulars and principal demensions along with lubrication charts and other related routine service information 1 3 DESCRIPTION The Lance II PA 32RT 300 and PA 32RT 300T are single engine low wing monoplanes of all metal c...

Page 14: ... strainer bowl with fuel screen fuel selector valve and electrical auxiliary fuel pump and an engine driven fuel pump 1 13 FLIGHT CONTROLS The flight controls are conventional equipment consisting of a control wheel which operates the ailerons and stabilator and pedals which operate the rudder Duplicate controls are provided for the copilot 1 14 CABIN HEATER DEFROSTER AND FRESH AIR SYSTEM Heated a...

Page 15: ...2 14 Leveling B22 2 15 Mooring IB23 2 16 Locking Airplane B23 2 17 Parking B24 2 18 Towing B24 2 19 Taxiing C ICI 2 20 External Power Receptacle IC 2 21 Operation of External Power Receptacle IC1 2 22 Servicing IC2 2 23 General IC2 2 24 Fuel System 1C2 2 25 Servicing Fuel System IC2 2 26 Filling Fuel Tanks 1 2 27 Draining Moisture from Fuel System C2 2 27a Anti Icing Fuel Additive 1 28 Draining Fu...

Page 16: ...ompartment C 2 52 Cleaning Landing Gear ICl 2 53 Cleaning Exterior Surfaces C I 2 54 Cleaning Windshield and Windows IC I 2 55 Cleaning Headliner Side Panels and Seats ICI 2 56 Cleaning Carpets 2 57 Oil System Engine C12 2 58 Servicing Oil System C12 2 59 Filling Oil Sump C12 2 60 Draining Oil Sump IC12 2 61 Oil Screen Suction IC12 2 62 Oil Filter Full Flow IC13 2 63 Recommendations for Changing O...

Page 17: ...ently employed in this manual Refer to Figure 2 3 or Figure 2 4 Fuselage stations buttock lines and water lines are reference points measured by inches in the vertical or horizontal direction from a given reference line which indicates station locations of structural members of the airplane Station 0 of the fuselage is 78 4 inches ahead of the wing leading edge or 33 4 inches ahead of the firewall...

Page 18: ...LANCEII SERVICEMANUAL 329 84 Figure2 1 Three Viewof PA 32RT 300 HANDLINGANDSERVICING Issued 1 3 78 118 ...

Page 19: ...LANCEII SERVICEMANUAL 32 9 84 Figure2 2 Three Viewof PA 32RT 300T Issued 1 3 78 HANDLINGANDSERVICING 1A19 ...

Page 20: ...LANCE II SERVICE MANUAL Issued 1 3 78 HANDLING AND SERVICING 1A20 ...

Page 21: ...LANCE II SERVICE MANUAL Figure 2 4 Station Reference Lines PA 32RT 300T Issued 1 3 78 HANDLING AND SERVICING 1A21 ...

Page 22: ...ONS MODEL PA 32RT 300 PA 32RT 300T ENGINE 100 130 100 130 RSA IOEDI RSA IOED1 D6LN 2031 Dual D6LN 231 Dual Mag with impulse Mag with coupling impulse coupli 20 degrees BTC 20 degress BTC 0 016 in 0 01 6in Refer to Lycoming Service Instruction No 1042 Refer to Lycoming Service Instruction No 1042 1 4 5 2 3 6 14 5 2 3 6 MX4206 MX4206 Avco Lycoming IO 540 K 1G5D 300 hp 2700 rpm 12 U S quarts Avco Lyc...

Page 23: ...t 30 in Radius Governor Control Governor Model Hartzell See Table VIII I See Table VIII I 80 0 in 78 5 in 13 5 0 2 34 0 1 0 Hartzell F4 11B Hartzell See Table VIIIA I See Table VIIIA I 80 0 in 78 5 in 15 6 t 0 2 34 0 1 0 Hartzell F 4 lB 4 2 interconnected each wing 49 U S gallons each set Capacity Unusable Fuel 2 U S gallons each set 4 2 interconnected each wing 49 U S gallons each set 2 U S gallo...

Page 24: ...Tire Pressure Main HydraulicallyRetractable CombinationAir and Oil MiL H 5606 2 60 25 in 4 00 25 in 7 ft 10 12 in 22 5 2 left Right 75 ft 6 in Cleveland40 77Bor McCauleyD 30500 Cleveland40 90AStandard or Cleveland40 120 Heavyduty Cleveland30 65Standard or Cleveland30 83 Heavyduty 5 00 x 5 6 ply Type III 6 00 x 6 8 ply McCrearyor 6 00 x 6 8 ply B F Goodrich heavyduty 35 psi 38psi I CONTROLSURFACETR...

Page 25: ...e found in Section VIII or VIIIA of this manual a Unless otherwise specified torque all nuts to the applicable torque in the Recommended Torque Chart If the nut or the bolt is listed but not its mating fastener use the lower torque specified for the listed nut or bolt NOTE If normal operation requires movement between any of the components being clamped together tighten the nut or bolt without reg...

Page 26: ...le joints do not torque as described above Tighten nuts only to remove looseness in the joint and then install the cotter pin f Unless otherwise specified when parts are used on Lycoming engines using Piper furnished or existing Lycoming threaded fasteners use the torques specified in the latest applicable Lycoming specifications g After the final torque has been applied the nut or bolts or screws...

Page 27: ... otherwise specified by the manufacturer If the bolt or nut is specified to be lubricated prior to tightening the torque range should be reduced 50 percent 3 Use a bolt length long enough to prevent bearing loads on the threads The complete chamfer or end radius of the bolt or screw must extend through the nut 4 Unique torques specified in the text of this manual supersede the torques given in Cha...

Page 28: ...Tension SteelSheer AN 310 AN 320 AN 315 AN 364 AN 363 NAS 1022 AN 365 MS 17826 NAS 1021 MS20364 MS 17825 MS 21045 MS 20365 MS 20500 NAS 679 Nutbolt TonqueLimits size in lbs Torque Limits in lbs Min Max Min Max 8 32 10 24 1 4 20 5 16 18 3 8 16 7 16 14 1 2 13 9 16 12 6 8 11 3 4 10 7 8 9 1 8 1 1 8 8 1 1 4 8 12 20 40 80 160 235 400 500 700 1 150 2 200 3 700 5 500 6 500 15 25 50 90 185 255 480 700 900 ...

Page 29: ... MS20500 NAS 679 NAS 679 NAS 1291 Nut bolt Torque Limits Torque Limits Torque Limits Torque Limits Torque Limits Torque Limits size in lbs in lbs in lbs in lbs in lbs in lbs Min Max Min Max Min Max Min Max Min Max Min Max 8 36 12 15 7 9 5 10 3 6 10 32 20 25 12 15 25 30 15 20 10 15 5 10 1 4 28 50 70 30 40 80 100 50 60 30 45 15 30 5 16 24 100 140 60 85 120 145 70 90 40 65 25 40 3 8 24 160 190 95 110...

Page 30: ...ormula to be used Refer to Figure 2 4a T Torque desired at the part A Basic lever length from center of wrench shank to center of handle or stamped on wrench or listed for that model wrench B Length of adapter extension center of bolt to center of shank C Scale reading needed to obtain desired torque T The formula AxT C A B EXAMPLE A bolt requires 30 foot pounds and a 3inch adapter one quarter of ...

Page 31: ...for the original installation of identification markers but the aviation mechanic is responsible for their replacement when it becomes necessary Generally tapes and decals are placed on both ends of a line and at least once in each compartment through which the line runs In addition identification markers are placed immediately adjacent to each valve regulator filter or other accessory within a li...

Page 32: ...ATIC AND HEAT RESISTANT HOSE BROWN ORANGE ELECTRICAL CONDUIT GREEN OXGYEN STRIPE ING ISTANT HOSE REDNUMERALS LETTERSAND STRIPE E SELF SEALINGAROMATIC RALS AND LETTERS RESISTANTHOSE SE IENT HOSE IDENTIFICATION MARKINGS RED NUME D FLAME AROMATIC AND C ORANGE COMPRESSED GAS RED FUEL RED ORANGE GRAY INSTRUMENT AIR ORANGE BLUE PNEUMATIC BLUE YELLOW HYDRAULIC GRAY DE ICING YELLOW LUBRICATION AIR CONDITI...

Page 33: ... for Converting Inches to Millimeters Refer to Table II IIA A Example Convert 1 5inches to millimeters 1 Read down inches column to 1 inches 2 Read across top inch column to 0 5 3 Read down and across to find millimeters 1 5 inches is 38 10 millimeters 4 Procedure for Converting Fahrenheit F and Celsius C Centigrade Temperature Refer to Table II IIA A Read number in middle column if in degrees Cel...

Page 34: ... 0 07 1 778 0 08 2 032 0 09 2 286 1 295 1 549 1 803 2 057 2 311 1 320 1 574 1 828 2 082 2 336 1 346 1 600 1 854 2 108 2 362 1 371 1 625 i 879 2 133 2 387 INCHES 0 00 0 01 0 0 0 254 0 1 2 540 2 794 0 2 5 080 5 334 0 3 7 620 7 874 0 4 10 160 10 414 0 02 0 508 O 508 3 048 5 588 8 128 10 668 0 03 0 04 0 05 MILLIMETER 0 762 0 016 1 270 3 302 3 556 3 810 5 842 6 096 6 350 8 382 8 636 8 890 10 922 11 176...

Page 35: ... SERVICE MANUAL TABLE II IIA CONVERSION TABLES cont INCHES TO MILLIMETER INCHES 0 00 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 MILLIMETER THIS SPACE INTENTIONALLY LEFT BLANK Added 10 3 80 HANDLING AND SERVICING 1B11 ...

Page 36: ...110 120 130 140 150 160 170 180 190 200 210 F 94 0 76 0 58 0 40 0 22 0 4 0 14 0 32 0 50 0 68 0 86 0 104 0 122 0 140 0 158 0 176 0 194 0 212 0 230 0 248 0 266 0 284 0 302 0 320 0 338 0 356 0 374 0 392 0 410 0 C 104 44 110 00 115 56 121 11 126 67 132 22 137 78 143 33 148 89 154 44 160 00 165 56 171 11 176 67 182 22 187 78 193 33 198 89 204 44 210 00 215 56 221 11 226 67 232 22 257 78 243 33 248 89 2...

Page 37: ...TER KILOGRAM OUNCES AVDP OUNCES FLUID LB AVDP 2 205 35 27 1000 1000 61 03 0 03532 0 2642 0 22 1 057 39 37 3 281 1000 7 233 9 807 0 0625 28 35 4375 29 57 1 805 453 6 7000 16 0 6 4516 0 0703 1 609 0 8684 1 151 9463 1000 0 001 0 000039 11 521 0 72 0 453 LB OZ GRAMS CU CM CU IN CU FT U S GAL IMPERIAL GAL QUARTS IN FT MM FT LB JOULES LB AVDP GRAMS GRAINS CU CM CU IN GRAMS GRAINS OUNCES FT LB FLUID OZ G...

Page 38: ...62 688 69 17 462 6 23 203 20 5 159 45 703 70 17 859 7 23 64 219 22 5 556 32 719 72 18 256 47 15 64 234 23 5 593 64 734 73 18 653 250 25 6 350 750 75 19 050 64 266 27 6 747 766 77 19 447 32 281 28 7 144 32 781 78 19 844 19 51 297 30 7 540 13 4 797 80 20241 16 6 312 31 7 937 812 81 20 637 21 53 64 328 33 8 334 27 828 83 21 034 32 344 34 8 731 844 84 21 431 23 55 359 36 9 128 7 859 86 21 828 375 38 9...

Page 39: ...18 18 0 1695 19 0 166 20 0 161 21 0 159 22 0 157 1 7018 1 6129 1 5875 1 5113 1 397 6 0452 5 9531 5 9436 5 7912 5 6134 27 9 64 28 29 30 5 5562 5 4102 5 3086 5 2197 5 1816 1 8 31 32 33 34 5 1594 5 1054 5 0546 4 9784 49149 4 8514 4 8006 4 7625 4 699 4 6228 35 7 64 36 37 38 39 40 41 3 32 42 0 144 0 1406 0 1405 0 136 0 1285 0 125 0 120 0 116 0113 0 111 0 110 0 1093 0 1065 0 104 0 1015 0 0995 0098 0 096...

Page 40: ...tion damping effect as other cushion materials Use bonded clamps to secure hydraulic fuel and oil lines in place Unbonded clamps should be used only for securing wiring Remove any paint or anodizing from the portion of the tube at the bonding clamp location Make certain that clamps are of the correct size Clamps or supporting clips smaller than the outside diameter of the hose may restrict the flo...

Page 41: ...y TT A 580 JAN A 669 Anti Seize Compound White Lead Base NOTE with the fluid contained in the particular lines TABLE II IIE HOSE CLAMP TIGHTENING INITIAL INSTALLATION Types of clamps Types of hose Self sealing All other hose Worm screw type Finger tight plus 2 complete turns Finger tight plus I 4complete turns All other types Finger tight plus 2 1 2complete turns Finger tight plus 2 complete turns...

Page 42: ...ts have been installed in thin sheets driving out the locked stem may damage the sheets It is recommended that a small center drill beused to provide a guide for a larger drill on top of the rivet stem and the tapered portion of the stem be drilled away to destroy the lock Views 2 and 3 c Pry the remainder of the locking collar out of the rivet head with the drift pin See View 3 d Drill nearly thr...

Page 43: ... TIP 3 RUDDER TIP 4 TAIL CONE CONTROL CABLES TRIM SCREW 5 DOOR NOSE GEAR 6 DOOR BAGGAGE 7 COVER E LT ACCESS 820 4 2 B M LANCE II SERVICE MANUAL FUSELAGE LEFT 5 6 7 FUSELAGERIGHT 6 5 821 FUSELAGE BOTTOM 1 PANEL FLOOR 2 PLATES TUNNEL ACCESS 3 COVER FUEL SELECTOR FILTER 4 PANEL BATTERY HYDRAULIC ACCESS INTERNAL EXTERNAL Figure 2 5 Access Plates and Panels Issued 1 3 78 HANDLING AND SERVICING 1B19 ...

Page 44: ...UEL FITTING 3 MAIN FUELTANK 4 COVER FUEL BRAKE FITTINGS AND GEAR ATTACHMENT FITTING 5 FAIRING FLAP TORQUE TUBE AILERON CABLES 6 DOOR MAIN GEAR 7 COVER FUEL FITTING 8 COVER AILERON BELLCRANK ACCESS 9 COVER GEAR ATTACHMENT FITTING 1 WING TIP 2 PLUG AILERON BELLCRANK ACCESS 3 MAIN FUELTANK 4 CAP FUEL TANK Figure 2 5 Access Plates and Panels cont 1B20 H Issued 1 3 78 HANDLING AND SERVICING ...

Page 45: ...ling mooring parking towing and taxiing When the airplane is handled in the manner described in the following paragraphs damage to the airplane and its equipment will be prevented 2 12 JACKING Jack the airplane to service the landing gear and as specified to perform other service operations Proceed as follows a Place the jacks under jack pads on the front wing spar Refer to Figure 2 6 b Attach the...

Page 46: ...y be leveledwhile on jacks during the weighingprocedure while the wheelsare on scales or while the wheelsare on the ground To levelthe airplane for purposes of weighingor rigging the followingproceduresmay be used a To longitudinally level the airplane partially withdraw the two leveling screws located immediately below the left front side window Refer to Figure 2 8 Placeaspirit level on these scr...

Page 47: ...e down ropes to the wing tie down rings and the tail skid at approximately 45 degree angles to the ground When using rope constructed of nonsynthetic material leave sufficient slack to avoid damage to the airplane when the ropes contract due to moisture CAUTION Use square or bowline knots Do not use slip knots NOTE Additional preparations for high winds include using tie down ropes from the landin...

Page 48: ...he aileronsas this will causethe aileron contour to changeresultingin an out of trim condition 2 18 TOWING The airplane may be movedby using the nose wheel steering bar that is stowed belowthe forward ledge of the rear baggagecompartment or power equipment that willnot damageor cause excessstrain to the nose gear steering assembly Thestem on the bar is insertedin the hollowof the nose wheelaxleat ...

Page 49: ...ocket located on the fuselage Note that when the plug is inserted the electrical system is ON Proceed with the normal starting technique After the engine has started reduce power to the lowest possible RPM to reduce sparking and disconnectthe jumper cable from the aircraft Turn the master switchONand check the alternator ammeter for an indication of output DO NOT ATTEMPT FLIGHT IF THERE IS NO INDI...

Page 50: ...k is equipped with an individualquick drainlocated at the lowerinboard rear corner of the tank The fuel strainer and a system quick drain valveare located in the fuselage at the lowest point of the fuel system It is important that the fuel system be drained in the followingmanner a Drain each tank through its individualquick drain locatedat the lowerinboard rear corner of the tank makingsure that ...

Page 51: ...el in the system may be drained through the filter bowl Either wing tank set may be drained by closing the selector valve and then draining as desired 2 29 BRAKE SYSTEM 2 30 SERVICING BRAKE SYSTEM The brake system incorporates a hydraulic fluid reservoir through which the brake system is periodically serviced Fluid is drawn from the reservoir by the brake cylinders to maintain thevolume of fluid r...

Page 52: ... toluol Apply a coat of patch cement to both the patch and the insidecenter of the tire in line with the chalk marks Whenthe cement has dried install the patches makingcertainthey are on the center line of the tire and alignedwiththe chalk markson thesidewall Burnishthe patches to remove trapped air etc d Whenreassemblingthe wheel powder the inside of the tire Mount the tire on the valve side of t...

Page 53: ...125 x 10 25 4130 steel normalized 4 2 Nuts AN 365424 4 2 ea Spacer 0 50 x 2 25 50524 aluminum tubing 2 ea Spacer 050 x 1 25 50524 aluminum tubing 7 2 ea Bushing 1 480 x 1 625 x 1 00 Richillant phenoiic or aluminum 2 ea Bushing 2 240 x 1 37 x 1 00 Richlight pheonoiic or aluminum 4 1 Pipe 1 0 x 9 3 black steel pipe 2 Bearings Savetwo of each size worn wheel bearings from previous inspection Figure 2...

Page 54: ...ination pump and reservoir should be checked every 50 hours by viewing the fluid through the filler plug hole in the hydraulic pump Access to the pump is through the panel at the left side of forward baggage compartment To check fluid level remove the filler plug located on the forward side of the pump and ascertain that fluid is visible up to the bottom of the filler plug hole Should fluid be bel...

Page 55: ...re fluid Check the oleo for indications of oil leaks correct if required and add fluid as described in Paragraphs 2 40 For repair procedures of the landing gear and or oleo struts refer to Section VII WARNING Do not release air by removing the strut valve core or filler plug Depress the valve core pin until strut chamber pressure has diminished CAUTION Dirt and foreign particles form around the fi...

Page 56: ...r through the filleropening until it reachesthe bottom of the fillerplughole Airpressure type oil containermay be helpful 4 Install the filler plug fingertight and extend and compressthe strut two or three times to removeair from the housing 5 Remove the filler plug raisethe strut to full compressionand fill with fluid if needed 6 Apply thread lubricant Parker 6PB to the threads of the fillerplug ...

Page 57: ...he face of each blade should be painted when necessary with a flat paint to retard glare To prevent corrosion wipe surfaces with a light oil or wax In addition propellers should be inspected for grease or oil leakage and freedom of rotation on the hub pilot tube To check freedom of rotation rock the blade back and forth through the slight freedom allowed by the pitch change mechanism Lubricate the...

Page 58: ...th additional solventandallow to dry CAUTION Do not operate engine until excesssolventhas evaporatedor otherwisebeen removed d Removethe protective coversfromthe filter and magnetos e Lubricatecontrols bearingsurfaces etc per LubricationChart 2 52 CLEANINGLANDINGGEAR Beforecleaningthe landinggear placeaplasticcover or similarmaterial overthe wheel andbrake assembly a Placea panunder the gearto cat...

Page 59: ...and grease with a cloth moistened with kerosene NOTE Do not use gasoline alcohol benzene carbon tetrachloride thinner acetone or window cleaning sprays d After cleaning plastic surfaces apply a thin coat of hard polishing wax Rub lightly with a soft cloth Do not use a circular motion e A severe scratch or mar in plastic can beremoved by usingjeweler s rouge to rub out a scratch Smooth both sides a...

Page 60: ...UMP To drain theoil sump provide a suitable containerwitha minimum capacity of that required to fill the sump Remove the engine cowl and open the oil drain valve located on the underside of the engine by pushing the arms of the drain up and turning coun terclockwise This will hold thedrain in theopen position It is recommendedtheengine bewarmed to operating temperature to insure complete drainingo...

Page 61: ...hange to additive oil should be made with a degree of caution since the cleaning action of some additive oils will tend to loosen sludge deposits and cause plugged oil passages When an engine has been operating on straight mineral oil and is known to be in excessively dirty condition the switch to additive or compounded oil should be deferred until after the engine is overhauled b When changing fr...

Page 62: ...lnot to add too much oil becausethe excesswillbe thrown off during operation and will cause pitting and burningof the magnetopoints 2 67 APPLICATIONOF GREASE Care must be taken when lubricating bearings and bearing surfaceswith a greasegun to insure that gun is filledwith new cleangreaseof the grade specified for the particular applicationbefore applyinglubricantto the greasefittings a Wherea rese...

Page 63: ...nt Air Temperature Oil Inlet Temperature Desired Maximum SAE 50 SAE 40 SAE 30 SAE 20 Above 60 F 16 C 30 F to 90 F 1 C to 32 C 0 F to 70 F 17 C to 21 C Below 10 F 12 C 180 F 82 C 180 F 82 C 170 F 77 C 160 F 71 C 245 F 118 C 245 F 118 C 2250 F 107 C 210 F 99 C Issued 1 3 78 HANDLING AND SERVICING 1C15 ...

Page 64: ...LUBRICANTS LUBRICANT SPECIFICATION PREFERRED PRODUCT AND VENDOR MIL L 7870 MIL L 6082 MIL H 5606 MIL G 23827 TEXACO MARFAK ALL PURPOSEGREASE MOBIL GREASE 77 OR MOBILUX EP2 SHELL ALVANIA EP GREASE 2 PARKER O RING LUBRICANT AERO LUBRIPLATE FISKE BROS REFINING CO FLUOROCARBON RELEASE AGENT DRY LUBRICANT GREASE LUBRICATION GENERAL PURPOSEAIRCRAFT SILICONE COMPOUND GREASE WIDE TEMPERATURE RANGE MS 122 ...

Page 65: ...CLEAN OF OLD GREASE OIL DIRT ETC BEFORELUBRICATING NOTES 1 SEE LATEST REVISIONOF LYCOMINGSERVICE INSTRUCTIONS NO 1014 FOR USE OF DETERGENT OIL CAUTIONS 1 DO NOTUSE HYDRAULICFLUIDWITH A CASTOROIL OR ESTERBASE 2 DO NOTOVERLUBRICATECOCKPITCONTROLS 3 DO NOTAPPLY LUBRICANTTO RUBBERPARTS 4 DO NOTLUBRICATECABLES THIS CAUSESSLIPPAGE Issued 1 3 78 HANDLINGAND SERVICING 1C17 ...

Page 66: ...AX ALL PURPOSE GREASE OR MOBIL GREASE 77 OR MOBIL EP2 GREASE MIL L 7870 MIL G 23827 MIL G 23827 MIL L 7870 MIL H 5606 MIL H 5606 MIL H 5606 100 HRS 100 HRS 100 HRS 100 HRS 100 HRS 100 HRS 100 HRS 100 HRS 100 HRS AS REQUIRED 100 HRS 100 HRS 10 9 6 4 843 SPECIAL INSTRUCTIONS 1 Main wheel bearings Disassemble and clean with a dry type solvent Ascertain that grease is packed between the roller and con...

Page 67: ...R TORQUE LINK ASSEMBLY AND STRUT HOUSING MIL G 23827 100 HRS 9 DOWNLOCK HOOK TENSION SPRING ARMS SHIMMY DAMPENER AND ALIGNING ROLLER PIVOT POINTS MIL L 7870 100 HRS 10 STEERING BELLCRANK PIVOT POINTS AND ROD ENDS MIL L 7870 100 HRS 11 NOSE GEAR OLEO STRUT FILLER POINT MIL H 5606 AS REQUIRED 10 3 8 SPECIAL INSTRUCTIONS 1 Nose wheel bearings Disassemble and clean with a dry type solvent Ascertain th...

Page 68: ...CONTROL WHEEL MIL L 7870 100 HRS 7 O RING CONTROL SHAFT BUSHING PARKER O RING LUBRICANT AS REQUIRED 8 TEE BAR PIVOT POINT MIL L 7870 100 HRS 9 CONTROL COLUMN CHAIN MIL L 7870 500 HRS 10 CONTROL COLUMN FLEX JOINTS AND SPROCKET MIL L 7870 100 HRS 11 STABILATOR CONTROL MIL L 7870 100 HRS 877 10 3 SPECIAL INSTRUCTIONS Figure 2 12 Lubrication Chart Control System 6 SPECIAL INSTRUCTIONS Aileron hinges s...

Page 69: ...ON CHAINS 5 AILERON BELLCRANK PIVOT POINTS 6 AILERON CONTROL ROD END BEARINGS 7 AILERON BELLCRANK CABLE ENDS 875 LUBRICANT MIL L 7870 MIL L 7870 FREQUENCY 100 HRS 100 HRS 100 HRS 500 HRS 100 HRS 100 HRS 100 HRS MIL L 7870 MIL L 787 0 MIL L7870 MIL L 7870 MIL L 7870 863 2 2 4 3 SKETCHA SKETCHB Figure 2 13 Lubrication Chart Control System cont Issued 1 3 78 1C21 HANDLING AND SERVICING ...

Page 70: ...ATOR HINGE POINTS 8 RUDDER TRIM ASSEMBLY 874 LUBRICANT FLUOROCARBON RELEASE AGENT DRY LUBRICANT MS 122 MIL L 787 0 MIL L 7870 MIL L 7870 AERO LUBRIPLATEOR MAG 1 FISKEBROS RE FINING CO MIL L 7870 MIL L 7870 MIL L 7870 FREQUENCY 100 HRS 100 HRS 100 HRS 100 HRS 100 HRS 100 HRS 100 HRS 100 HRS 863 1810 2 SKETCHB SKETCHC Figure 2 14 Lubrication Chart Control System cont Revised 7 15 81 1C22 HANDLING AN...

Page 71: ...UBRICANT MIL L 7370 MIL G 23927 FREQUENCY 100 HRS 500 HRS SPECIAL INSTRUCTIONS Transmission to be 1 2 full of grease Apply grease during assembly and lubricate transmission ball nut and screw with MIL G 23327 grease Figure 2 15 Lubrication Chart Air Conditioning Condenser 1C23 HANDLINGANDSERVICING Issued 1 3 78 ...

Page 72: ...HRS 100 HRS 4 SEAT TRACK ROLLERS STOP PINS AND REAR SEAT LEG RETAINER CLIP AND CAM 5 SEAT LATCH STOP PIVOT POINT COPILOT 878 SPECIAL INSTRUCTIONS Apply fluorocarbon dry lubricant to door sealsat least once a month to prevent the seal from sticking and improve sealing characterstics STOP SHOULD BE LUBRICATED AND FREE TO SWIVEL WITHOUT EXCESSIVE PLAY SKETCH A Figure2 16 Lubrication Chart CabinDoor B...

Page 73: ...ELOW 10 F AIR TEMP SEENOTE FREQUENCY 50 HRS MIL G 23827 MIL L 7870 MIL G 77 11 MIL G 813 22 50 HRS 50 HRS 100 HRS 100 HRS 500 HRS 100 HRS SKETCHB SPECIAL INSTRUCTIONS 1740 1 AIR FILTER TO CLEAN FILTER REFER TO SECTION VIII OR VIIIA 2 PROPELLER REMOVE ONE OF THE TWO GREASE FITTINGS FOR EACH BLADE APPLY GREASE THROUGH FITTING UNTIL FRESH GREASE APPEARS AT HOLE OF REMOVED FITTING NOTE SEE LATESTREVIS...

Page 74: ...S MIL L 7870 100 HRS 3 BACK UP EXTENDER SPRING ATTACHMENT POINTS MIL L 7870 100 HRS 4 FUELSELECTOR LINKAGE MIL G 7711 100 HRS 801 873 4 4 SPECIAL INSTRUCTIONS 1 Diaphragm shaft and bushing soft film silicon compound MIL C 21567 is recommended for us whenoperating at temperaturesbelow 20 F Figure 2 18 Lubrication Chart Back up Extender Fuel Selector Issued 1 3 78 HANDLING AND SERVICING 1D2 ...

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Page 76: ...LANCE II SERVICE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 1D4 ...

Page 77: ...ection Requirements 3 5 Preflight Check 3 6 Overlimits Inspection Special Inspections 3 8 Programmed Maintenance 3 9 Inspection of Exhaust System 3 10 Inspection of Flap Control Cable Attachment Bolt 3 11 Inspection of Induction Air Inlet Duct and Alternate Heat Duct ID6 1D6 1D6 1D6 1D7 1D7 1D7 1D7 ID7 ID1O ID11 Issued 1 3 78 1D5 ...

Page 78: ...ch are Propeller Engine Turbocharger Cabin Fuselage and Empennage Wing Landing Gear Operational Inspection and General The first column in each group lists the inspection or procedure to be performed The second column is divided into four columns indicating the required inspection intervals of 50 hours 100hours 500hours and 1000hours Each inspection or operation is required at each of the inspecti...

Page 79: ... upon engine operating time d Those inspections not completely covered in other sections of this manual but outlined in the Inspection Report which must be explained in more detail to givea clearer and complete inspection 3 8 PROGRAMMED MAINTENANCE The programmed maintenance was designed to permit the utilization of the aircraft by scheduling inspections through the use of a planned inspection sch...

Page 80: ...k of the tail pipe assembly at 20 psi air pressure on PA 32RT 300T airplanes b Conduct a ground test using a carbon monoxide indicator by heading the airplane into the wind warming the engine on the ground advancing the throttle to full static RPM with cabin heat valves open and taking readings of the heated airstream inside the cabin at each outlet Appropriate sampling procedures applicable to th...

Page 81: ...LANCEII SERVICEMANUAL 1616 INSURE TABS ARE OUTSIDE OF SHROUD HOUSING PA 32RT 300 VIEW A Figure 3 1 Exhaust System Inspection Points Issued 1 3 78 INSPECTION 1D9 ...

Page 82: ...lap handleonly proceed as follows 1 Removeflap handle mountingbracket attachment bolts 2 Raise flap handle and bracket assembly to gain access to the control cable attachment bolt e On aircraft having the flap handle and trim wheel mounted together proceed as follows 1 Loosenthe trim wheelattachment bolt 2 Removethe trim wheelbracket attachment bolts and remove bracketfromtop of tunnel 3 Remove fl...

Page 83: ...not require duct removal and replacement to accomplish the inspection Inspect the ducts for evidence of deterioration as follows a Inspect the external surface of the ducts for loose or broken strings b Inspect the ducts for loose or displaced supporting wire c Inspect the ducts for signs of wear or perforation Should any of the above conditions exist remove and replace the affected duct or ducts ...

Page 84: ...move sludge from propeller and crankshaft 10 Inspect complete propeller and spinner assembly for security chafing cracks deterioration wear and correct installation I 11 Overhaul propeller see note 22 Inspection Time hrs 50 100 500 1000 0 0 0 0 O O O O O O O O O O O O O O O 0 0 0 0 0 0 O O O O O O O O O 0 0 0 B ENGINE GROUP WARNING Ground magneto primary circuit before working on engine NOTE Read ...

Page 85: ...fouling of spark plugs has been apparent rotate bottom plugs to upper plugs 13 Inspect spark plug cable leads and ceramics for corrosion and deposits O O O O 14 Check cylinder compression Ref AC 43 13 1A O O 15 Check cylinders for cracked or broken fins O O O 16 Check rocker box covers for evidence of oil leaks If found replace gasket torque cover screws 50 inch pounds See Note 12 NOTE Lycoming re...

Page 86: ...vernor and cowl flaps PA 32RT 300T controls for security travel and operating condition 37 Inspect exhaust stacks connections clamps and gaskets Refer to Section III Replace gaskets as required 38 Inspect muffler heat exchange and baffles Refer to Section III 39 Check breather tube for obstructions and security 40 Check crackcase for cracks leaks and security of seam bolts 41 Check engine mounts f...

Page 87: ...ss bearing drag or wheel rubbing against housing 4 Check turbine wheel for broken blades or signs of rubbing 5 Inspect turbocharger to tailpipe couplingclamp for proper seating and nut torque of 40 50 inch pounds and bypass coupling clamp for proper seating and nut torque to 80 90 inch pounds Safety the clamp nuts Refer to Maintenance Manual Installation of Turbocharger 6 Check operation of altern...

Page 88: ...navigation strobe cabin and instrument lights O O O O 10 Check instruments lines and attachments 11 Check gyro operated instruments and electric turn and bank Overhaul or replace as required O O O 12 Replace central air filter O 13 Clean or replace vacuum regulator filter O O O 14 Check altimeter Calibrate altimeter system in accordance with FAR 91 170 if appropriate 15 Check operation of fuel sel...

Page 89: ...st every 90 days 16 Check security of all lines 17 Check vertical fin and rudder surfaces for damage 18 Check rudder hinges sector and attachments for damage security and operation 19 Inspect rudder control stops to ensure stops have not loosened and locknuts are tight 20 Check vertical fin attachments for security 21 Check rudder hinge bolts for excess wear Replace as required 22 Check stabilator...

Page 90: ... 0 0 0 O 0 0 O 0 0 O O 0 0 O O 0 0 0 0 0 0 0 F WING GROUP 1 Remove inspection plates and fairings 2 Check surfaces and tips for damage loose rivets and condition of walkwa 3 Check aileron hinges and attachments 4 Check aileron cables pulleys and bellcranks for damage and operation 5 Inspect aileron control stops to ensure stops have not loosened and locknuts are tight 6 Check flaps and attachments...

Page 91: ... Check oleo struts for fluid leaks and scoring 15 Check gear struts attachments torque links retraction links and bolts for condition and security 16 Check downlock for operation and adjustment 17 Check torque link bolts and bushings Rebush as required 18 Check drag and side brace link bolts Replace as required 19 Check gear doors and attachments 20 Check warning horn and light for operation 21 Re...

Page 92: ... Check propeller smoothness 15 Check propeller governor action 16 Check cowl flaps operation PA 32RT 300T 17 Check engine idle 18 Check annunciator light panel 19 Check electronic equipment operation 20 Check operation of Autopilot including automatic pitch trim and manual electric trim See Note 23 21 Check air conditioner compressor clutch operation 22 Check air conditioner condenser scoop operat...

Page 93: ...rings and spring seat If any indications are found the cylinder and all of its components should be removed including the piston and connecting rod as sembly and inspected for further damage Replace any parts that do not conform with limits shown in the latest revision for Lycoming s Service Table of Limits SSP1776 12 Check cylinders for evidence of excessive heat indicated by burned paint on the ...

Page 94: ...ation of Windows Side 4 17 Structural Repairs 4 18 Fiberglass Repairs 4 19 Fiberglass Touch up and Surface Repairs 4 20 Fiberglass Fracture and Patch Repairs 4 21 Thermoplastic Repairs 4 22 Liquid Safety Walk Repair 4 23 Surface Preparation for Liquid Safety Walk 4 24 Product Listing for Liquid Safety Walk Compound 4 25 Application of Liquid Safety Walk Compound 4 25a Surface Preparation for Press...

Page 95: ...unless otherwise stated in this section 4 2 REMOVAL AND REPLACEMENT 4 3 REMOVALAND REPLACEMENT OF WING ASSEMBLY NOTE The major subassemblies of the wing may be removed individually or the wing may be removed as a unit To remove a wing a fuselage supporting cradle is required 4 4 REMOVALAND REPLACEMENT OF WING TIP a The wing tip is removed using the following steps 1 Remove the screws from around t...

Page 96: ... 2 a Remove wing root fairings and all wing inspection panels b Drain gas from the desired wing Refer to Draining Fuel System Section II c Drain brake lines and reservoir Refer to Draining Brake System Section II d Remove seats floor panels and interior side panels e Set the airplane on jacks Refer to Jacking Section II f Disconnect aileron balance cables at aileron bellcranks and aileron control ...

Page 97: ...WING I I LANCE II SERVICE MANUAL SKETCHA SKETCHB AILERON BOLT AN3 12 A WASHER AN960 10 3 REQ NUT MS20365 1032C Figure 4 1 Aileron and Flap Installation lEl Issued 1 3 78 STRUCTURE ...

Page 98: ...3900 20 2 REQ SKETCHE BOLT AN2 3 1 8 NUT AN3 10 3 WASHER AN960 10 COTTER PIN MS2466 132 LANCE IISERVICE MANUAL BOLT AN3 11 A WASHER AN960 10 NUT MS20369 1032C BUSHING 63900 19 2 REQ 2 REQ BUSHING 63900 39 Aileron and Flap installation cont STRUC STRUCTURE Issued 1 3 78 1E2 ...

Page 99: ...SHERS BETWEEN FORWARD FACE OF WING AND AFT FACE OF FUSELAGE FITTING IS 1 AN960 16L AND 1 AN960616 IT IS ALSO ACCEPTABLE TO HAVE THE FACES OF THE FITTINGS AGAINST EACH OTHER IN WHICH CASE THE AN960 616 L WASHER SHOULD BE USED UNDER THE BOLT HEAD THE AN960 616 MAY BE ADDED UNDER THE NUT WHEN NOT USED AS A SHIM SEE NOTE A A A NS960 6 SKETCH B AN960 616 Figure 4 2 WingInstallation Revised 9 2 78 STRUC...

Page 100: ...C MS20365 624C MS20365 624C MS20365 624C MS20365 624C MS20365 624C MS20365 624C MS20365 624C MS20365 624C 1 AN960 616 1 AN960 616 1 AN960 616 1 AN960 616 1 AN960 616 1 AN960 616 1 AN960 616 1 AN960 616 1 96352 3 1 96352 3 1 96352 3 1 96352 3 1 96352 3 1 96352 3 1 96352 3 1 96352 3 1 96352 3 1 96352 3 2 AN960 616 3 AN960 616 3 AN960 616 3 AN960 616 1 AN960 616 2 AN960 616 2 AN960 616 2 AN960 616 1 ...

Page 101: ...SKETCH A SKETCH B LANCE II SERVICE MANUAL BOLT AN34 A WASHER AN960 1OL 6 REQ SKETCH C Figure 4 3 Empennage Group Revised 6 15 79 STRUCTURE 1E5 ...

Page 102: ...WIRE BOLT AN4 12 WASHER AN960 416 2 REQ NUT AN3 10 4 COTTER PIN MS24665 132 NOTE TORQUE ALL NUTS IN THIS VIEW TO 80 90 INCH POUNDS BOLT AN46A WASHER AN960 416 NUT MS20365 428C 4 REQ 848 BOLT AN174 13A WASHER AN960 416 NUT MS20365 428 2 REQ SKETCHH SKETCHE SKETCH J BOLT ANS 7A WASHER AN960 516 2 REQ WASHER AN960 516L NUT MS20365 524 C 6 REQ BOLT AN 7A WASHER AN960 516 869 869 BOLT NAS1104 17 WASHER...

Page 103: ...s f Check attaching hardware for proper installation and torque Refer to Figure 4 3 4 10 REMOVALAND INSTALLATION OF VERTICAL FIN Refer to figure 4 3 a Remove the tail cone fairing and dorsal fin at the forward edge of the fin Disconnect lower tail light at the quick disconnect b Remove the rudder Refer to Paragraph 4 3 c Remove the stabilator Refer to Paragraph 4 9 d Disconnect the antenna wire fr...

Page 104: ...moval procedure 4 12 REMOVAL AND INSTALLATION OF DOOR LOCK ASSEMBLY a Remove door latch assembly by removing door trim upholstery and removing screws attaching latch plate and latch assembly to door b Disconnect latch pull rod from inside door handle c Remove complete latch assembly d Install the door latch in reverse of the removal instructions 4 12a REMOVAL AND REPLACEMENT OF DOOR SNUBBER SEAL N...

Page 105: ... 3 SCREW 4 WIRE ASSEMBLY L3C 5 COWL BOTTOM 2 1 3 LANCE II SERVICE MANUAL 4 5 4 PA 32RT 300T 1 BULB LANDING LIGHT 2 RING RETAINER 3 SCREW 4 TUBE 5 RING MOUNT 6 WIREASSEMBLY L3C 7 COWL BOTTOM 7 Figure 4 4 Landing Light Assembly Revised 7 15 81 STRUCTURE 1E9 ...

Page 106: ...the door jamb and working progressively around 1 Apply pressure to the snubber to remove any entrapped air and to insure that the edges are effectively bonded to the jamb NOTE Do not pre stretch the snubber especially in door cut out corner radii area this can induce cracks in the snubber It takes approximately one day for the bond to cure During this time the door must remain open to effect a max...

Page 107: ...CE MANUAL NOTES 1 ORIENTSNUBBERFLATWITHTHISSURFACE 2 BUTTJOINT OCCURSAT DOORDRAINAREA 3 DONOTSTRETCH SNUBBER AROUNDCORNERS 8968 FWD SNUBBER SEE NOTE2 K OUTBD PLATE SEE NOTE 1 VIEW A A VIEW B B ROTATED VIEW C C 0 20 IN VIEW F F VIEW G G ROTATED Figure 4 4a Snubber Installation Revised 7 15 81 STRUCTURE 1Ell ...

Page 108: ...TRIMSNUBBER TOCLEARALL DOORLATCH PINSAS REQUIRED STRIKER PLATE OVERSNUBBER VIEW H H STRIKER PLATE UNDER SNUBBER VIEW I I VIEWJ TRIMSNUBBER TOCLEARBAGGAGE DOORLATCH HANDLE VIEW L L Figure 4 4a Snubber Installation cont VIEWK Revised 7 15 81 STRUCTURE 1E12 ...

Page 109: ...e hollow between the outside edge and channel g Lay a small amount of sealant under the center trim strip install and secure h Lay black vinyl tape on the underside of the collar molding install and secure i Seal with sealant any areas around windshield that may allow water to penetrate past windshield j Remove excess exposed sealer or tape 4 15 REMOVAL OF WINDOWS Side Remove interior side panels ...

Page 110: ...15 45 3 Figure 4 5 Skin Materialand Thickness Issued 1 3 78 STRUCTURES Figure 4 5 Skin Material and Thickness Issued 1 3 78 STRUCTURES LANCE II SERVICE MANUAL ...

Page 111: ...8 20240 2 9 FIBERGLASS 10 2024 T3 2 11 THERMOPLASTIC OR FIBERGLASS 12 2024 T3 2 13 5052 H34 14 2024 T3 2 15 2024 T3 1 THICKNESS 016 020 020 025 032 040 051 032 020 040 040 032 016 NOTE LEFTWINGSHOWNRIGHT WING OPPOSITE 1 HEATTREATTO 2024 T42 AFTER FORMING 2 HEAT TREAT TO 2024 T3 AFTER FORMING Figure 4 5 Skin Material and Thickness cont Issued 1 3 78 STRUCTURES 1E15 ...

Page 112: ...air kit 4 19 FIBERGLASS TOUCH UP AND SURFACE REPAIRS a Remove wax oil and dirt from around the damaged area with acetone Methvl ethylketone or equivalent and remove paint to gel coat b The damaged area may be scaped with a fine blade knife or a power drill with a burr attachment to roughen the bottom and sides of the damaged area Feather the edge surrounding the scratch or cavity Do not undercut t...

Page 113: ...e angle and rough sand the hole and the area around it using 80 grit dry paper Feather back for about two inches all around the hole This roughens the surface for strong bond with patch e Cover a piece of cardboard or metal with cellophane Tape it to the outside of the structure covering the hole completely The cellophane should face toward the inside of the structure If the repair is on a sharp c...

Page 114: ...cure completely before removing cellophane Let cure and resand q Brush or spray a coat of catalyzed resin to seal patch Sand patch finish by priming again sanding and applying color coat NOTE Brush and hands may be cleaned in solvents such as acetone or methylethylketone If solvents are not available a strong solution of detergent and water may be used 4 21 THERMOPLASTIC REPAIRS The following proc...

Page 115: ...n constant motion to prevent heat buildup 8 For repairs in areas involving little or no shear stress the hot melt adhesives polyamids which are supplied in stick form may be used This type of repair has a low cohesive strength factor 9 For repairs in areas involving small holes indentations or cracks in the material where high stress is apparent or thin walled sections are used the welding method ...

Page 116: ...8 Mirror Bright Polish Co Inc Irvin Cal 92713 Obtain From Local Suppliers Cleaners ABS SolventCements Solarite 11 Series Solar Compounds Corp Linden N J 07036 Solvents MethylethylKetone MethyleneChloride Acetone Obtain From LocalSuppliers Epoxy Patching Compound Hot Melt Adhesives Polyamids and Hot Melt Gun Solarite 400 Stick Form 1 2 in dia 3 in long Solar Compounds Corp Linden N J 07036 Sears Ro...

Page 117: ...LANCEII SERVICEMANUAL 871 Hot Air Gun Figuri 4 6 SurfaceScratches Abrasionsor Ground in Dirt 871 Figure4 7 DeepScratches ShallowNicksand SmallHoles Issued 1 3 78 STRUCTURE 1E21 ...

Page 118: ...825 LANCE IISERVICEMANUAL Figure4 8 Mixingof Epoxy PatchingCompound 870 Figure4 9 WeldingRepairMethod Issued 1 3 78 STRUCTURE 1E22 ...

Page 119: ...uce a whitened appearance in a localized area and generally emanatefrom the severebendingor impactingof the material Refer to Figure4 13 2 To restore the material to its originalcondition and color uses ahot airgunor similarheating deviceand carefully apply heat to the affected area Do not overheatthe material g Paintingthe Repair 1 An important factor in obtaining a qualitypaint finishis the prop...

Page 120: ...LANCE IISERVICEMANUAL 827 DOUBLER PLATE BONDED TO UNDERSIDE OF DAMAGED AREA Figure4 10 Repairingof Cracks Issued 1 3 78 STRUCTURE 1E24 ...

Page 121: ...DAMAGED AREA 828 LANCEII SERVICEMANUAL PATCHING COMPOUND Figure 4 11 Various Repairs Issued 1 3 78 STRUCTURE 1F1 ...

Page 122: ...STRESS LANCE IISERVICEMANUAL 827 Figure4 12 Repairof StressLines 829 832 PROFILE VIEW INDICATING DAMAGED AREA Figure4 13 Repairof ImpactedDamage Issued 1 3 78 STRUCTURE 1F2 ...

Page 123: ...Nonslip includedin Piper Kit No 179872 4 25 APPLICATION OF LIQUID SAFETY WALK COMPOUND Liquid safety walk compound shall be applied in an area free of moisture for a period of 24 hours minimum after application Do not apply when surface to be coated is below 500F Apply liquid as follows a Mix and thin the liquid safety walk compound in accordance with the manufacturer s instructions on the contain...

Page 124: ...5 hours minimum prior to the application of the safety walk 4 25b APPLICATION OF PRESSURESENSITIVESAFETYWALK Kit 763 848V Wipe area with a clean dry cloth to insure that no moisture remains on surface Do not apply when surface temperature is below 50 F Apply pressure sensitive safety walk as follows a Peel back the full width of the protective liner approximately 2 inches from the leadingedgeof th...

Page 125: ...itions 0 4 28 CHECKING CONTROL SURFACES FREE PLAY The following checks are recommended before balancing to ascertain the amount of freeplay in the stabilator trim tab and aileron a Stabilator Check the stabilator for any free play at its attachment points by grasping each half near the tip and gently trying to move it up and down fore and aft and in and out No play is allowed b Stabilator Trim Tab...

Page 126: ... ADDED AS REQUIRED TO BALANCE TOOL ITSELF BEAM BALANCING BOLT USEDFOR BALANCING THE TOOL ITSELFONCE THETRAILING EDGE SUPPORT HAS BEEN SET HINGE CENTERLINE PLACED DIRECTLY OVER HINGE LINE OF CONTROLSURFACE BUBBLE LEVEL EW VERTICALLY AND HORIZONTALLY ADJUSTABLE TRAILINGEDGESUPPORT SET SCR VERTICALLY ADJUSTABLE FORSETTING BEAM PARALLEL TO CHORD LINEOFCONTROL SURFACE Figure4 14 Control Surface Balance...

Page 127: ...th the tool s hinge centerline directly over the hinge line of the control surface d Adjust the movable trailing edge support to fit the width of the control surface Tighten the set screw on the trailing edge support e Adjust the trailing edge support vertically until the beam is parallel with the control surface chord line f Remove the tool from the control surface and balance the tool itself by ...

Page 128: ...determine the static balance If the static balance is not within the limits specified in Table IV II proceed as follows a Leading Edge Heavy This condition is highly improbable recheck measurements and calculations b Trailing Edge Heavy There are no provisions for adding weight to balance weight to counteract a trailing edge heavy edge condition therefore it will be necessary to determine the exac...

Page 129: ...l as describedin Paragraph4 29 Readthe scalewhenthe bubble level has been centered by adjustment of the movable weight and determine the static balance limit If the static balance is not within the limits givenin Table IV IIproceed as follows a Nose Heavy This condition is highly improbable recheck calculations and measurements b Nose Light In this case the mass balance weight is too light or the ...

Page 130: ...erline Do not place the tool on the trim tab Calibrate the tool as described in Paragraph4 29 Read the scalewhen the bubblelevel has been centered by adjustment of the movableweight and determine the static balance limit If the static balance isnot within the limitsgivenin TableIV II proceed as follows a If the stabilator is out of limits on the leadingedgeheavyside removebalanceplates fromthe mas...

Page 131: ...ovalof StabilatorTrim Assembly Forward IG9 5 18 Installation of Stabilator Trim Assembly Forward GO10 5 19 Removalof StabilatorTrim Controls Aft IG 5 20 Installation of Stabilator Trim Controls Aft G 11 5 21 RiggingandAdjustment of Stabilator Trim IG 5 22 RudderandSteeringPedalAssembly G12 5 23 Removalof Rudderand SteeringPedalAssembly 1G12 5 24 Installationof Rudderand SteeringPedalAssembly G 13 ...

Page 132: ...here shall bea minimum of 3 8 inch thread engagement f When installing rod end jam nuts refer to Figure 5 la for proper installation method g Turnbuckle terminals should be screwed an approximately equal distance into the barrel During adjustment the terminals should not be turned in a manner which would put a permanent twist in the cable h After completion of adjustment tighten and inspect each j...

Page 133: ...cks LANCEII SERVICEMANUAL TABLE V I CONTROL SURFACE TRAVEL AND CABLE TENSION 857 STABILATOR CHORD LINE NEUTRAL POSITION SEE NOTE B Neutral position of stabilator Is with the stabilator chord line parallel with the top of the front seat tracks A B Rudder PedalNeutral Angle AFT VERTICAL TO SEAT RAILS 16 1 Cable Tensions AILERON FLAP STABILATOR STABILATOR TRIM TAB RUDDER 40 lbs 5 lbs 10 bs 1 lb 40 lb...

Page 134: ...nt 2 Maximum free play for aileron Is 0 24 of an inch measurd at trailingedge Max andplay of 0 25 Referto Section IV Paragraph 4 28 Rudder A 36 1 LEFT B 36 1 RIGHT B Flap FLAP IN NEUTRAL POSITION WITH RIGGING TOOL INSTALLED 0 NEUTRAL POSITION PERPARAGRAPH 5 36 10 2 FIRSTNOTCH TRAVEL 25 2 SECOND NOTCH TRAVEL 30 2 THIRD NOTCHTRAVEL 40 2 THIRD NOTCHTRAVEL FOR PA 32RT 300 FOR PA 32RT 300T Revised 9 2 ...

Page 135: ...20 110 I r LL W LANCE IISERVICEMANUAL TABLE V II CABLE TENSION VS AMBIENT TEMPERATURE 100 70 SUBTRACT ADD RIGGING LOAD CORRECTION POUNDS Issued 1 3 78 1F15 SURFACE CONTROLS ...

Page 136: ...OL WHEEL 10 PLATE CONTROL WHEEL II WASHER CONTROL WHEEL 12 SPACER STOP 13 SPROCKET LEFT CONTROL WHEEL 14 CHAIN LEFT ROLLER 15 IDLER SPROCKET AFT 16 CHAIN RIGHT ROLLER 17 PIN 18 IDLER SPROCKET FORWARD 19 BOLT BUSHING NUT COTTER PIN 20 PULLEY STABILATOR 21 PULLEYS AILERON 22 CABLES AILERON CONTROL 23 CABLES STABILATOR CONTROL 20 Figure5 1 Control ColumnAssembly Issued 1 3 78F16 1F16 SURFACECONTROLS ...

Page 137: ...VICEMANUAL 901 DAMAGE HERE IMPROPER TOOL RESULTINGIN LOCKEDBALL A SPECIAL WRENCH MAY BE REQUIRED WITH A LONG THROAT ONLY CORRECT METHOD Figure5 1a CorrectMethodof InstallingRod End Bearings Added 9 2 78 SURFACECONTROLS 1F17 ...

Page 138: ... nuts washersandbolts 3 6 Remove the tunnel plate just aft of the tee bar by laying back enough tunnel carpet to removethe plate attachment screws 7 Remove the two aileron control cablepulleys 21 attached to the lowersection of the tee bar by removingthe pulley attachment bolt 8 8 Disconnect the stabilator control cables 23 from the lower end of the tee bar assembly 9 Disconnect the necessary cont...

Page 139: ...rious Autopilot systems need to be installed in the control tube route them through the hole in the forward side of the tube and out of the small hole in the side Position the rubber grommet in the hole in the side of the tube 3 On the left control tube install the stop 12 4 Connect the control wheel tube 4 to the flexible joint 2 of the tee bar assembly If the control cables and or chains have no...

Page 140: ...pin nut washerand bolt 5 Draw the cablefrom the wing d Eitherbalance cable 18 or 19 may be removedby the followingprocedure 1 Separate the balance cable at the turnbuckle 24 in the right side of the floor opening aft of the main spar 2 If the left balance cable is to be removed remove the cotter pin used asa cable guard at the pulley 1 in the center of the flooropening 3 Remove the access plate to...

Page 141: ...CKLE RIGHT PRIMARY 13 CABLE RIGHT WING PRIMARY 14 CABLE RIGHT FUSELAGE PRIMARY 15 CABLE LEFT FUSELAGE PRIMARY 16 TURNBUCKLE LEFT PRIMARY 17 CABLE LEFT WING PRIMARY 18 CABLE RIGHT BALANCE 19 CABLE LEFT BALANCE 20 ROD CABLE GUARD 21 BOLT WASHER NUT 22 BOLT WASHER NUT 23 BOLT NUT BUSHING COTTER PIN 24 TURNBUCKLE BALANCE CABLE 25 BOLT BELLCRANK PIVOT 26 BUSHING BELLCRANK 27 TEFLON TUBE 28 PULLEY PRIMA...

Page 142: ...cable endto rotate freelyon the bellcrank 3 Connect the balancecableends at the turnbuckle 24 in the floor openingaft of the main spar 4 If the left cable wasremoved installthe cotter pin cableguard at the pulley 10 located in the center of the floor opening 5 Checkriggingandadjustment perParagraph5 11 6 Install the accessplate on the undersideof the wing 7 Install the floor panel seat belt attach...

Page 143: ...nd adjust the rigging of the aileron controls first set the right and left aileron bellcranks at neutral position Ascertain that the control chains have been rigged per Paragraph 5 5 This may be accomplished by the following procedure I Remove the access plate to each aileron bellcrank located on the underside of the wing forward of the inboard end of the aileron by removing the plate attachment s...

Page 144: ...Adjust the turnbuckles located in the floor opening aft of the main spar of the primary and balance cables to proper cable tension and maintain neutral center position ofthe control wheels Primary cable tension will be slightly less than balance cable tension but should be within the tension specified Adjust the cables so that when the specified tension is reached the inboard ends of the ailerons ...

Page 145: ...LANCE IISERVICEMANUAL Figure 5 3 BellcrankRiggingTool 851 Figure5 4 AileronRiggingTool Issued 1 3 78 SURFACECONTROLS 1G1 ...

Page 146: ...T WASHER NUT COTTER PIN 9 BOLT WASHER NUT 10 BLOCK CABLE RUB 11 GUARD CABLE 12 BOLT WASHERS NUT 13 BOLT WASHERS NUT 14 PULLEY FORWARD 15 BOLT WASHER NUT COTTER PIN 16 TURNBUCKLE 17 WEIGHT BALANCE ARM 18 BALANCE ARM STABILATOR 19 PULLEY AFT CLUSTER 20 BELLCRANK 21 BOLT WASHER NUT 22 BOLT WASHERS NUT COTTER PIN 23 PUSH ROD Figure 5 5 Stabilator Controls Issued 1 3 78 1G2 SURFACECONTROLS ...

Page 147: ... the rigging corrections that can be made there is a possibility that the trailing edge of the aileron has been used to move the aircraft forward This can result in a slight bulging of the aileron contour at the trailing edge which will cause an out of rig condition that is very difficult to correct 5 12 STABILATOR CONTROLS 5 13 REMOVAL OF STABILATOR CONTROL CABLES Refer to Figure 5 5 a To remove ...

Page 148: ...lt 8 2 Remove the cable guard pin at the pulley 7 3 Remove the cable from the airplane 5 14 INSTALLATION OF STABILATOR CONTROL CABLES Refer to Figure 5 5 a The forward stabilator cables 2 and 3 may be installed by the following procedure 1 Draw the control cable through the floor tunnel Ascertain that the right upper cable 2 is routed around the pulley 14 that is in the forward area of the forward...

Page 149: ...he stabilator as shown in Figure 5 6 This tool may be fabricated from dimensions given in Figure 5 21 4 Set on a bubble protractor the number of degree up travel as given in Table V I and place it on the rigging tool Raise the trailing edge of the stabilator and determine that when the stabilator contacts its stops the bubble of the protractor is centered NOTE The stabilator should contact both of...

Page 150: ...control wheel forward and stabilator on primary down stop check for 250 inch minimum clearancebetween tee bar and secondary forward stop 8 Check safety of all turnbuckles and bolts 9 With the tension of the upper cable correct and the control wheel still forward adjust the turnbuckle of the lower cable to obtain correct tension 10 Check the full travel of the control wheel with relation to the ful...

Page 151: ...LANCEII SERVICEMANUAL 863 STABILATOR TRAVEL ADJUSTMENT Figure5 7 StabilatorTravelAdjustments 124 Figure5 8 Methods of SecuringTrimCables Revised 9 2 78 1G7 SURFACECONTROLS ...

Page 152: ...ORWARD 24 BEARING 10 TURNBUCKLE RIGHT 25 BEARING 11 TURNBUCKLE LEFT 26 BEARING 12 CABLE AFT 27 WASHER 13 PULLEY CLUSTER 28 SNAP RING 14 BOLT BUSHING WASHERS NUT 29 BOLT BUSHING WASHERS NUT 15 GUARD CABLE 30 PUSH ROD 31 RETAINER NUT 32 ROD END 33 GUARD CABLE PLATE 34 PULLEY CLUSTER 35 PULLEY CLUSTER 36 PULLEY CLUSTER 37 BOLT WASHER NUT 38 GUARD CABLE 39 RUB BLOCK 40 RETAINER 41 PULLEY CLUSTER 42 WA...

Page 153: ...loor tunnel by removing attachment nuts washersand bolts 3 Removethe heater deflectors from each sideof the aft end of the forward floor tunnel by slidingthe deflector sidewaysand releasingthe retainerspring 4 Unfastenthe carpet from the aft portion of the forward floor tunnel and lay it forward 5 Remove the tunnel cover located between the trim control wheeland the spar coverby removingattachment...

Page 154: ...and install the trim control wheel as given in Step a 3 Position the cable pulleys 6 on their mounting bracket and install the clevis pin washer and cotter pin 5 4 Connect the cable 8 or 9 to the aft cable 12 at the turnbuckle 10 or 1 in the aft section of the fuselage Install aft cable 12 if not installed 5 Install the cable guard at the cable pulleys 13 in the aft lower section of the fuselage f...

Page 155: ... 14 cable wrapson the top side of the barrel Refer to Figure 5 10 b Blockthe cable by clamping between two pieces of wood laid next to the wraps to prevent unwrapping Fabricate block with a notch so hardware 20 can be installed After installationof hardwaresafety wire the bolts c Lubricate the bearings 24 25 and 26 and install barrel 21 per exploded view givenin Figure 5 9 Use spacer washers 42 as...

Page 156: ...ents can be made at the rod end g Check for proper rod end thread engagement and secure the jam nut 31 on the rod end h Turn the trim wheel to full travel and check for turnbuckle clearance and location of tab indicator i With the stabilator and trim in all extremes of travel and with the control wheel pulled or pushed to secondary stops check to insure that there is no interference between turnbu...

Page 157: ... bolts o Remove the two bolts 25 and 26 that extend through the torque tube and are located at the center of the tube assembly over the floor tunnel Compress the tubes p Disconnect the torque tube support blocks 7 and 8 from their support brackets on each side of the fuselage by removing the attachment nuts washers and bolts 6 q Removethe trim side pannels if desired r Remove the assembly from the...

Page 158: ... R OUTER 12 BRAKE CYLINDER 20 BOLT WASHER NUT COTTER PIN 31 RUDDER PEDAL L OUTER 5 PLATE 13 CLEVIS PIN COTTER PIN 21 BUNGEE NOSE WHEEL STEERING 32 RUDDER PEDAL L INNER 6 BOLT NUT 14 TUBE RUDDER CONTROL 22 JAM NUT 33 RUDDER PEDAL R INNER 7 SUPPORT BLOCK UPPER IS CLEVIS ROD 23 ROD END BUNGEE 34 RUDDER PEDAL R OUTER 2 SUPPORT BLOCK LOWER 16 CLEVIS PIN COTTER PIN 24 BOLT NUT 35 BRACKET TUBE SUPPORT Fi...

Page 159: ...NTROLS 5 26 REMOVAL OF RUDDER CONTROL CABLES Refer to Figure 5 12 a To remove either the forward 13 and 14 or aft 17 rudder cable first remove the access panel to the aft section of the fuselage b Disconnect the desired cable at the turnbuckle 15 or 16 in the aft section of the fuselage c Either forward rudder cable 13 or 14 may be removed by the following procedure 1 Remove the tunnel cover in th...

Page 160: ...located in the forward tunnel under the pulley cluster 5 and below the fuel selector into position and secure with cotter pin 5 Within the area of the floor opening aft of the main spar install the cable guard blocks 6 onto the spar housing and secure with screws and the cable guard pin 9 at the pulley cluster 8 in the aft area of the opening by sliding it into position and fastening it with a cot...

Page 161: ...6 RUB BLOCKS 7 BOLT BUSHINGS WASHER NUT 8 PULLEY CLUSTER 9 GUARD PIN CABLE 10 GUARD PLATE CABLE 11 BOLT BUSHINGS WASHER NUT 12 PULLEY CLUSTER 13 CABLE RIGHT FORWARD 14 CABLE LEFT FORWARD 15 TURNBUCKLE LEFT 16 TURNBUCKLE RIGHT 17 CABLE AFT 18 SECTOR ASSEMBLY 19 PULLEY AFT 20 FITTING STOP Figure 5 12 RudderControls Isued 1 3 78 SURFACECONTROLS 1G17 ...

Page 162: ...e to obtain proper cable tension as givenin Table V Iand to allowthe rudder to align at neutral position Adjustthe cables evenly to avoid uneven strain on aircraft components 4 Check safety of turnbuckles c Adjust the rudder pedal stops by pushing on the pilot s left rudder pedal until the rudder stop is contacted Adjust the pedal stop on the fire wall to provide 0 06 to 0 120 of an inch clearance...

Page 163: ...NCEII SERVICEMANUAL 836 LOCATE ABOVE BOTTOM ROWOF RIVETS ON FIN Figure5 13 Rudder RiggingTool 864 1 RUDDER STOP 2 JAM NUT 3 COTTER PIN Figure5 14 RudderTravelAdjustments Issued 1 3 78 1G19 SURFACECONTROLS ...

Page 164: ...are installed so the safety wire 12 willbe on top Also that the threaded bushing 4 isinstalled on the assembly shaft 15 with the welded attachment bushing forward or toward the housing d Attach the housing lug to the arm provided on the rudder pedal torque tube and secure with bolt washer and nut 7 Tighten the nut only finger tight and safety with cotter pin e Clamp the rudder pedals in neutral an...

Page 165: ...NUT I6 BLOCK BEARING 17 SPROCKET TENSION SPRING 18 BOLT WASHER NUT 19 BRACKET BEARING BLOCK 20 CHAIN TENSION SPRING 21 CLEVIS BOLT BUSHING NUT COTTER PIN 22 SPRING TENSION 23 CABLE FLAP CONTROL 24 PULLEY 25 TURNBUCKLE 26 CLEVIS BOLT NUT COTTER PIN 27 BOLT BUSHING WASHER NUT 28 BRACKET FLAP HANDLE 29 HANDOLE FLAP 30 BOLT WASHER NUT 31 SPROCKET RETURN SPRING 32 CHAIN RETURN SPRING 33 BLOCK BEARING 3...

Page 166: ...ingcotter pin nut and clevisbolt 21 8 Remove the tube support blocks 16 and 33 by removingthe blockattachment bolts 15 9 Remove the nuts washersand bolts 10 securingthe right andleft cranks 11 and stop fittings 13 on the torque tube 10 From between each wing and the fuselage remove the cranks 11 from the torque tube 11 Disconnect one bearing block 7 from its mounting brackets 6 by removing nuts wa...

Page 167: ...to allow the stop fitting to be pushed against the bearing blocks 7 thus allowing no side play of the assembly Tighten the bolt assemblies 10 on the stop fittings 8 Install the tube support blocks 16 and 33 on their support brackets 19 and secure with bolts 15 9 Connect the flap return spring 34 to the return chain 32 and or at the spar housing 10 Connect the control cable end to the tension chain...

Page 168: ...ween the stop fitting and the bearing block as measured along the top side of the screw Refer to Figure 5 17 It may be necessary to loosen the adjustment screw of the left stop d Place a 125 spacer between the stop fitting and the end of the screw Determine that when pressure is applied down on the flap it will remain in the up lock position If it extends turn the adjustment screw out a few thread...

Page 169: ...ee points not contact loosenthe jam nuts on each end of the control rod and rotate the rod until the three pointscontact Apply a slightup pressureagainstthe trailingedge of the flap while making this adjustment After adjustment retightenthejam nuts j Checkand adjust the other flapin a like manner NOTE In the event of wingheavinessduring flight the flap on the side of the heavy wing canbe adjustedd...

Page 170: ...1 0 LANCE II SERVICE MANUAL MATERIAL 125X 3 531 X 1 0 ALUM PLATE 3 531 062R 062R 2 781 0621 125 625 t 250 250 750 Figure 5 19 Fabricated Aileron Bellcrank RiggingTool Issued 1 3 78 1H2 SURFACE CONTROLS ...

Page 171: ...50 X 31 50 X4 00 ALUM BAR NOTE I DRILL ANDTAP TO 1 4 28NF BOLTAND FILE TO REQUIREDLENGTH 2 SPARSTOCKMAY BE USEDIN PLACEOF ALUM BAR STOCK SEE NOTE I t 31 50 Figure 5 20 Fabricated Aileron and Flap RiggingTool Issued 1 3 78 SURFACECONTROLS 1H3 ...

Page 172: ...3 82 ALUM BAR LANCEIISERVICEMANUAL i 25 SET BACK SURFACE PARALLEL TO BASE LINE STABILATOR CONTOUR BASE LINE 94 1 53 1 00 2 28 15 03 LEADING EDGE Figure 5 21 Fabricated Stabilator RiggingTool Issued 1 3 78 SURFACECONTROLS 1H4 ...

Page 173: ...16 65 LANCE IISERVICE MANUAL 24 55 FOR 6 65 TRAVEL MAKE FROM 12 ALUM Figure 5 22 Fabricated Rudder RiggingTool Issued 1 3 78 SURFACE CONTROLS 1H5 ...

Page 174: ...esistance to control System not lubricated Lubricate system wheel rotation properly Cable tension too high Adjust cable tension Refer to paragraph 5 11 Control column hori Adjust chain tension zontal chain improperly Refer to paragraph adjusted 5 5 Pulleys binding or Replace binding pulleys rubbing and or provide clearance between pulleys and brackets Cables not in place on Install cables cor pull...

Page 175: ...ccordance with paragraph 5 5 Rig in accordance with paragraph 5 11 Adjust in accordance with paragraph 5 11 Aileron bellcrank stops not adjusted properly Adjust in accordance with paragraph 5 11 Correct aileron travel cannot be obtained by adjusting bellcrank stops Control wheel stops before control surfaces reach full travel Incorrect rigging of aileron cables control wheel and control rod Incorr...

Page 176: ...umn A P Pulleysbindingor R rubbing an b b Cablesnot in placeon In pulleys re Cablescrossedor C routed incorrectly ca Bent stabilator hinge R st Stabilator stops A incorrectly adjusted pa Remedy Adjust cable tension perparagraph 5 15 Checklinkageand ightenor replace eplacepulley nstallcablescor ctly Lubricate system Adjustcabletension er paragraph 5 15 Adjustand lubricate er paragraph 5 5 Replace b...

Page 177: ...ragraphs 5 18 and 5 20 Broken pulley Linkage loose or worn Replace pulley Check linkage and tighten or replace Trim control wheel moves with excessive resistance NOTE Refer to Section XII for Autopilot and Automatic trim service manual information System not lubricated properly Cable tension too high Pulleys binding or rubbing Cables not in place on pulleys Lubricate system Adjust in accordance wi...

Page 178: ...justed properly Adjust in accordance with paragraph5 21 RUDDERCONTROLSYSTEM Lostmotion between rudderpedals and rudder Cabletension too low Adjust cabletension per paragraph5 28 Linkagelooseor worn Brokenpulley Boltsattachingrudder to bellcrankare loose Checklinkageand tighten or replace Replacepulley Tighten bellcrankbolts Excessiveresistance to rudder pedal movement Systemnot lubricated properly...

Page 179: ...tly Install cables cor rectly Check cable guards Check routing of control cables Rudder pedals not neutral when rudder is streamlined Incorrect rudder travel Rudder cables incorrectly rigged Rudder bellcrank stop incorrectly adjusted Rig in accordance with paragraph 5 28 Rig in accordance with paragraph 5 28 Nose wheel contacts stops before rudder Rig in accordance with paragraph 5 28 RUDDERTRIMCO...

Page 180: ...TROLSYSTEM Flaps fail to extend or retract Flaps not synchro nized or fail to moveevenlywhen retracted Control cable broken or disconnected Incorrect rigging of system Replaceor reconnect control cable Refer to paragraph5 35 Adjustflapsper in structionsin paragraph 5 36 Issued 1 3 78 SURFACECONTROLS 1H12 ...

Page 181: ... 6 14a OperationalCheckof RetractableLandingGearSystem 116 6 15 Nose Gear Actuating Cylinder 117 6 16 Removalof Nose GearActuatingCylinder 117 6 17 Disassemblyof NoseGearActuatingCylinder 118 6 18 Cleaning Inspection and Repairof NoseGearActuatingCylinder 119 6 19 Assemblyof NoseGearActuatingCylinder 119 6 20 Installation of NoseGearActuatingCylinder 119 6 21 MainGearActuatingCylinder 119 6 22 Rem...

Page 182: ...sis suppliedby an electrically powered reversible pump located below the raised floor in the forward baggagecompartment at station 45 A reservoiris also an integral part of the pump The pump is controlled by a selector switch on the instrument panel to the left of the control quadrant As the switch is placed in either the up or downposition the pump directs fluid through the particular pressure li...

Page 183: ...reased altitude The sensing device operation is controlled by a differential air pressure across a flexible diaphragm which is mechanically linked to the hydraulic valve and an electrical switch which actuates the pump motor A high pressure and static air source for actuating the diaphragm is provided in a mast mounted on the left side of the fuselage above the wing Manual override of the device i...

Page 184: ...ALVE DELIVERED PRESSURE 400 to 800 psi HIGH PRESSURE CONTROL 2000 to 2500 psI THERMAL RELIEF 2250 250 psi GEAR UP CHECK VAL VE DIFFERENTIAL PRESSURE SWITCH OFF at 1400 100ps ON at 200 to 400 psi I 1 a Figure6 1 SchematicDiagramof HydraulicSystem Revised6 15 79 HYDRAULIC SYSTEM 1H16 ...

Page 185: ...STALLED ON THE MAIN GEAR RETRACTION LINE DO NOT MISTAKE THIS FOR A STANDARD AN NIPPLE 1 ACTUATING CYLINDER RIGHT 2 NIPPLE RESTRICTOR SEE NOTE 3 GEAR BACK UP EXTENDER ACTUATOR 4 BACK UP EXTENDER MAST S ACTUATING CYLINDER LEFT 6 LEVER EMERGENCY EXTENDER 7 ACTUATING CYLINDER NOSE 8 PRESSURE SWITCH 9 PUMP RESERVOIR Figure 6 2 HydraulicSystemInstallation Revised 7 15 81 HYDRAULIC SYSTEM 1H17 ...

Page 186: ...gear to operate properly Whentrouble develops Jack up the airplane refer to Jacking Section II and then proceed to determine the extent of the trouble TableVI III at the back of this section lists the troubles which may be encountered and their probable cause and suggestsa remedy for the trouble involved A hydraulicsystem operationalcheck may be conducted using Figures 6 1 or 6 2 Whenthe trouble h...

Page 187: ...or may be removed from the pump and disassembled as follows 1 Remove thru bolts 4 from head 1 of motor Using a knife cut the seal coating between the motor head and case 2 Lift the head up from the case approximately 50 of an inch this will allowinspec tion of brushes 3 without the brushes unseating from the commutator Refer to Paragraph 6 7 for brush inspection The brush leads are secured to the ...

Page 188: ...n reservoir 13 Note aligning marks on frame and reservoir 2 Place thrust washers 11 of the same amount removed on the drive end of the armature 8 3 Lubricate the entire length of the armature shaft on the drive end with light grease to prevent O ring seal from damage Insert end of shaft in reservoir 4 Saturate felt oiling pad around commutator end bearing with SAE 20 oil Allow excess oil to drain ...

Page 189: ...owing tests 1 Connect the 0 to 1000 psi gauge to the low pressure port of the pump base 2 Connect the 0 to 3000 psi gauge to the high pressure port of the pump base 3 Connect black lead of pump motor to the negative terminal of the DC power supply 4 Remove the filler plug located on the forward side of the pump and ascertain that fluid is within 1 2 inch of the bottom of the filler plug hole Shoul...

Page 190: ...ST 12 SCREW VENT AND FILLER 13 RESERVOIR 14 SEAL 15 CASE VALVE AND GEAR 16 BASE PUMP 17 BOLT 18 SCREW 8 19 BOLT 20 BUSHING 21 WASHER 22 GROMMET 23 WASHER 24 BUSHING 25 SHELF 26 NUT 19 LANCE 2 4 7 9 10 11 12 13 HIGH PRESSURE THERMAL RELIEF PRESSURE RELIEF 15 5 1 Figure6 3 Hydraulicpump Reservoir ExplodedView Issued 1 3 78 1H22 1H22 HYDRAULICSYSTEM ...

Page 191: ...HIGH PRESSURE PORT 1 LANCE IISERVICEMANUAL GROUND BLACK HIGH PRESS BLUE LOW PRESS GREEN 14 V D C ONEONLY 14 V D C Figure 6 4 Test and Adjustments of Hydraulic Pump Issued 1 3 78 1H23 HYDRAULICSYSTEM ...

Page 192: ...rical Characteristics Voltage 14 V D C Rotation Reversible Polarity Negative ground Operating Current 75 amps max at 14 volts both rotations Operating Time 12 seconds max with a current load of 75 amperes at 77 F Overload Protection Thermal circuit breaker Automatic Reset Time 12 seconds max Location Automatic Reset Commutator end head of motor Mechanical Characteristics Bearings Absorbent bronze ...

Page 193: ...n grommet 22 c Place washer 21 over bolt 19 and insert bolt through grommet 22 and bushing 20 and pump base 16 d Place washer 23 and bushing 24 over bolt 19 and secure to mounting shelf 25 e Connect hydraulic Linesto pump f Connect pump electrical leads Blue wire to gear up solenoid green wire to gear down solenoid and black wire to ground g Check fluid level in pump Refer to Section II for fillin...

Page 194: ...to Figure6 6 a Position the gearback up extender actuator againstits mounting brackets andinstall attaching hardware Do not tighten nuts NOTE With the base attached and before installing the attaching screw through the ring of the diaphragmhousing insurethat the attaching holesin the housingandmounting bracket align without using force Should they misalign it may be necessaryto reform the main fus...

Page 195: ...Y PRESSURE 11 HOSE STATIC 12 ELBOW 13 HOSE PRESSURE 14 NUT 15 BUSHING TEFLON 16 SHAFT DIAPHRAGM 17 CLEVIS PIN 18 LINK 19 ARM ACTUATING 20 SCREW 21 SWITCH PUMP 22 SCREW NUT 23 ACTUATOR SWITCH 24 SPRINGS 25 VALVE HYDRAULIC 26 TUBE 27 ELBOW 28 JAM NUT 29 ANCHOR 30 PUSH ROD 31 SPACER 32 ADJUSTMENT NUT 33 WASHER 34 CAM 35 ECCENTRIC BOLT 36 NUT 37 ELBOW 38 TEE 39 TUBE 40 TUBE 41 TUBE 42 NIPPLE 43 NIPPLE...

Page 196: ...he control cable assembly connector located at the spar box linkage Refer to Figures 6 2 and 6 6 i Install floorboard and center seats 6 14 CHECK AND ADJUSTMENT OF GEAR BACK UP EXTENDER ACTUATOR Refer to Figure 6 6 a If diaphragm failure is suspected note the following 1 If the landing gear retracts or extends at too high an airspeed or will not retract at all unless the back up extender is placed...

Page 197: ...nterclockwise until spring 24 tension is free WARNING While making adjustments do not lay tools in area exposed by the removal of floorboard This may interfere with airplane controls 7 With the airplane at a safe altitude slow the airplane to a glide of 109 KIAS with the gear selector handle up and the throttle reduced to power OFF Gear unsafe light and horn will indicate when power is reduced At ...

Page 198: ... d Turn master switch OFF 6 Check gear operation in the normal manner with the use of the gear selector switch The emergency extension lever must be held in the up override position 7 Ascertain that gear is down and locked and remove airplane from jacks Then flight check the retractable landing gear system Refer to Paragraph 6 14a 6 14a OPERATIONAL CHECK OF RETRACTABLE LANDING GEAR SYSTEM a Maximu...

Page 199: ... light will indicate an unsafe condition It will indicate when the gear is in an intermediate position neither fully up nor down In conjunction with the gear warning horn it will indicate when the throttle setting is less than 14 2 inches of manifold pressure while the gear is not down and locked It will also indicate when the gear is down and locked while the selector switch is in the UP position...

Page 200: ...ks Damage could occur to the downlockif not disengagedfully d Disconnect the aft end of cylinder from its attachment fitting and remove the cylinder fromthe wheelwell 6 17 DISASSEMBLY OF NOSE GEARACTUATINGCYLINDER Refer to Figure6 7 a With the cylinder removedfrom the airplane mark the position of the end gland 2 to facilitate reinstallation b Removesafetywire 1 and unscrewend gland 2 c Additional...

Page 201: ...GEAR ACTUATING CYLINDER a Attach the cylinder to its attachment fitting using bolt and nut b Attach the operating rod end to the downlock this will require manually unlocking the nose gear to allow clearance from the engine mount to install attaching bolt Refer to Caution Note Paragraph 6 16 c Connect the hydraulic lines to the cylinder fittings d Check the adjustment of the cylinder rod end Refer...

Page 202: ...D Figure6 8 End GlandLockingDevice MainGear 1767 10 1 END GLAND 6 PISTON 2 BACK UP RING 7 CYLINDER BODY 3 O RING 8 O RING 4 RETAINER RING 9 CLEVIS 5 O RING 10 BEARING Figure6 9 MainGearActuatingCylinder Issued 1 3 78 HYDRAULICSYSTEM 1110 ...

Page 203: ...with a suitable dry type solvent and dry thoroughly b Inspect the cylinder assembly for the following 1 Interior walls of cylinder and exterior surfaces of piston for scratches burrs corrosion etc 2 Threaded areas for damage 3 End fitting retainer slot for excess wear 4 Rod end fitting and swivel fitting of cylinder for wear and corrosion c Repairs to the cylinder are limited to polishing out smal...

Page 204: ...hydraulic system should be tested to determine that it functions properly after performingany serviceor repairs It is suggested that the airplane be connected to an outsidepower sourcein orderto conservethe battery Refer to External Power Receptacle SectionII CAUTION Turn master switch OFF before inserting or removing external powersupply plug a Placeairplaneon jacks Refer to Jacking SectionII b W...

Page 205: ... the pump is through the panel at the left sideof forwardbaggagecompartment To check fluid level removethe fillerpluglocated on the forwardsideof the pump and ascertain that fluid is within 1 2 inch of the bottom of the fillerplughole Should fluid be below this level add fluid MIL H 5606A through the fillerhole Reinstallthe filler plug and tighten NOTE A smallvent holeis located under the vent scr...

Page 206: ...er open Landing gear actuator circuit wires broken Landing gear selector circuit wires broken Safety squat switch out of adjustment Squat switch inoper ative Pressure switch inoperative Pump retraction sole noid inoperative inboard solenoid 1114 Reset circuit breaker and determine cause for open circuit breaker Check wiring Check wiring Readjust switch Refer to Adjustment of Safety Switch Section ...

Page 207: ...should be further checked Landing gear retraction system fails to operate cont Gear selector switch ground incomplete Gear selector switch inoperative Check ground Replace switch Hydraulic pump ground incomplete Hydraulic pump inop erative Auxiliary extender switch inoperative Hydraulic fluid in reservoir below operating level Battery low or dead 1115 Check ground Replace or overhaul pump Replace ...

Page 208: ...diaphragm Refer to Piper Service Letter No 810 Can be checked by using override Landing gear exten sion system fails to operate Landing gear actuator circuit breaker open Reset circuit breaker and determine cause for open circuit breaker Landing gear selector circuit breaker open Landing gear actuator circuit wires broken Landing gear selector circuit wires broken Reset circuit breaker and determi...

Page 209: ...ear selector switch it may be assumed that the gear control circuit is operating properly and the actuator circuit should be further checked Gear selector switch ground incomplete Gear selector switch inoperative Hydraulic pump ground incomplete Hydraulic pump inop erative Hydraulic fluid in reservoir below operating level Low or dead battery 1117 Check ground Replace switch Check ground Replace o...

Page 210: ...selector circuit breaker opens Pressure switch out of adjustment Mechanical restriction or obstruction in hyd raulic system to allow pressure to build up and shut off pump be fore gear has re tracted Shuttle valve sticking in pump base Reset circuit breaker and determine cause for overload Remove and readjust or replace switch Place airplane on jacks and run retraction check Isolate and determine ...

Page 211: ...retraction sole noid sticking in board solenoid Internal leakage of system Replace switch Replace solenoid Check back up exten sion unit valve for internal leakage Check gear actuating cylinders for internal leakage Check for internal dam age to hydraulic pump External leakage of system Check back up exten sion unit valve for external leakage Check gear actuating cylinders for external leakage Iss...

Page 212: ... off though the gear has fully extended Pump extension sole noid sticking out board solenoid Replace solenoid Nose gear down limit switch actuator out of adjustment Nose gear down limit switch failed Main gear down limit switch out of adjust ment Main gear down limit switch failed Adjust switch actuator Refer to Adjustment of Nose Gear Down Limit Switch Section VII Replace switch Adjust switch Ref...

Page 213: ...nal leakage of system Remove pump and re place check valve Check auxiliary retrac tion unit valve for internal leakage Check gear actuating cylinders for internal leakage External leakage of system Check back up exten sion unit valve for external leakage Check gear actuating cylinders for external leakage Check for broken or damaged hydraulic lines Gear stops part way up but pump con tinues to run...

Page 214: ...ydraulic lines Hydraulic fluid in reservoir below operating level Fill reservoir with hydraulic fluid All gears fail to free fall Gear free falls at air speeds above that required Back up extension unit valve fails to open Back up extender unit hydraulic valve fails to close Check unit and valve and replace Check extender unit spring adjustment Check hydraulic valve for sticking open Check extende...

Page 215: ...agm shaft caused by build up of sand or dirt Clean all moving parts Landing gear will not retract after select ing up at an airspeed above actuator speed Also upon trying to override it is found that only with a steady pressure can the override be activ ated After gear does retract and the over ride lever manual extruder is relaxed approximately 11 to 15 seconds the gear will fall free Restriction...

Page 216: ...f light fails to operate Shorted gear up solenoid Shorted gear up solenoid Shorted gear down solenoid Shorted gear down solenoid Auto extension off switch actuator out of adjustment Replace solenoid Replace solenoid Replace solenoid Replace solenoid Adjust switch Refer to Section VI Paragraph 6 2 for switch loca tion by moving mount ing bracket at attach ment slot Adjust switch until actuator is c...

Page 217: ... 1 50 LANCE IISERVICEMANUAL A 12 00 25 50 1 1 50 25 062 25 ALLEN SET SCREW MATERIAL Steel Figure 6 10 Gear Back UpExtender Actuator AligningTool Issued 1 3 78 1J1 HYDRAULIC SYSTEM ...

Page 218: ...THIS PAGE INTENTIONALLY LEFT BLANK 1J2 LANCE II SERVICE MANUAL ...

Page 219: ...J24 7 18 Main Landing Gear System J24 7 19 Disassembly of Main Gear Oleo 1 IJ24 7 20 Cleaning Inspection and Repair of Main Gear Oleo IK5 7 21 Assembly of Main GearOleo IK5 7 22 Removal of Main Landing Gear IK9 7 23 Cleaning Inspection and Repair of Main Landing Gear IK10 7 24 Installation of Main Landing Gear IK 11 7 25 Adjustment of Main Landing Gear 1K12 7 26 Alignment of Main Landing Gear IK 1...

Page 220: ...lies ILI 7 54 BrakeSystem 1L2 7 55 Wheel Brake Assembly 1L2 7 56 Brake Adjustment and Lining Tolerance 1L2 7 57 Removaland Disassemblyof WheelBrakeAssembly L2 7 58 Cleaning Inspection and Repair of Wheel Brake Assembly 1L5 7 59 Assemblyand Installation of WheelBrakeAssembly IL6 7 60 Brake Master Cylinder Hand Parking Brake 1L6 7 61 Removalof BrakeMasterCylinder IL6 7 62 Disassemblyof BrakeMasterCy...

Page 221: ...tch allows the gear unsafe light to come on The gear unsafe light willremain on until the gear is up and all up limit switches are actuated to their normally open NO circuit The red gear unsafe light also operates simultaneously with the warning horn and in conjunction they have a twofold purpose Their primary purpose is to give warning when power is reduced below approximately 14inches of manifol...

Page 222: ...he pilot to latch the extension lever inthe up override position thus bypassing the automatic portion of the system A flashing warning light is mounted below the gear selector lever to indicate whenever the latch is in use The latch is disengaged by pulling up on the extension lever To assist the nose gear to extend under these conditions are two springs one inside the other mounted on arms above ...

Page 223: ...UBE 17 SNAP RING 18 ROLL PIN 19 WASHER STOP 20 DELETED 21 HOUSING STRUT 22 DELETED 23 OLEO CYLINOER 24 LINK UPPER TORQUE 23 BOLT WASHER BUSHINGS NUT AND COTTER PIN 26 LINK LOWER TORQUE 27 PIN BEARING RETAINING 28 O RING 29 BEARING UPPER TUBE 30 TUBE ORIFICE 31 PLATE ORIFICE 32 SNAP RING 33 O RING 34 BEARING LOWER TUBE 35 O RING 36 WIPER STRIP 37 WASHER 38 SNAP RING 39 TUBE PISTON 40 PISTON TUBE PL...

Page 224: ...LANCE II SERVICE MANUAL 11 Figure 7 1 Nose Gear Oleo Strut Assembly cont Issued 1 3 78 1J8 LANDING GEAR AND BRAKE SYSTEM ...

Page 225: ...from the strut as possible d To remove the complete cylinder and fork assembly from the oleo housing 21 cut safety wire 2 at the top of the unit and remove cap bolts 1 that attach steering arm 11 and aligner guide bracket 12 to the top of the oleo cylinder 23 e Disconnect the shimmy dampener by removing each cotter pin nut washer and bolt that connects the dampener to the oleo cylinder 23 and hous...

Page 226: ...AR OLEO Refer to Figure 7 1 a Ascertain that parts are cleaned and inspected b To install the piston tube plug 40 first lubricate the tube plug and O ring 41 with hydraulic fluid MIL H 5606A and install the O ring on the plug Lubricate the inside wall of the tube 39 insert the plug into the top of the tube and push it to the fork end Align the bolt holes of the fork tube and plug and install bolt ...

Page 227: ... tight enough to allow no side play in the link yet be free enough to rotate j Install the cylinder into the oleo housing position spacer washer s 43 over the top of the cylinder and secure with snap ring 17 Install spacer washers as required to obtain 0 to 015 of an inch thrust of the cylinder within the housing k At the top of the oleo housing install on the cylinder the aligner guide bracket 12...

Page 228: ... from the forward spring arm 43 that is attached to the right sideof the strut housing 25 e Retract nose gear slightlyto removethe gearfrom its downlockedposition f To remove the upper and lowerdraglinks 32 and 35 the followingprocedure may be used 1 Disconnect the rod end of the hydraulic cylinder 42 from the downlockhook 40 by removing nut and bolt that connects these two units This willrequire ...

Page 229: ...END BEARING 32 DRAG LINK LOWER 33 BOLT WASHER NUT AND COTTER PIN 34 BOLT WASHER NUT AND COTTER PIN 35 DRAG LINK UPPER 36 BOLT AND NUT ASSEMBLY 37 BOLT WASHER AND NUT 38 JAM NUT 39 SPRING DOWNLOCK 40 HOOK DOWNLOCK 41 ROD ACTUATOR 42 CYLINDER HYDRAULIC 43 ARM SPRING 44 ENGINE MOUNT 45 ARM SPRING 46 SPRING Figure7 2 NoseGearInstallation Issued 1 3 78 LANDING GEARANDBRAKESYSTEM 1J13 ...

Page 230: ... failures e Check drag link through center travel by attaching the upper and lower drag links and ascertaining that when the stop surfaces of the two links touch linkage is not less than 125 nor more than 250 of an inch throughcenter Should the distanceexceedthe required through center travel and bolt and bushing are tight replace one or both drag links f The shimmy dampener requires no service ot...

Page 231: ...19 20 21 LANCE II SERVICE MANUAL 3018 I 16 15 26 12 Figure 7 2a Nose Gear ServiceTolerances 1J15 LANDING GEARAND BRAKESYSTEM 1J15 Added 7 15 81 ...

Page 232: ...k Trunnion Bushing Bearing Link Assembly Bearing Nose Gear Strut Tube Bearing Nose Gear Arm Bushing Trunnion Assembly Bushing Bushing Bushing Nose Gear Outer Bushing I D 4385 4375 1 D 4385 4375 I D 4385 4375 I D 376 375 I D 645 640 1 D 2505 2495 1 D 189 191 I D 313 314 1 D 313 314 1 D 2495 2505 I D 247 248 I D 241 246 I D 249 250 I D 201 181 1 D 249 245 I D 443 441 4395 4375 4395 4375 4395 4375 37...

Page 233: ...ing Bearing Bushing Eccentric Bearing Downlock Lower Strut Assembly Torque Link Fitting Torque Link Trunnion Torque Link Fitting Torque Link Manufacturers Dimension I D 375 I D 3125 3180 I D 385 390 I D 260 265 I D 502 I D 241 246 I D 193 195 1 D 2495 2505 I D 2495 2505 Service Dimension 395 375 3235 3125 395 385 270 260 512 502 241 251 196 193 2515 2495 2515 2495 Service Tol 020 011 010 010 010 0...

Page 234: ...Drag Link Upper 39 67054 3 Trunnion Assy Main Attach Fitting 40 38040 02 Drag Link Upper 41 38040 02 Drag Link Upper I D 312 313 I D 3745 3760 I D 4415 4425 I D 378 379 I D 6285 6295 I D 4385 4375 I D 6235 6245 312 314 3745 3760 4415 4425 3775 3795 6285 6295 4385 4405 6230 6250 002 SEE NOTE 4 0017 0010 002 001 002 002 NOTES 1 INSTALL NEW BUSHING BY COATING O D OF BUSHING WITH LOCTITE 601 AND ROTAT...

Page 235: ...ension spring arm 43 on the drag link bolt 29 on the right side of the gear oleo housing 25 secure and safety A washer is installed on the bolt between the lower drag link and the arm d Connect the gear downlock spring 39 between the downlock 40 and the upper drag link 35 e Connect the two gear tension springs 15 and 17 f Adjust the eccentric bushing used for downlock pin with the gear extended an...

Page 236: ...he gear selector handle to the UP position Retain the emergency extension lever in the UP Override position d Check the adjustment of the gear up stop by placing a carpenters square with the longest end along the bottom of the fuselage and the shortest end running up through the centerline of the wheel axle Measure up along the square from the bottom of the fuselage 4 80 inches to determine if the...

Page 237: ...plane laterally and longitudinally Refer to Leveling Section II f From the center point of the tail skid extend a plumb bob and mark the contact point on the floor g Extend a chalk line from the mark on the floor below the tail skid to a point approximately three feet forward of the nose wheel Allow the line to pass under the wheel at the centerline of the tire Snap the chalk line h Clamp the rudd...

Page 238: ...inimum of 3 8 inch thread engagement Reinstall the rods and tighten the jam nuts n To check the nose gear steering for its 22 5 2 maximum right and left travel mark on each side of the nose wheel an angle line from the centerline and wheel pivot point Turn the wheel to its maximum travel in both directions to check for allowable travel Should travel be exceeded in one direction and not enough in t...

Page 239: ...eanallparts with a suitablecleaningsolvent b Inspectdoors for damage loose or damagedhingesandbrackets c Inspectdoor retraction linkassembliesand armsfor damageand wear d Checkthe door tension springsfor wear and tension Reject springsif tension does not maintainthe doorsin the full open position e Repairsto the doors may be replacementof hingesand painting f Repairsto the retraction mechanismis l...

Page 240: ...e has diminished remove the filler plug and with a thin hose siphon as much hydraulic fluid from the strut as possible d Disconnect brake line at the joint located in the wheel well e To remove piston tube assembly 25 from oleo housing 11 remove the upper and lower torque link connecting bolt assembly 3 and separate links Note number and thickness of spacer washer s between the two links 15 and 16...

Page 241: ...2 ORIFICE TUBE 13 PLATE ORIFICE 14 SNAP RING 15 LINK ASSEMBLY UPPER 16 UNK ASSEMBLY LOWER 17 RETAINER PIN BEARING 18 BEARING UPPER 19 O RING OUTER 20 BEARING LOWER 21 O RING INNER 22 WIPER STRIP 23 WASHER 24 SNAP RING 25 PISTON TUBE 26 PLUG 27 O RING 28 FORK ASSEMBLY 29 BOLT ASSEMBLY 30 BRACKET SQUAT SWITCH 31 PLATE SPRING ATTACHMENT 32 PISTON RING Figure 7 7 Main Gear Oleo Strut Assembly Issued 1...

Page 242: ...LANCE II SERVICE MANUAL Figure 7 7 Main Gear Oleo Strut Assembly cont LANDING GEAR AND BRAKE SYSTEM 1K2 Issued 1 3 78 ...

Page 243: ...ON SHOULD BEGIVEN WHENREMOVING HARDWARE TOINSPECT ANDINSURE THESAMEDIAMETER HARDWARE IS USEDUPONREASSEMBLY STANDARD AN4 ORAN5 BOLTSAREREPLACED BYALTERNATE OVERSIZED BOLTSNAS3004ORNAS3005RESPECTIVELY WHENOVERSIZED HARDWARE IS REQUIRED 2 WHENNEW BUSHINGS P N 14843 16 AREINSTALLED LINEREAMI D TO 376 375 BUSHINGS TOBEPRESS FITANDIFLOOSE ONINSTALLATION INSTALL WITHLOCTITE 601 7 15 81 LANDING GEAR AND B...

Page 244: ... AND COTTERPIN 32 PIN DOWNLOCK 33 LINK LOWERSIDE BRACE 34 BRACKET SPRING NOTE 35 SWITCH SAFETY 36 ACTUATOR SAFETY SWITCH 37 BOLT WASHERS NUT AND COTTERPIN WHEN REPLACING BEARINGS 38 ROD GEAR DOOR 14843 16 IN THE UPPER SIDE 39 BOLT WASHERS NUT AND COTTER PIN 40 FORK GEAR BRACE LINK IT WILL BE 41 CLAMP NECESSARY TO ONE REAMTHE 42 HOSE BRAKE I D TO 375 376 THE 43 BRAKEHOUSING BUSHINGS MUST BE A PRESS...

Page 245: ...and secure with snap ring 14 e To install tube 12 in oleo housing 11 insert the tube up through the housing With the end of the tube exposed through the top of the housing install the O ring 9 retainer 8 washer 7 and locknut 6 Tighten locknut only finger tight at this time f Assemble components of piston tube 25 on the tube by placing in order snap ring 24 washer 23 lower bearing 20 with outer and...

Page 246: ...25 LANCE II SERVICE MANUAL 3056 1 2 4 13 14 21 Figure 7 8a Main Gear Service Tolerances K6 LANDING GEAR AND BRAKE SYSTEM 1K6 Added 7 15 81 ...

Page 247: ...220 4365 4385 4355 4395 004 7 65003 41 Bushing Side Brace Support Stud 8 67025 2 Link Upper Side Brace 9 14843 16 Side Brace Link Bushing 375 373 4945 4935 376 375 376 372 004 SEE NOTE I 4925 374 SEE NOTES I AND 4 10 AN26 25 Link Stud 400 761 Attaching Bolt 11 67025 2 Upper Side Brace Link OD 373 371 4945 4935 373 369 004 4925 12 14843 16 Side Brace Link Bushing 13 67797 04 Link Lower Side 67797 0...

Page 248: ...ent 21 6702607 Trunnion 313 315 SEE NOTES 1 2 AND 4 Bearing 314 22 67037 06 Strut Assembly 4385 4395 0025 4370 4370 23 67026 07 Strut Bearing 313 313 002 SEE NOTES I AND 4 314 315 24 67012 00 Torque Link 313 314 002 312 312 25 67012 00 Torque Link 3760 3770 0025 3745 3745 26 31796 00 Torque Link Bushing 252 253 002 SEE NOTES I AND 4 251 251 NOTES 1 Line ream to this dimension after installation of...

Page 249: ...lt 47 and bushing and spring swivel 20 3 Disconnect lower side brace link 33 from gear housing 13 by removing attachment nut washer and bolt 7 Note bushings on each side of end bearing 4 Disconnect upper side brace link 28 from side brace support fitting stud 26 by removing cotter pin nut washer and attachment bolt 25 5 The side brace support fitting may be removed by removing the cap bolts securi...

Page 250: ...nimum tension of thespring is 48 poundspull at 7 9 inches Measurementis takenfrom theinner side of each hook d Check the general condition of each limit switch and its actuator and wiring for fraying poor connections or conditions that may lead to failures e Check side brace link through center travel by attaching the upper and lower links setting them on a surface table and ascertaining that when...

Page 251: ...he access opening and insert the tube into the support fitting 1 through the hole in the web 4 Position the gear housing up in the wheel well and install the forward support fitting 16 with bolts and washers One each AN960 416 and AN960 416L washer per bolt 5 Push the retainer tube into the arm of the housing and secure with bolt 48 6 Check that the gear rotates freely in its support fittings and ...

Page 252: ...ting with the flat side of the bearing and tighten the jam nut f Adjust the turnbuckle of the downlock mechanism by first ascertaining that the gear is down and locked and then move the retraction fitting outboard until it contacts the stop slot of the side brace link Hold the fitting in this position and turn the turnbuckle barrel until the downlock hooks make contact with the lock pin Safety the...

Page 253: ...btain a six and one half inch dimension between the centerline of the strut piston and the centerline of the center pivot bolt of the gear torque links Devisea support to hold the straightedge in this position b Set a square against the straightedge and check to see if its outstanding legbears on the front and rear side of the brake disc It may be necessary to remove the brake assembly to have cle...

Page 254: ...talled or it had to be reversed during the alignment check it will be necessary to check the gear safety switch squat switch bracket for engagement and locking in place If the large machine surface of the link is inboard the bracket is mounted with the small rivet hole next to link Refer to Sketch A Figure 7 9 This hole should be aligned with centerline of the link and a 096 inch hole drilled 150 ...

Page 255: ...973 RIVET SKETCHA 973 BRACKET SKETCHB 972 LANCE IISERVICEMANUAL BRACKET WASHER A B Figure 7 9 Aligning Main Gear Issued 1 3 78 LANDING GEARAND BRAKE SYSTEM 1K15 ...

Page 256: ...t of hinge repair of fiberglass and painting 7 29 INSTALLATION OF MAIN GEAR DOOR ASSEMBLY a Install the door by positioning the hinge halves of the door and wing and inserting the hinge pin It is recommended a new pin be used Bend the end of the pin to secure in place b Install the door retraction rod by positioning the rod at its attachment points at the door and strut housing At the door attachm...

Page 257: ... DOWN LIMIT SWITCH The gear down limit switch is mounted on the horizontal support tube of the engine mount that runs between the right attachment points of the gear housing and upper drag link a Ascertain that the gear is down and locked b The down limit switch should actuate only after the leading edge of the downlock hook when moving to the locked position has passed the downlock roller by 06 o...

Page 258: ...e the downlock hook assemblyandplace a 030 of an inch feelergaugebetween the horizontal surface of the hook that is next to the switch the surfacethat contacts the downlock pin and the rounded surface of the pin Lowerthe hook and allowit to rest on the feelergauge e Loosen the attaching screwsof the switchand whilepushingup on the centerof the link assembly rotate the switch toward the hook until ...

Page 259: ...ngswitch Switch A is within the control quadrant below the throttle control lever Refer to Figure7 12 Thisswitch willactuate the warninghorn and red light simultaneously when the landing gear is not down andlocked and the throttle is reduced to below 14 inches of manifold pressure 7 39 REMOVAL OF LANDING GEAR UP POWER REDUCED WARNING SWITCH a Loosen the quadrant cover by removing the cover attachi...

Page 260: ...4 KIAS d In some manner mark the throttle lever in relation to its position next to the mounting bracket e With the airplane on the ground andthe throttle positioned to the mark loosenthe screws that secure the switch and rotate it toward the throttle until it is heard to actuate Retighten the switchattachment screws f Advance and retard the throttle to ascertain that the switch actuates at the de...

Page 261: ...n the switch against its mounting bracket and secure c With the throttle control adjusted to obtain a clearance of 010 to 030 adjust the switch to actuate at this point also Ascertain that switch actuates by moving throttle control lever aft and then forward d Reinstall the quadrant cover 7 45 NOSE WHEEL 7 46 REMOVAL AND DISASSEMBLY OF NOSE WHEEL Refer to Figure 7 13 a Jack the airplane enough to ...

Page 262: ...G 17 WASHER 18 BOLT 19 RUBBER BUSHING 12 13 14 IS Figure7 13 NoseWheelAssembly 7 47 INSPECTION OF NOSE WHEEL ASSEMBLY a Visually check all parts for cracks distortion defects and excess wear b Check tie bolts for looseness or failure c Check internal diameter of felt grease seals Replace the felt grease seal if surface is hard or gritty d Check tire for cuts internal bruises and deterioration e Ch...

Page 263: ...er to Jacking Section II b To remove the main wheel remove the cap bolts that join the brake cylinder housing and the lining back plate assemblies Removethe back plate from between brake discand wheel c Removethe dust cover the cotter pin and flat head pin that safetiesthe wheelnut and the wheelnut Slidethe wheelfrom the axle d The wheelhalves 1 and 2 may be separatedby firstdeflatingthe tire With...

Page 264: ... tire Refer to TableII I Section II b Lubricate the bearing cones 11 and install the cones grease seals 14 and seal retainer rings 12 or 15 Secureretainer with snap ring 13 c Slide the wheelon the axle and securewith retainer nut Tighten the nut to allowno side play yet allow the wheel to rotate freely Safety the nut with a flat head pin washer and cotter pin Reinstallthe dust cover d Positionthe ...

Page 265: ...4 12 13 Figure7 14 MainWheelAssembly 7 53 REPAIR OF NOSE AND MAIN WHEEL ASSEMBLIES Repairs are limited to blending out small nicks scratches gouges and areas of slight corrosion plusthe replacementof parts whichare crackedor badly corroded NOTE Remove rust and blend out small nicks using fine 400 grit sandpaper Wheelsmay also be repaintedif the parts havebeen repairedand thoroughly cleaned Paint e...

Page 266: ...able arbor press 7 54 BRAKESYSTEM 7 55 WHEELBRAKEASSEMBLY 7 56 BRAKE ADJUSTMENTAND LININGTOLERANCE No adjustment of the brake lining clearanceis necessary as they are self adjusting Inspection of the liningis necessary and it may be inspectedvisuallywhileinstalledon the airplane The liningsare of the riveted type and should be replaced if the thicknessof any onesegmentbecomesworn below 100 of an i...

Page 267: ...nderbody h Installanchor bolt by the followingprocedure 1 Support anchor bolt in ahold ing fixture Refer to Figure7 16 StepA 2 Aligncylinderbody overanchorbolt Refer to Figure7 16 StepB 3 Usea suitablearbor press and apply pressure on the spot face directlyover the anchorbolt hole Referto Figure7 16 StepC 923 PRESS HOLDING FIXTURE Figure7 15 Removalof AnchorBolt Issued 1 3 78 LANDING GEARANDBRAKE ...

Page 268: ...R BODY OLDING TIur1E PRESS HOLDING FIXTURE LANCEII SERVICEMANUAL A122 ANCHOR BOLT FIXTURE H F FiXlURC STEPB CYLINDER BODY STEPC Figure7 16 Installation of Anchor Bolt Issued 1 3 78 LANDING GEAR AND BRAKE SYSTEM 1L4 ...

Page 269: ...0 90A is 345 A heavy duty brake and wheel assembly is also optional The minimum disc thickness of Disc 164 46 used on heavy duty Wheel Assembly 40 120 is 405 A single groove or isolated grooves up to 030 of an inch deep would not necessitate replacement but a grooving of the entire surface would reduce lining life and should be replaced Should it be necessary to remove the wheel disc refer to Para...

Page 270: ... of housing b Slide the lining pressure plate onto the anchor bolts of the housing c Slide the cylinder housing assembly on the torque plate of the gear d Position the lining back plate between the wheel and brake disc Install the bolts and torque to 40 inch pounds to secure the assembly e Connect the brake line to the brake cylinder housing f Bleed the brake system as described in paragraph 7 72 ...

Page 271: ...BRAKE AND UDDER PEDAL 4 RIGHT BRAKE CYLINDER 5 LEFT RBAKE CYLINDER 6 BRAKE HANDLE 7 HANDLE RELEASE BUTTON 8 MASTER CYLINDER ASSEMBLY 9 TOROUETUBE 10 RUDDER PEDAL PADS 11 BOLT ASSEMLY 12 CLEVIS PIN 13 LINE INLET Figure7 18 BrakeSystemInstallation Revised 9 2 78 LANDINGGEARANDBRAKESYSTEM 1L7 ...

Page 272: ...the cylinder Drawthe piston rod assemblyfrom the cylinder c The piston rod assemblymay be disassembledby first removingthe smallsnapring 2 securing the retainer bushing 3 spring 4 piston 6 seal 7 gland 9 and if desired the large return spring 13 d Removethe O rings from the piston andgland 7 63 CLEANING INSPECTIONANDREPAIROF BRAKEMASTERCYLINDER a Cleanthe cylinderparts with a suitablesolventand dr...

Page 273: ...end of the rod c Insert the piston rod assembly in the cylinder 1 and secure packing gland with snap ring ll d Install the cylinder per paragraph 7 65 7 65 INSTALLATION OF BRAKE MASTER CYLINDER Hand Brake Refer to Figure 7 18 a Install the brake handle assembly between its mounting bracket and secure with bolt washers nut and cotter pin Washers should be placed on each side of the handle between t...

Page 274: ...11 SPRING RETURN 4 CLEVIS PIN WASHER COTTER PIN 12 BRACKET 5 CLEVIS ASSEMBLY 13 BRACE ASSEMBLY CLEVIS PIN 14 CYLINDER ASSEMBLY HYDRAULIC 7 ARM IDLER 15 TUBE ASSEMBLY LEFT 8 JAM NUT 17 CLEVIS PIN COTTER PIN 17 HOSE ASSEMBLY FLEXIBLE 18 TUBEASSEMBLY RIGHT 19 PEDAL PADS Figure 7 20 Toe Brake Installation Issued 1 3 78 LANDING GEAR AND BRAKE SYSTEM 1L10 ...

Page 275: ...R 14 ROLL PIN 5 SEAL WASHER 10 RETAINING RING 15 ROLL PIN LANCEII SERVICEMANUAL 1 HOUSING 5 O RING 9 O RING 13 WASHER 2 RETAINING RING 6 PISTON 10 O RING 14 ROLL PIN 3 SLEEVE 7 SEAL 11 SPRING 4 SPRING 8 FITTING 12 PISTON ROD Figure 7 21 Brake Cylinder 1700 Toe Brake Figure 7 22 Brake Cylinder 10 27 Toe Brake Issued 1 3 78 LANDINGGEARANDBRAKESYSTEM 1L11 ...

Page 276: ... rod assemblyby removing the retainingring 10 from the annular slot in the cylinderhousing 1 Drawthe piston rod assemblyfrom the cylinder 3 The piston rod assemblymay be disassembledby fist removingthe roll pin 15 spring 2 and then the piston assembly 3 seal 5 and packinggland 7 and if desired the large return spring 11 4 Removethe O ringsfrom the piston and packinggland c Clevelandcylindernumber ...

Page 277: ...ton rod assembly install on the rod 12 in order the roll pin 14 washer 13 spring 11 washer 9 packing gland 7 with O rings seal 5 piston assembly 3 with O ring spring 2 and roll pin 15 3 Insert the piston rod assembly in the cylinder 1 and secure with the retaining ring 10 4 Install the cylinder per Paragraph 7 71 c Cleveland cylinder number 10 30 Refer to Figure 7 23 1 Install new O rings on the i...

Page 278: ...5 O RING 9 O RING 13 SPRING 2 RETAINING RING 6 PISTON 10 O RING 14 WASHER 3 SLEEVE 7 O RING 11 WASHER WIPER 15 ROLL PIN 4 SPRING 8 GLAND 12 ROD Figure 7 23 Brake Cylinder 10 30 Toe Brake Revised 6 15 79 LANDING GEAR AND BRAKE SYSTEM 1L14 ...

Page 279: ...hose on the vent tube of the brake reservoir and place a second small clear plastic hose on the bleeder fitting on one main landing gear Place the open ends of these tubes in a suitable container to collect the fluid overflow Open the bleeder fitting one or two turns b On the other main gear slide the hose of the pressure unit over the bleeder fitting then open the fitting one or two turns and pre...

Page 280: ...he handle be able to be pulled towards the panel and feel spongy aleak is present at somepoint in the system This leak may appear at any one of the connections throughout the system or internally in the master brake cylinder or wheel brake assemblies 7 76 BLEEDINGOF THEBRAKESAFTERA UNITHASBEENCHANGED a Actuate the hand brake handle until some pressure buildsup in the system At this time crack the ...

Page 281: ...for open circuit breaker Red gear unsafe light on though gear has re tracted One or more up limit switches failed Isolate and replace switch Nose gear up limit switch out of ad justment Main gear not re tracting far enough to actuate switch Check gear up adjust ment and readjust up limit switch Check gear up adjust ment Red gear unsafe light on though gear is down and locked One or more down limit...

Page 282: ... light operates on and off after gear has re tracted Light circuit wire loose Check wiring Hydraulic system losing pressure Gear up switch out of adjustment Refer to Hydraulic System Section VI Check gear up adjust ment and then switch adjustment Red gear unsafe light out and one green gear down light out though gear is down and locked NOTE Ascertain navi gation lights are off daytime Lamp burned ...

Page 283: ...ear selector circuit breaker open Reset circuit breaker and determine cause for open circuit breaker Check wiring Reset circuit breaker and determine cause for open circuit breaker Micro switch A at throttle out of adjustment Micro switch A failed Warning horn and light circuit wire broken Diode in circuit between throttle switch A and light horn open Adjust micro switch A Replace switch Check wir...

Page 284: ...re broken when selector switch is moved to up position with gear extended and throttle not full forward Above condition on Defective safety squat Replace switch ground switch Red gear unsafe light Throttle micro switch Adjust switch and horn fail to shut off B out of adjust at full throttle ment Gear selector at up position and Throttle micro switch Replace switch gear extended B failed Hydraulic ...

Page 285: ...dim when position light switch is turned on though gear is down and locked Green gear down lights blink momentarily before the down lock is engaged on roller Failed instrument panel light control switch Lights grounding through dimming resistor instead of instrument panel light control Gear down limit switch failed Green light ground dimming resistor open Micro switch out of adjustment Replace swi...

Page 286: ... bolts and or bushings Check balance and re place tire if nec essary Replace and or adjust wheel bearings Replace bolts and or bushings Excessive or uneven wear on nose tire Incorrect operating pressure Inflate tire to correct pressure Wear resulting from shimmy Refer to proceedings for correction Nose gear fails to steer properly Oleo cylinder binding in strut housing Lubricate strut housing refe...

Page 287: ...llcrank Replace bearing and or bearing and or bolt bolt worn Shimmy dampener Replace galling or binding Nose gear fails to Steering arm roller Replace defective straighten when sheared at top of roller landing gear extends strut Incorrect rigging of Check nose gear steer nose gear steering ing adjustment Nose gear fails to Centering guide roller Replace roller straighten when sheared landing gear ...

Page 288: ...g pressure Inflate tire to correct pressure Wheel out of alignment toe in or out Lower side brace link out of adjustment allowing gear to slant in or out Check wheel alignment Check gear adjustment Strut bottoms on normal landing or taxiing on rough ground Landing gear doors fail to completely close Insufficient air and or fluid in strut Defective internal parts in strut Landing gear not re tracti...

Page 289: ...LANCE II SERVICE MANUAL CARD 2 OF2 PA 32RT 300 AND PA 32RT 300T PIPER AIRCRAFT CORPORATION PART NUMBER 761641 2A1 ...

Page 290: ... text and illustrations Changes in capitalization spelling punctuation indexing the physical location of the material or complete page additions are not identified by revision lines Revisions to Service Manual 761 641 issued January 3 1978 are as follows Revisions Date ORG780103 PR780902 PR790615 PR801003 PR810715 PR831101 PR850815 IR860429 IR860730 IR860920 January 3 1978 September 2 1978 June 15...

Page 291: ...ONTROLS HYDRAULIC SYSTEM LANDING GEAR AND BRAKE SYSTEM 1A12 1A15 1D5 1D22 1F11 1H13 1J3 AEROFICHE CARD NO 2 VIII VIIIA IX X XI XII XIII XIV POWER PLANT PA 32RT 300 POWER PLANT PA 32RT 300T FUEL SYSTEM INSTRUMENTS ELECTRICAL SYSTEM ELECTRONICS HEATING AND VENTILATING ACCESSORIES AND UTILITIES 2A8 2C8 2D12 2E1 2F1 1 2121 2J8 2J16 2A3 ...

Page 292: ...o and Breakers 2B8 CamEnd Viewof Magneto 2B10 RemovingImpulse Coupling 2B11 CheckingFlyweight to Stop Pin Clearance 2B11 Stop Pin Installation Dimension 2B12 CheckingFlyweightAxial Wearwith DrillShank 2B13 CheckingFlyweight RadialWearwith Gauge 2B13 Pointsof CouplingBody Wear 2B14 Acceptableand Deformed CouplingSprings 2B14 CheckingImpulseCouplingfor Magnetization 2B15 Orientation of Springsin Cou...

Page 293: ...20 11 5 Testing Rectifiers Negative 2F21 11 6 C 3929 Fixtures and Adapters 2F22 11 7 Removing Rectifiers 2F22 11 8 Installing Rectifiers 2F23 11 9 Soldering Rectifier Lead 2F24 11 10 Testing Stator Coils 2G1 11 11 Removing End Bearing 2G3 11 12 Installing End Bearing 2G3 11 13 Removing Drive Pulley 2G4 11 14 Removing Drive End Bearing 2G4 11 15 Removing Slip Ring 2G5 11 16 Installing Slip Ring 2G5...

Page 294: ...5 12 2 ELT Using Fixed Aircraft Antenna NARCO 2J5 NOTE Electrical Schematics Figures 11 44 to 11 63 see Table XI I 12 3 ELT Schematics 2J6 13 1 Cabin Heater Defroster and Fresh Air System PA 32RT 300 2J 10 13 2 Cabin Heater Defroster and Fresh Air System PA 32RT 300T 2J II 14 1 Air Conditioning System Installation Typical 2J19 14 2 Service Valves 2J24 14 3 Test Gauge and Manifold Set 2KI 14 4 Mani...

Page 295: ... of ClimbIndicator 2E16 Altimeter 2E18 AirspeedTubes and Indicator 2E20 MagneticCompass 2E22 ManifoldPressureIndicator 2E23 Tachometer 2E24 EngineOilPressureGauge 2FI Fuel PressureGauge PA 32RT 300 2F2 Turn and BankIndicator 2F3 Fuel Quantity Indicators 2F4 OilTemperature Indicators 2F5 Exhaust GasTemperature Gauge Alcor 2F8 CylinderHeadTemperature Gauge 2F9 Fuel Flow Gauge 2F10 Index ElectricalSy...

Page 296: ...l Air Bleed Nozzle 8 23 Removal of Fuel Air Bleed Nozzle 8 24 Cleaning and Inspection of Fuel Air Bleed Nozzle 8 25 Installation of Fuel Air Bleed Nozzle 8 26 Ignition System Maintenance 8 27 Magneto D 2000 Series 8 28 Description and Principle of Operation 8 29 Inspection of Magneto 8 30 Magneto Installation and Timing Procedure Timing Magneto to Engine 8 31 Magneto Timing Procedure Internal Timi...

Page 297: ...n the power plant a To insure proper reinstallation and or assembly tag and mark all parts clips and brackets as to their location prior to their removal and or disassembly b During removal of various tubes or engine parts inspect them for indications of scoring burning or other undesirable conditions To facilitate reinstallation observe the location of each part during removal Tag any unserviceab...

Page 298: ...isulfide in either paste or powdered form mixed with engine oil or grease may be used CAUTION Ensure that Anti seize compounds are applied in thin even coats and that excess compound is completely removed to avoid contamination of adjacent parts i Temporary marking methods are those markings which will ensure identification during ordinary handling storage and final assembly of parts 8 2 TROUBLESH...

Page 299: ...CK PLATE 3 BOLT BULKHEAD ATTACHMENT 13 STARTER RING 4 WASHER 14 O RING SEAL 5 PLATE 15 NUT FLYWHEEL 6 BULKHEAD FORWARD SPINNER 16 STUD 7 CUFF SPINNER 17 WASHER 8 LOW PITCH STOP 18 NUT 9 JAM NUT 19 SAFETY WIRE 10 PROPELLER HUB 20 GREASE FITTING Figure 8 1 Propeller Installation Issued 1 3 78 POWER PLANT 2A11 ...

Page 300: ...ube Thiscan be done by rocking the blades back and forth through the slight freedom allowed by the pitch change mechanism If they appear tight and are properlylubricated the pitch change mechanismshould be removed so that each blade can be checkedindividually If bladesare tight the propeller should be disassembled g Inspect blades for damageor cracks Nicksin leadingedgesof blades should be filed o...

Page 301: ...stall rear spinner bulkhead i Slide propeller carefully over pilot taking care that O ring is not damaged j Install the six hexagon head propeller hub mounting bolts and torque per Table VIII I k Check propeller blade track as given in Paragraph 8 7 1 Safety the propeller mounting bolts with MS20995 C41 safety wire m Grease blade hub through zerk fittings Remove one of the two fittings for each pr...

Page 302: ...matter 8 10 INSTALLATIONOF PROPELLERGOVERNOR a Clean the mounting pad thoroughly makingvery certain that there are no foreign particlesin the recessaround the drive shaft b Place the governormounting gasketin position with the raisedportion of the screen facingaway from the engine c Alignthe splines on the governorshaft with the engine driveand slidethe governor into position d With the governor i...

Page 303: ...gscrew 2 With the throttle full forward observeengine RPM whichshould be 2700 RPMwith highRPMproperlyadjusted d Should engine RPMnot be as required the high RPMsetting should be adjusted as follows 1 Shut down the engineand removethe upper enginecowl 2 Adjust the governorby means of the fine adjustment screw 2 for 2700 RPM To do this loosen the high RPMfine adjustment screw locknut and turn the sc...

Page 304: ...onnect at the right rear sideof the bottom cowl 4 Remove the induction air filter accessdoor the filter and four bolts whichhold the air box to the cowl 5 Remove the screwssecuring the bottom cowl at its aft end andfuselagefirewall flange 6 Remove screws which support bottom cowl to the nose gear doors support brackets and fuselagefirewallflange 7 Push nose geardoors inwardagainstspring pressurean...

Page 305: ... one half ton minimum hoist to the engine hoisting straps and swing the engine into alignment with its attaching points b Insert an engine mount bolt with washer against head in the engine mount and slide half of the mount assembly on the bolt Refer to Figure 8 4 for proper shock mount assembly Repeat this procedure for the other three attachment points NOTE Shock mount Part No J 3049 38 sandwich ...

Page 306: ...EFT 7 VENT TUBE 8 STARTER 9 GOVERNOR 10 FUEL NOZZLE 11 ENGINE MOUNT 12 VALVE OIL DRAIN 13 AIR FILTER 14 COVER FILTER 15 FILTER CAP 16 BOLT NUT WASHER 17 SANDWICH J 3049 38 1 SPACER J 12333 2 19 ENGINE MOUNT 20 PLUG 21 SANDWICH J 3049 35 22 ENGINE 23 MOUNTING KIT J 3804 31 LANCE IISERVICEMANUAL 133 Section A A 21 B34 TORQUE TO 140 160 IN LBS A 21 11 1t Figure 8 4 EngineInstallation POWERPLANT Issue...

Page 307: ...he electric fuel pump and check the fuel lines and fittings for leaks ac Install the upper cowling NOTE To avoid a possible high speed bearing failure resulting from lack of lubrication during the initial start refer to the latest revision of Lycoming Service Instructions No 1241 for information on pre oiling the engine prior to its initial start ad Perform an engine operational check 8 15 INSTALL...

Page 308: ...l whichis set to actuate in the full open position Withthe throttle control adjusted to obtain a clearanceof 010 to 030 adjust the micro switchto actuate at this point also 4 Reconnectthe clevisend to the control arm and safety b The mixture may be adjusted as follows 1 At the carburetor disconnect the clevisend of the mixture control cable from the control arm Loosenthejam nut that securesthe cle...

Page 309: ...ate air source is taken off the exhaust stack assembly The following should be checked during inspection a Check that the air door seals are tight and hinge is secure b Actuate the door to determine that it is not sticking or binding and the control cable has free travel c Check that when the air door is fully opened and the cockpit control is in the open position the cable has 6 to 8 pounds tensi...

Page 310: ... FUEL FLOW INDICATOR FUEL INLET FUEL STRAINER FLOW DIVIDER FLOWDIVIDER FLOW DIVIDER VALVE SECTION AA IDLE VALVELEVER CONNECTED TO THROTTLEVALVE THROTTLE LEVER MANUALMIXTURE LINKAGE CONTROLANDIDLE CUT OFF LEVER THROTTE LEVER ...

Page 311: ...engine and warm up in the usual manner until oil and cylinder head temperaturesare normal The electric fuel pump must be ON for b c d and e below b Checkmagnetos If the mag drop is normal proceedwith idle adjustment c Set throttle stop screw so that the engine idlesat 550 600 RPM If the RPMchanges appreciably after making the mixture adjustment during the succeedingsteps readjust the idle speed to...

Page 312: ...idle linkage any looseness in this linkage would cause erratic idling In all cases allowance should be made for the effect of weather conditions and field altitude upon idling adjustment 8 22 FUEL AIRBLEEDNOZZLE 8 23 REMOVAL OF FUEL AIR BLEED NOZZLE The nozzles must be carefully removed as they or the cylindersmay be damaged a Remove the lower engine cowl b Disconnect the fuel line from the nozzle...

Page 313: ... coupling automatically retards the magneto until the engineis alsoat its retard firing position The spring action of the impulse coupling is then released to spin the rotating magnet and produce the spark required to fire the engine After the enginestarts the impulse coupling flyweightsdo not engagedue to centrifugalaction The couplingthen acts as a straightdriveand the magnetofires at the normal...

Page 314: ...for inspection CAUTION Do not open point contacts more than 0625 of an inch for examination of contact surfaces Excessivespreadingof the breaker points will overstressand damagethe contact spring Desired contact surfaces have a dull gray sand blasted almost rough or frosted appearance over the area where electrical contact is made Thismeansthat points are worn in and mated to each other thereby pr...

Page 315: ...L 223 MINOR IRREGULARITIES SMOOTHROLLINGHILLS ANDDALES WITHOUTANY DEEP PITS OR HIGH PEAKS THIS IS A NORMALCON DITION OF POINT WEAR WELL DEFINEDMOUND EXTENDINGNOTICEABLY ABOVESURROUNDING SURFACE REJECT POINTS Figure 8 10 Contact Points Figure 8 11 Engine Timing Marks Issued 1 3 78 POWER PLANT 2B3 ...

Page 316: ...rhaul 8 30 MAGNETOINSTALLATIONAND TIMING PROCEDURE TIMINGMAGNETO TO ENGINE WARNING Do not attach harnessspark plug ends to the spark plugsuntil all magneto to engine timing procedures and magneto to switch connections areentirely completed NOTE The use of a timinglight unit Part No 11 9110 or 11 9110 1 will simplify the timingprocedure This unit is availablefrom the BendixCorporation at Sidney New...

Page 317: ...or gear is marked with red paint Refer to Figure 8 14 NOTE A magneto correctly timed internally will have thetiming teethof the large distributor gears approximately centered in the timing windows at each end of the magneto the L E gap mark which is closest to the K or keyway up position indicator on the rotor in alignment with thepointer and both main breaker points open ing all at the same time ...

Page 318: ...re the K is in the windowon the data plate sideand the red distributor tooth appearsin each distributor inspection window h Install the magnetoto engine gasketon the magneto flange i Feel the magnet into its No 1 neutral position as described in Step g With the enginein its recommended No 1 cylinder firing position of 20 BTDC place the magneto in position on the enginemounting pad and securewith t...

Page 319: ...Recheck timing once more and if satisfactory disconnect the timing light and remove the adapter leads o Reinstall the plugs in the timing inspection holes and torque to 12 15 inch pounds Looselyinstallthe harnesswith clampsand or brackets a Removemagnetocover b Loosen flange clamps and remove magneto from engine c Checkcondition of points replaceif necessary d Rotate the magneto driveshaft until a...

Page 320: ...contacts Tighten nut to secure holding tool to shaft Check to insure proper location of keywayand tighten adjusting screwof holdingtool to lock rotor in position i Loosenrotorholdingtool andturn magnetin directionof rotationuntil adjacent L E gap mark is alignedwithpointer and lock in position Bothred paintedteeth shouldbe approximatelycenteredin timingwindows NOTE The use of the timing light unit...

Page 321: ... a few degrees then turn rotating magnet in normal direction of rotation Both timing lights should go out within one degree or half the width of L mark on rotor If breakers are not properly synchronized reset right breaker q Check right main breaker contact for 0 016 004 inch point opening and torque right breaker contact securing screws to 20 25 inch pounds If point opening is out of limits repea...

Page 322: ...NTACT ASSEMBLY RIGHT MAGNETO HIGH TENSION OUTLETS 1 RIGHT MAIN CONTACT ASSEMBLY 2 LEFT MAIN CONTACT ASSEMBLY 3 SCREW 4 LOCK WASHER 5 FLAT WASHER 6 MAIN CAM 281 VIEW A A 3 4 5 TORQUESCREW TO 21 25 INCH POUNDS Figure8 16 Cam EndView of Magneto Revised 10 3 80 POWER PLANT 2B10 ...

Page 323: ...emove the body and spring together Uncoil spring from body and pry spring eye from body recess to disengage spring c Thread protective cap of 11 702 1 puller securely on end of shaft Engage puller over protective cap and cam assembly with widejaws of puller hooked under cam assembly as shown in Figure 8 17 d Tighten puller handle to remove coupling from shaft If coupling does not release with maxi...

Page 324: ...ooked wire and make certain that a feeler gauge of 0 015 of an inch minimum thickness will pass between the stop pin and the highest point of the flyweight NOTE A true and accurate check of the clearance between the flyweights and stop pins can only be obtained by pulling the flyweight outward as described Do not attempt the check by pushing in on the flyweight at point A of Figure 8 18 b Inspect ...

Page 325: ... at the same time squeezing the flyweights against the gauge If the inner end of either flyweight heel touches the gauge replace the cam assembly If parts are near limits check clearance between flyweight and gauge with a 003 inch feeler If flyweight heel is tight on feeler replace the cam assembly CAUTION Never attempt to repair any part of a rejected cam and flyweight assembly f Inspect ears of ...

Page 326: ...edCouplingSprings i Inspect spring for cracks particularly at the ends and around springeyes Inspect coils of spring for excessivewear If groovesor ridgesare worn in coilsor cracksare found replacespring j Inspect the housing for cracks stripped threads or other damage Replace if necessary Issued 1 3 78 POWERPLANT 2B14 ...

Page 327: ...ection from the outside toward the center when viewed from the spring recess side of the body Refer to Figure 8 25 Insert eye of outer end of spring into hole drilled in inner rim of body e Using heavy gloves to protect the hands wind spring into body manually lifting spring coils one at a time over projections on body Extreme care should be used to avoid scratching or nicking the spring After win...

Page 328: ... lessthan 9 or more than 15 inch pounds 8 35 HARNESSASSEMBLY 8 36 INSPECTIONOF HARNESS a Inspect cover for cracks or other damage Inspect lead assembliesfor abrasions mutilated braid or other physical damage b Inspect grommets for tears and eyelets for spark erosion c Disconnect harness coupling nuts from the spark plugs and extract the lead terminations Inspect contact springsand compressionsprin...

Page 329: ...hesand GAP firessimultaneouslyaslongas the PRESS TO TEST switchis held depressed Wheneverindicator lamp flashesand GAPfailsto fire lead under test is defectiveand must bereplaced 8 37 MAINTENANCEOF HARNESS Minor repairs of the harness assembly such as replacement of contact springs sleeves compression springs eyelets or grommets can be accomplished with the harness mounted on the engine Lead assem...

Page 330: ...ssembly d Replacedefectivecomponent and reassembleas follows 1 Fabricate a tool as shown in Figure8 31 for installingthe insulatingSleevesover cableterminals 2 Slideelbowassemblyoverlead and attach nut fingertight to ferrule 3 Push the fabricated tool throughinsulatingsleeveand spring retainer assemblyas shownin Figure8 32 Screw the cableterminal into the tool 4 Workinsulatingsleeve and springreta...

Page 331: ...D TO POLISH O D 12 000 IN MAT NO 30 DRILL ROD OR EQUIVALENT Figure 8 31 Assembly Tool C346 SPRING RETAINER ASSY Figure 8 32 Using Assembly Tool 1 2 COATINGSCRAPED FROMBRAID BRAID TO EDGE OF KNURLING BLUECOATING Figure 8 33 Ferrule Positioned Under Braid Issued 1 3 78 POWER PLANT 2B19 ...

Page 332: ...2 750 2 375 MATER IAL BRASS Figure 8 34 Ferrule Seating Tool LANCE IISERVICEMANUAL C347 Issued 1 3 78 POWERPLANT 2B20 ...

Page 333: ... and Contact Spring at Start of Installation COAT DISTRIBUTOR BLOCK Figure 8 36 Position of 11 8627 Kit and Contact Spring after Installation LUBRICATE LANCE IISERVICEMANUAL 11 3699 HANDLE Figure 8 37 Lubricating Sleeve Issued 1 3 78 Figure 8 38 Lubricating Ferrule Shoulder POWERPLANT 2B21 ...

Page 334: ...eated 9 Thread the pre stripped end of conductor through grommet Placea neweyelet on conductor and crimp per instructions given in second paragraph of Maintenance of Harness 8 37 f When lead being replaced is of the elbow type salvage the used elbow and compression springs for installation on replacement lead Install these and new sleeveand contact spring refer to Figures 8 35 and 8 36 furnished w...

Page 335: ...S Spark Plug Torque CouplingThreads lb in 5 8 24 90 95 3 4 20 110 120 8 38 SPARKPLUGS 8 39 REMOVALOF SPARKPLUGS a Loosenthe coupling nut on the harnesslead and removethe terminal insulator from the spark plugbarrel well NOTE When withdrawing the ignition cable lead connection from the plug care must be taken to pull the lead straight out and in line with the centerlineof the plugbarrel otherwise a...

Page 336: ...moved NOTE Spark plugs should not be used if they have been dropped d Removal of seized spark plugs in the cylinder may be accomplished by application of liquid carbon dioxide by a conical metal funnel adapter with a hole in the apex just large enough to accommodate the funnel of a CO2 bottle Refer to Figure 8 39 When a seized spark plug cannot be removed by normal means the funnel adapter is plac...

Page 337: ... and foreigndeposits c Test the sparkplug both electricallyand for resistance d Setthe electrodegap at 0 015 to 0 018 inches 8 41 INSTALLATIONOF SPARKPLUGS Before installingspark plugs ascertain that the threads within the cylinder are cleanand not damaged a Apply anti seize compound sparingly on the threads and install gasket and spark plugs Torque360 to 420 inch pounds CAUTION Makecertain the de...

Page 338: ...d unload engine by engaging starter Mixture in idle cut off Incorrect throttle Open throttle to one setting eighth of its range Defective spark plugs Clean and adjust or replace spark plugs Defective ignition wire Check with electric tester and replace defective wires Defective battery Replace with charged battery Improper operation of Clean points Check magneto breaker internal timing of magnetos...

Page 339: ...nduction sys tem Replace any parts that are defective Incorrect idle adjust ment Uneven cylinder com pression Faulty ingition system Insufficient fuel pres sure Adjust throttle stop to obtain correct idle Check condition of pis ton rings and valve seats Check entire ignition system Adjust fuel pressure Low power and uneven running Mixture too rich indi cated by sluggish en gine operation red ex ha...

Page 340: ...e Defective spark plug terminal connectors Tighten all connections Replace defective parts Clean and gap or re place spark plugs Fill tank with fuel of recommended grade Clean points Check internal timing of mag netos Check wire with electric tester Replace de fective wire Replace connectors on spark plug wire Failure of engine to develop full power Leak in the induction system Tighten all connect...

Page 341: ...Check ignition timing Rough engine Cracked engine mount Replace or repair mount Defective mounting bushings Uneven compression Install new mounting bushings Check compression Low oil pressure Insufficient oil Fill sump with recom mended oil Air lock or dirt in re lief valve Leak in suction line or pressure line Dirty oil strainers Defective pressure gauge Remove and clean oil pressure relief valve...

Page 342: ...formation or obstruction Insufficient oil supply Low grade of oil Clogged oil lines or strainers Excessive blow by Failing or failed bearing Defective temperature gauge Fill oil sump to proper level with specified oil Replace with oil con forming to specifica tions Remove and clean oil strainers Usually caused by worn or stuck rings Examine sump for metal particles If found overhaul of en gine is ...

Page 343: ...piston rings Incorrect installation of piston rings Failure of rings to seat new nitrided cylin ders Check sump for metal particles Install new rings Install new rings Use mineral base oil Climb to cruise altit ude at full power and operate at 75 cruise power setting with high oil temperature until oil consumption stabil izes POWER PLANT Issued 1 3 78 2C7 ...

Page 344: ...riming 2C24 8A 20 Removal of Turbocharger 2C24 8A 21 Installation of Turbocharger 2C24 8A 22 Exhaust Wastegate Assembly 2DI 8A 23 Removal of Exhaust Wastegate Assembly 2DI 8A 24 Installation of Exhaust Wastegate Assembly 2DI 8A 25 Turbocharger Decoking 2DI 8A 26 Throttle Control Stop Limits 2DI 8A 27 Installation of Oil Cooler 2D2 8A 28 Induction Air System 2D2 8A 29 Removal of Air Filter 2D2 8A 3...

Page 345: ...arm This mechanically programmed interconnect eliminates a separate wastegate control lever The engine is provided with a constant speed propeller controlled by a governor mounted on the engine supplying oil through the propeller shaft at various pressures 8A la STANDARD PRACTICES ENGINE The following suggestions should be applied wherever they are needed when working on the power plant a To insur...

Page 346: ...ITE 10 WASHER TO EACH OTHER 11 NUT 2 APPLY GENEROUS BRUSHCOATING 12 SAFETY WIRE OF EC776 TO ENTIRE CIRCUMFERENCE 13 SCREW SPINNER ATTACHMENT 14 BOLT BULKHEAD ATTACHMENT OF PROPELLER HUB FOR DISTANCE 14 NUT BULKHEAD ATTACHMENT SHOWN WITHIN 10 MINUTES OF 16 SAFETY WIRE APPLCATION OF COATING INSTALL 17 CLAMP NOTE 1 CHAFING RING 17 CLAMP SEE NOTE 1 CHAFING RING 18 PROPELLER HUB CHAFING RING Figure 8A ...

Page 347: ...brication should be applied to all loose fit spline drives which are external to the engine and have no other means of lubrication For certain assembly procedures molybdenum disulfide in either paste or powdered form mixed with engine oil or grease may be used CAUTION Ensure that Anti seize compounds are applied in thin even coats and that excess compound is completely removed to avoid contaminati...

Page 348: ...ingoverhaul e Check allvisibleparts for wearand safety f Check blades to determine whether they turn freelyon the hub pivot tube Thiscan be done by rocking the blades back and forth through the slight freedom allowed by the pitch change mechanism If they appear tight and are properly lubricated the pitch change mechanismshould be removed so that each blade can be checkedindividually If bladesare t...

Page 349: ...shingson the crankshaft is stamped with an O mark and it must be inserted in the starter ringgearhole likewiseidentified with an 0 mark e Wipecrankshaft and propeller pilot to assure that no chips or foreignmatter enter the propellermechanism f Checkinterior of propellerhub for proper seating of 0 ring Wipeinsideof hub to removeanytraces of dirt Checkto see that O ringis coveredwith grease g Insta...

Page 350: ...ach propeller blade alternate the next time Apply grease through the zerk fitting until fresh grease appears at the fitting hole of the removed fitting Care should be taken to avoid blowingout hub gaskets p Installspinner and spinner cuff Torque all attachment screwsper Table VIIIA I 8A 7 BLADE TRACK Blade track is the ability of one blade tip to follow the other while rotating in almost the same ...

Page 351: ...8A 10 INSTALLATION OF PROPELLERGOVERNOR a Clean the mounting pad thoroughly making very certain that there are no foreign particlesin the recessaround the drive shaft b Placethe governormounting gasketin position with the raisedportion of the screen facingawayfrom the engine c Alignthe splineson the governor shaft with the enginedriveand slidethe governor into position d With the governorin positi...

Page 352: ...ll forward observeengine RPM whichshould be 2700 RPMwithhigh RPMproperly adjusted d Should engine RPMnot be as required the high RPMsetting should be adjusted as follows 1 Shut downthe engineand remove the upper enginecowl 2 Adjust the governor by means of the fine adjustment screw 2 for 2700 RPM To do this loosen the high RPM fine adjustment screw locknut and turn the screw in a clockwisedirectio...

Page 353: ...CTION AGAINST EXHAUST HEAT BOLT WASHERS AND NUT UPPER MOUNTS ONLY J3 439 MOUNTING KIT 2 UPPER MOUNTS J 3804 37 MOUNTING KIT 2 LOWER MOUNTS VIEW A J409 64 SANDWICH PART OF J3804 37 KIT J 3049 5 SANDWICH PART OF J 3804 39 KIT 856 B B VIEW B Figure 8A4 Engine Mount Installation Issued 1 3 78 POWER PLANT TURBO 2C17 ...

Page 354: ...ld be adjusted as follows a Place the control in the up position b Ascertain that the control lock is engaged c Check the cowl flap to visually determine that the flap is flush with the bottom of the engine cowl d If the flap is not flush at the forward edge flap attachment brackets are slotted for adjustment e If the flap is not flush at the trailing edge the cable may be adjusted f Place the con...

Page 355: ...engine g The followingdisconnectionsof environmentalequipment are alsonecessary 1 Heater anddefroster hosesat the muffler 2 Airconditioning compressorlines h The followingengine linesshould alsobe disconnected 1 Manifoldpressureline at the right rear sideof the engine 2 Oilpressure line at the engine 3 Vacuumpump linesat the pump 4 Deckpressureand fuel flow linesat the engine baffle 5 Fuel supply ...

Page 356: ...FF 4 Oil temperature cylinder head temperature and exhaust gas temperature leads g Mechanical connections necessary for engine installation are as follows 1 Governor control cable and secure with clamps 2 The throttle and mixture cables to the injector Check adjustment of the control by referring to Paragraph 8A 32 3 Connect the tachometer drive cable h The following connections of environmental e...

Page 357: ...ine exhaust gas Compressor The portion of a turbocharger that takes in ambient air and compresses it before discharging it to the engine Turbine The exhaust driven end of the turbocharger unit Wastegate The wastegate is a butterfly type valve in the exhaust by pass which throughout its travel from open to closed allows varied amounts of exhaust pressure to by pass the turbine controlling its speed...

Page 358: ...ystemand if no losses were encounted it would thereoretically run continuously It would also be very unstable because if for some reason the turbo speed would change the compressor would pump more air to drive the turbine faster etc A turbocharged engine abovecriticalaltitude wastegateclosed is similar to the example mentioned above except now there is an engine placed between the compressor disch...

Page 359: ...PIPE 2 BLANKET TURBINE 3 WASTE GATE INTERCONNECT CABLE 4 OIL LINE 5 COMPRESSOR 6 AIR INTAKE 7 TURBINE SUPPORT TUBE LANCE SERVICE MANUAL Figure 8A 5 TurbochargerInstallation Added 9 2 78 2C23 POWER PLANT TURBO ...

Page 360: ...e oil supply and return linesfrom the center section of the turbo 2 Disconnectthe air ducts from the compressorinletand outlet and the exhaust systemfromthe turbine inlet and outlet 3 Disconnect the tailpipe support bracket at the turbocharger and remove the tailpipe and wastegate assembly 4 Remove the bolts that attach the turbocharger to the mounting bracket and remove th turbocharger assembly 8...

Page 361: ...DECOKING MouseMilklubricant may be used for decoking the turbine and compressordriveshaft by the followingprocedure a Disconnect the oil inlet and outlet lines from the turbocharger and allowall oil to drain b Capthe oil outlet port on the turbocharger c Pour the MouseMilkinto the oilinlet port of the turbocharger and allowthe unit to soak overnight d Drainall MouseMilkfrom the turbochargerand flu...

Page 362: ... magnetic held air door in the induction tube down stream of the blower for proper operation and retension 8A 29 REMOVALOF AIR FILTER a Remove the filter attachments located on the left right and forward side of the filter by removing the screws on the outside of the air box and then remove the brackets securingthe filter b Remove the filter 8A 30 SERVICINGAIR FILTER Visually inspect the filter to...

Page 363: ...ch position a The throttle may be adjusted as follows 1 At the fuel injector disconnect the rod end of the throttle control coble from the control arm Loosen the jam nut that secures the rod end 2 Adjust the linkage by rotating the rod end on the cable to obtain 0 010 to 0 030 of an inch spring back on the instrument panel stop when in full throttle position 3 Reconnect the rod end to the control ...

Page 364: ...A 34 FUEL INJECTORMAINTENANCE a In general little attention is required between injector overhauls However it is recommended that the followingitems be checkedduringperiodicinspection of the engine torque all nuts to 135 150 inch pounds Seat pal type nuts finger tight against plain nuts and then tighten an additional 1 3 to 1 2 turn 1 Check tightness and lock of all nuts and screwswhich fasten the...

Page 365: ...ER MANUAL LINKAGE CONTROL CUT OFF CONSTANT HEAD IDLE SPRING CONSTANTEFFO SPRING AIR DIAPHRAGM NOZZLE ONE PER CYLINDER FLOWDIVIDER THROTTLEVALVE THROTTLE LEVER IDLE SPEED ADJUSTMENT FUEL CT TUBE FUEL DIAPHRAGM BALL SERVO VALVE AIR Figure8A 6 SchematicDiagramof RSA FuelInjectionSystem POWER PLANT TURBO ...

Page 366: ...anges appreciably after making the mixture adjustment during the succeedingsteps readjust the idle speed to the desiredRPM d When the idling speed has been stabilized move the cockpit mixture control lever with a smooth steady pull toward the Idle Cut Off position and observethe tachometer for any change during the leaning process Caution must be exercisedto return the mixture control to the Full ...

Page 367: ...pringretainer and spring from the nozzlestem d Disconnectthe nozzle shroud from the vent hose and removeit from the nozzle e Carefullyremove the nozzle usingthe correct sizedeep socket 8A 38 CLEANING AND INSPECTION OF FUEL AIR BLEED NOZZLE a Clean the nozzle with acetone or equivalent and blow out all foreign particles Do not use wire or other hard objects to clean orifices Refer to latest revisio...

Page 368: ...al TABLE VIIIA II TROUBLESHOOTING CHART TURBOCHARGER Trouble Cause Remedy Waste gate won t close Broken linkage Repair linkage and ad completely just waste gate to open or close position Improper adjustment Rerig interconnect control Turbine won t come up Worn or coked bear Replace or overhaul to speed ings turbocharger Damage to turbine or Replace or overhaul compressor wheel turbocharger Exhaust...

Page 369: ...en loose connec tions or replacemani fold gasketsas nec essary Disassembleand clean Enginewillnot deliver rated power Cloggedmanifold sys tem Clearall ducting Foreignmateriallodged in compressorimpel ler or turbine Excessivedirt build up in compressor Leak in engineintake or exhaust Rotating assemblybear ing seizure Disassembleand clean Thoroughly cleancom pressorassembly Serviceair cleaner and ch...

Page 370: ...lean and free action than specified sticking Check interconnect system from throttle to waste gate Engine surges or Clogged induction Check induction duct smokes duct for restrictions to air flow Bootstrapping Operate engine within range outlined in operation manual NOTE Smoke would be normal if engine has idled for a prolonged period High deck pressure Waste gate sticking Butterfly shaft binding ...

Page 371: ...er connect control for proper adjustment Note New turbo may smoke for a short period of time Turbine oil bearing checkvalvenot closingat engine shut down Check spring actuated check valveat turbo oil inlet fitting Whiteexhaust Leakingoil sealin turbine coked oil drain passages Clean drain passages It is sometimesnec essary to overhaul or replace turbo Increase engineidle speed to a maximumof 700 R...

Page 372: ... of Fuel System 9 10 Fuel Quantity Sender Unit 9 11 Fuel Quantity Sender GaugeCheck Installed 9 12 Fuel Selector Valveand Filter 9 13 Fuel Selector ValveOperation 9 14 Removalof Fuel SelectorValveand Filter 9 15 CleaningFilter Assembly 9 16 Installation of Fuel Selectorand Filter Valve 9 17 CleaningFuel System 9 18 ElectricFuel Pump 9 19 Removaland Installation of Electric Fuel Pump 2D13 2D13 2D16...

Page 373: ... RIGHT positions which are remotely selected by means of a torque tube operated by a handle located in the pedestal The handle has a spring loaded detent to prevent accidental selection to the OFF position From the selector valve the fuel goes to the electric fuel pump which is also mounted aft of the main spar and then goes forward to the engine driven fuel pump which forces the fuel through the ...

Page 374: ...LANCE IISERVICEMANUAL FLOW DIVIDER GINE FUEL PUMP FUEL INJECTOR PRESSURE GAUGE Figure9 1 Fuel System PA 32RT 300 Issued 1 3 78 FUEL SYSTEM 2D14 ...

Page 375: ...L INJECTOR FLOW DIVIDERS 2 TURBOCHARGER COMPRESSOR ENGNE DRIVEN FUEL PUMP MANIFOLD PRESSURE AND FUEL FLOW GAUGE ELECTRIC FUEL PUMP FUEL SELECTOR VALVE FUEL QUANTITY GAUGES Figure9 2 Fuel System PA 32RT 300T Issued 1 3 78 FUEL SYSTEM 2D15 ...

Page 376: ...iller neck as a result of the metal nozzle of the gas filler hose nicking the sealer This inspection can best be accomplished using a mirror and inspection light through the filler neck If peeling and or chipping has occurred and separated material is found the tank should be sloshed as explained in Step a c After sloshing reinspect as outlined in Step b at intervals of 100 hours NOTE The fuel tan...

Page 377: ...ain access to remove sender wires d The tank is now free to be removed NOTE In the event the interconnecting fuel line and fuel vent line are being removed it will be necessary to first disconnect the ground wire attached to the rib at wing station 88 75 9 8 INSTALLATION OF OUTBOARD FUEL TANK a Position fuel tank in its recess in the wing Connect fuel sender wires Slide tank completely into positi...

Page 378: ...lerance the gaugeshould bereplaced d With the master switch in the ON position and no fuel in the tanks the gauge needle should be centered on the white dot to the left of the 0 radial mark with a maximum deviation of 1 4 needle width If not within this tolerance the gaugeshould be replaced e Place 2 gallonsof fuel in the wing fuel tank that relatesto the gaugeand senderunit beingchecked f With 12...

Page 379: ...EGASKET 8 CORKGASKET 9 FUEL CELL 10 NUT RING 11 SPAR 12 FUELVENT VALVE ASS Y 13 CLAMP 10HL 14 NIPPLE 15 FUEL VENT LINE 16 NUT RING 17 FUEL CELL 18 GASKET 19 FUEL CAP ADAPTERASSY 20 GASKET 21 FUELVENT INTERCONNECT LINE 22 FUEL TANK INTERCONNECTLINE 23 CLAMP 32HL 24 CLAMP 12HL 25 SCREWS 4 NUT PLATE ATTACHMENT Figure 9 2A Fuel Cell Installation LANCE II SERVICE MANUAL B ...

Page 380: ...e It should be ascertainedthat the fuel selectoris positioned in a detent whichcan be easily felt when movingthe handle through its variouspositions 9 14 REMOVALOF FUEL SELECTORVALVEANDFILTER a Drain fuel from tanks Refer to DrainingFuel System Section II b Remove center seats seat belt attachments and floor paneljust aft of the main spar by removingthe floor attachment screws Lift the panel and r...

Page 381: ...h stoppers to prevent dirt from entering 2 Wash metallic filter disc in acetone gasoline carbon tetrachloride trichlorethylene permachor or Bendix cleaner Washnylon filterdisc with soap and water CAUTION Do not use acetone methylethylketone etc to cleannylon filterdiscs 3 Removestubborn depositsfrom filter discwith asoft bristle brush 4 Rinseall traces of soap solution Drainor blow dry and removes...

Page 382: ...reignmatter b Each tank should be flushedby opening the tank drainand addingtwo three gallons of clean fuel Whilethe fuel is draining the aircraft wing should be raised and lowered to allowthe fuel to rinseany contamination still remainingin the tank out the drain c After the valve is installed and the aircraft refueled the fuelinlet line to the injector should be disconnected and with boost pump ...

Page 383: ... in cap Check and replace if necessary Reposition as re quired Check for obstructions in the fuel selector leverage mechanism Replace fuel selector valve Fuel quantity gauge fails to operate Broken wire Gauge inoperative Fuel sender float partially or completely filled with fuel Circuit breaker open Float and arm assembly of fuel sender sticking Bad ground Check and repair Replace gauge Replace se...

Page 384: ...lector indication stuck valve Fuel tanks empty Check fuel tanks and fill Defectivegauge Replacegauge Fuel selectorvalve Reposition fuel se inimproper position lector valvelever Low pressure or Obstruction in inlet Tracelines and pressuresurges sideof pump locate obstruction Air in line to Bleedline pressuregauge Issued 1 3 78 2D24 FUEL SYSTEM ...

Page 385: ...7 Removaland Replacement 10 18 ReplacingPump Fittings 10 19 Instrument Air System 10 20 DirectionalGyro 10 21 General 10 22 Troubleshooting 10 23 Removaland Replacement 10 24 Gyro Horizon 10 25 General 10 26 Troubleshooting 10 27 Removaland Replacement 10 28 Rate of ClimbIndicator 10 29 General 10 30 Troubleshooting 10 31 Removaland Replacement 10 32 SensitiveAltimeter 10 33 General 10 34 Troubles...

Page 386: ... 59 Turn and Bank Indicator 10 60 General 10 61 Troubleshooting 10 62 Electrical Instruments 10 63 Removal and Replacement 10 64 Fuel Quantity Indicator 2E20 2E20 2E21 2E21 2E21 2E22 2E23 2E23 2E23 2E23 2E23 2E23 2E24 2E24 2E24 2E24 2F1 2F1 2F1 2F1 2F2 2F3 2F3 2F3 2F3 2F4 2F4 2F4 2F4 2F4 2F5 2F5 2F5 2F5 2F5 2F5 2F5 2F5 2F5 2F6 2F6 2F6 2F7 2F7 10 65 General 10 66 Troubleshooting 10 67 Removal and R...

Page 387: ...ead Temperature Gauge 10 85 General 10 86 Troubleshooting 10 87 Removal and Replacement 10 88 Fuel Flow Gauge 10 89 General 10 90 Troubleshooting 10 91 Removal and Replacement 10 92 Piper AutoControl System 10 93 Annunciator Panel 10 94 General 10 95 Troubleshooting 10 96 Removal and Replacement Revised 9 2 78 2E3 Aerofiche Grid No 2F7 2F7 2F7 2F7 2F8 2F8 2F9 2F9 2F9 2F9 2F9 2F9 2F10 2F10 2F10 2F1...

Page 388: ...evacuum system service symptoms on those components which are serviced by removal and replacement These itmes include hoses clamps vacuum system filters vacuum regulating valveand suction gauge a Hosesand Clamps 1 These items should be examinedperiodically and inspected carefully whenever engine maintenance activities cause hose disconnectionsto be made at the pump regulating valve gyros and or va...

Page 389: ... 1 2 of mercury is normal and is not causeto replacegauge c With engine operating at normal cruiseRPM the gaugeshould read from4 8 inchesto 5 1 inchesof mercury vacuum d At 1200 RPM the vacuumgaugereading should bemore than four inchesof mercury c VacuumSystemFilters 1 The system employs a large central filter and differential suction gauge that continuously monitors the filter condition whileindi...

Page 390: ... vacuumdoes not occur 3 The gyros themselvesact as a limiting deviceto keep the vacuumpower applied from exceedingsafelevels NOTE If the panel gaugehas been checked and found OK and the suction gauge reading does not repeat within the rangeof 4 8 to 5 1 inches of mercury then the regulatingvalveshould be changed Observe the usual precautions for maintaining systemcleanlinessto avoidpremature pump ...

Page 391: ...atorvalve incorrectly adjusted Line fromgyros to filter restricted Line from pump to gyros leaking Adjust regulatorvalve in accordancewith Adjustmentsin this section Repair line Checkall linesand fittings Normalpressureindica tion but sluggishoper ation of instruments Faulty instrument Replaceinstrument Issued 1 3 78 INSTRUMENTS 2E7 ...

Page 392: ...nctioning Replacepump Vacuum correct on ground but willnot maintain pressureat altitude Vacuumpump mal functioning Replacepump Regulatorsticky Cleanregulator Vacuum correct but pilot reports pressure erratic or shows complete lossin flight Regulatorsticky Cleanregulator Oilin pump due to leaky engine seal or cleaningfluid blown into pump whilecleaningengine Replacepump Pressurecan only be maintain...

Page 393: ...IGAR LIGHTER 23 MASTER AND ACCESSORY SWITCH PANEL 21 22 44 24 AUTOPILOT 25 ENGINE INSTRUMENT CLUSTER 26 VOR LOC COUPLER 27 NAV SELECTOR SWITCH 28 MAGNETO AND STARTER SWITCH 29 PITCH TRIM SWITCH 30 MANIFOLD PRESSURE AND FUEL FLOW GAUGE 31 FUEL PRESSURE AND QUANTITY GAUGES 32 TACHOMETER 33 GEAR SELECTOR 34 AUTO EXT OFF LIGHT 35 AIR CONDITION DOOR LIGHT 36 THROTTLE QUADRANT 37 MICROPHONE BRACKET 38 M...

Page 394: ...panel Access to the valve for maintenance and adjustment is gained from below the instrument panel 10 1 TROUBLESHOOTING For troubleshooting of the vacuumregulator refertoTable X I 10 12 ADJUSTMENTS OF VACUUM REGULATOR VALVE a Bend washer tabs up to turn adjusting screws b Start the engine after allowing time for warm up run the engine at 2700 RPM NOTE On the PA 32RT 300T do not maintain from 2575 ...

Page 395: ...ump fitting c Removethe vacuum pumpby removalof the retainingnuts and washers d Reinstall pump in reverseorder of removal noting alignmentof splineon the pump drivewith the spline on the enginedriveassembly Torque standardnuts 50 to 70 in Ibs CAUTION The only dry air pump mounting gasket authorized and approved for use on the Airborne dry air pump is the Airborne gasket B3 1 2 Piper part number 75...

Page 396: ...INDOW MUSTBE CLOSED I HEATER ANDDEFROSTER MUST BEON PULLAFTTOOPEN 1 CUMB INDICATOR 2 ALTIMETER 3 AIRSPEEDINDICATOR 4 VALVE ASSEMBLY ALTERNATEAIR 5 TUBEASSEMBLY STATIC 6 TUBEASSEMBLY PITOT 7 HEAD ASSEMBLY PITOT Figure 10 2 Instrument Air SystemInstallation Issued 1 3 78 INSTRUMENTS 2E12 ...

Page 397: ...ons for use is located on the instrument panel 10 20 DIRECTIONAL GYRO 10 21 GENERAL The directional gyro is a flight instrument incorporating an air driven gyro stabilized in the vertical plane The gyro is rotated at high speed by lowering the pressure in the air tight case and simultaneously allowing atmospheric air pressure to enter the instrument against the gyro buckets Due to gyroscopic inert...

Page 398: ...nism Replace 10 23 REMOVALAND REPLACEMENT Referto Paragraph 10 76of this section 10 24 GYRO HORIZON 10 25 GENERAL The gyro horizon is essentially an air driven gyroscope rotating in a horizontal plane and is operated by the same principal as the directional gyro Due to the gyroscopic inertia the spin axis continues to point in the vertical direction providing a constant visual reference to the att...

Page 399: ...Instrument loose in panel Vacuum too high Defective mechanism Instrument not level in panel Aircraft out of trim Normal if it does not exceed 1 16 inch Low vacuum Remedy Check pump and tubing Clean or replace filter Check line and pump Adjust valve Check part number Replace Tighten mounting screws Adjust valve Replace instrument Loosen screws and level instrument Trim aircraft Reset regulator Dirt...

Page 400: ... air this should not be considered a malfunction 10 30 TROUBLESHOOTING TABLE X IV RATE OF CLIMB INDICATOR Trouble Cause Remedy Pointer does not set Aging of diaphragm Reset pointer to zero on zero by means of setting screw Tap instrument while resetting Pointer fails to Obstruction in static Disconnect all instru respond line ments connected to the static line Clear line Pitot head frozen over Wat...

Page 401: ...ALAND REPLACEMENT Refer to Paragraph10 76of this section 10 32 SENSITIVEALTIMETER 10 33 GENERAL The altimeter indicates pressure altitude in feet above sea level The indicator has three pointers and a dial scale the long pointer is readin hundreds of feet the middle pointer in thousandths of feet and the short pointer in ten thousandth of feet A barometric pressure window is located on the right s...

Page 402: ...f lubrication Out of engagement Not tight when altimeter was reset Casegasket hardened Replaceinstrument Replaceinstrument Eliminateleak in static pressure system and check alignmentof airspeed tube Replaceinstrument Replaceinstrument Tighteninstrument screw if loose Re placeinstrument if screwis missing Replaceinstrument Dullor discolored markings Age Barometric scaleand reference markersout of s...

Page 403: ... A R 23 1325 10 35 REMOVALAND REPLACEMENT Refer to Paragraph10 76of this section 10 36 AIRSPEEDINDICATOR 10 37 GENERAL The airspeed indicator providesa means of indicating the speedof the airplane passingthrough the air The airspeed indication is the differentialpressurereading between pitot air to pressure and static air pressure This instrument has the diaphragm vented to the pitot air source an...

Page 404: ...akingstatic system Pointer not on zero Leakingstatic system Pitot head not aligned correctly Waterin pitot line Remedy Check for leak and seal Replaceinstrument Replaceinstrument Find leak and correct Replaceinstrument Find leak and correct Realignpitot head Removelines from static instruments and blow out lines from cockpit to pitot head NOTE When any connections in static system are opened for c...

Page 405: ...tor switch and all radio switches should be in the ON position All other cockpit controlled electrical switches should be in the OFF position a Set adjustment screws of compensator on zero Zero position of adjusting screws is when the dot of the screw is lined up with the dot of the frame b Head aircraft on a magnetic North heading Adjust N S adjustment screw until compass reads exactly North c He...

Page 406: ...ot fric Replace instrument tion or broken jewel Liquid leakage Loose bezel screws Replace instrument Broken cover glass Replace instrument Defective sealing Replace instrument gaskets Discolored markings Age Replace instrument Defective light Burned out lamp or Check lamp or continuity broken circuit of wiring Card sticks Altitude compensating Replace instrument diaphragm collapsed Card does not m...

Page 407: ...nt Pointer shifted Lineleaking Defectiveinstrument Replaceinstruments Tighten line connections Replaceinstrument Dullor discolored marking Age Replaceinstrument Incorrect reading Moistureor oil in line On 32RT 300disconnect linesand blow out On 32RT 300Topen manifoldpressure line purgevalvebehind gauge with engine at idle 1046 REMOVALANDREPLACEMENT Refer to Paragraph10 76of this section 1047 TACHO...

Page 408: ... climb Pointer goes all the way to stop more noticeable in cold weather Pointerjumps at idle Tachometer cablebreaks Excessiveclearancein speedcup Excessivelubricant in instruments Speedcup hitting ro tating magnet Cablebent too sharply Replaceinstrument Replaceinstruments Replaceinstrument Reroute cable 10 50 REMOVALAND REPLACEMENT Refer to Paragraph 10 76of thissection 10 51 ENGINEOIL PRESSUREGAU...

Page 409: ... Air in line or rough engine relief Enginereliefvalve open Replaceinstrument Replaceinstrument Disconnect line and fill withlight oil Checkfor leaks If trouble persists clean and adjust reliefvalve Cleanand check 10 54 REMOVALAND REPLACEMENT Refer to Paragraph10 78of this section 10 55 FUELPRESSUREGAUGE PA 32RT 300 10 56 GENERAL The fuel pressure gauge instrument is mounted in the cluster on the i...

Page 410: ...eckfor obstruction in electric pump Checkbypassvalve Air leak in intake lines Replacegauge Pressurelow or pressuresurges Obstruction in inlet sideof pump Tracelinesand locate obstruction Faulty bypassvalve Replace Faulty diaphragm Needle fluctuation Air in line Replaceor rebuild pump Loosenline at gauge turn on electricpump Purgeline of air and retighten Highfuel pressure with engine shut off righ...

Page 411: ...o which means if the aircraft is rolled right and left rapidly the indicator will move indicating a turn but if the aircraft is held in a bank by applyingrudder the indicator willcome back to zero indicating no turn 10 61 TROUBLESHOOTING TABLEX XII TURNANDBANKINDICATOR Trouble Cause Remedy Pointer failsto respond Incorrect sensitivity Incorrect turn rate vacuumstyle Foreignmatter lodged in instrum...

Page 412: ...ndicator gauge to show the amount of fuel in the cell The two transmitters are connected in series the outboard sendermust be isolated from airframeground 10 66 TROUBLESHOOTING TABLEX XIII FUEL QUANTITYINDICATORS Trouble Cause Remedy Fuel gaugefailsto indicate Broken wiring Checkand repair Gaugenot operating Replace Blownfuse Replace fuse Fuel gaugeindicates empty when tanks are full Incomplete gr...

Page 413: ...vescaleerror Pointer failsto move as engineis warmedup Brokenor damagedbulb Wiringopen Impropercalibration adjustment Brokenor damagedbulb or openwiring Check engineunit and wiringto instrument Repairor replace Checkengineunit and wiring Dullor discolored marking Age Replaceinstrument 10 71 REMOVALAND REPLACEMENT Refer to Paragraph10 78of this section 10 72 AMMETER 10 73 GENERAL The ammeter is mou...

Page 414: ... on the fitting threads is recommendedand should be installed as follows CAUTION Permit no oil grease pipe compound or anyforeignmaterial to enter parts prior to installationoffittings Makesurethat all air linesare clean and free of foreign particlesand or residue before connecting lines to gyro DO NOT USE THREAD LUBEON FITTINGS OR IN PORTS The useof threadlube can causecontamination shorteningthe...

Page 415: ...On PA 32RT 300T models the EGT probe is mounted in the exhaust transition area and on the 260 and 300 models the probe is mounted in the exhaust stack below the number 6 cylinder 10 82 REMOVAL OF EGT PROBE AND GAUGE a Disconnect wires from the EGT gauge at the instrument panel b Remove four bolts which secure the gauge to the instrument panel and remove the gauge c Remove wires from the wire harne...

Page 416: ... with four bolts d Connect the thermocouple wiresto the rear of the EGTgauge 10 83 TROUBLESHOOTING TABLEX XV EXHAUSTGASTEMPERATUREGAUGE ALCOR Trouble Cause Remedy Gaugeinoperative Defectivegauge probe or wiring Checkprobe and lead wiresfor chafing breaksor shorting between wiresand or metal structure Adjustingpotentio meter turned off scale Recalibrateinstruments Fluctuating reading Loose frayed o...

Page 417: ...fuel flow gauge is a non electricpressure gauge mounted in the bottom half of the manifold pressure gaugelocated in the lowerportion of the instrument panel On PA 32RT 300this instrument measuresflow by readingthe pressure drop across a fixed orificelocated in the fuel divider With a constant fuel pressurebeingsupplied by the engine drivenpump and putting a fixed orificein the fueldividerhead and ...

Page 418: ...TEM SeeAutoControl ServiceManual 10 93 ANNUNCIATORPANEL 10 94 GENERAL The annunciator panel consists of three amber lightsand a push button test switch located on the upper left center portion of the instrument panel Refer to Figure 10 1 An additional amber light comes with the PA 32RT 300Tmodel The panel monitors alternator output oil pressure the vacuum system and engine manifoldpressure The ALT...

Page 419: ...1 18 RemovingDrivePulley 11 19 RemovingDriveEnd Bearing 11 20 ReplacingSlipRings 11 21 RemovingSlipRings 11 22 Installation of Slip Rings 11 23 InstallingGreaseRetainer 11 24 InstallingDriveEnd Bearing 11 25 Installing Pulley 11 26 AssemblingEnd Shield Sub Assemblies 11 27 BenchRun UpTest 11 28 BenchHot Stabilation Output Test 11 29 Alternator System Prestolite 11 30 CheckingAlternator System 11 3...

Page 420: ...11 60 Operation 11 61 Maintenance 11 62 Overhaul 11 63 Removal 11 64 Disassembly 11 65 Brushes 11 66 Armature 11 67 Field Coils 11 68 Brush Holders 11 69 Gear and PinionHousing 11 70 Bendix Drive 11 71 Assembly 11 72 BenchTests 11 73 Starting Motor Control Circuit 11 74 CrankingMotor ServiceTest Specifications 11 75 Battery 11 76 ServicingBattery 11 77 Hydrometer Readingand Battery Chargeper cent ...

Page 421: ...llation of Oil Pressure Sensor 11 88 Removal of Vacuum Sensor 11 89 Installation of Vacuum Sensor 11 90 Aluminum Wiring 11 91 Ignition Switch 11 92 Removal of Ignition Switch 11 93 Installation of Ignition Switch Aerofiche Grid No 2H14 2H 14 2H15 2H15 2H15 2H 15 2H 15 2H16 2H16 2H 16 Issued 1 3 78 2F13 ...

Page 422: ...ard Baggage Light and Cigar Lighter Fuel Pump PA 32RT 300T Fuel Pump PA 32RT 300 Instruments Navigation and Radio Lights Landing Gear PA 32RT 300 Landing Gear PA 32RT 300T Landing Light Passenger Reading Lights Pitch Trim Pitot Heat Stall Warning Turn and Bank 11 60 11 44 11 45 11 58 11 52 11 49 11 50 11 61 11 63 11 53 11 54 11 48 11 46 11 47 11 59 11 51 11 55 11 57 11 62 11 56 2118 2110 2111 2118...

Page 423: ...been corrected check the entire electrical system for security and operation of its components 11 3 ELECTRICAL POWER SUPPLY The electrical power is supplied by one 12 volt battery and a 14 volt direct current alternator The alternator is located on the front lower right side of the engine and utilizes a belt drive from the engine crankshaft Many advantages both in operation and maintenance are der...

Page 424: ...dicates a breakdown of wiring or equipment in the generatorcircuit The ammeter does not indicate battery discharge but displays the load in amperes placed on the generating system With all electrical equipment off except master the ammeter will indicate the amount of charging current demanded by the battery This amount willvary depending on the percentage of chargein the battery at the time Asthe ...

Page 425: ...it of electrical equipment is switched on the cur rents will add up and the total including the battery will appear on the ammeter 11 4 ALTERNATOR SYSTEM TEST PROCEDURE a Start engine and set throttle for 2000 to 2200 RPM b Switch on the following loads and observe the ammeter reading increases as follows 1 Anti Collision lights 4 4 amps 2 Landing light 8 0 amps 3 Navigation and all instrument pan...

Page 426: ...ductor Observe the ammeter to determine the current flowing through the rotor coil and connected circuit and record the amount Slowly rotate the rotor with the pulley while watching the meter The current will be a little less while ro tating the rotor than when stationary However if the slip rings are clean and the brushes are making good contact slight fluctuation will be normal due to variation ...

Page 427: ...Inspect the brush holder and insulatedwasher Re placeif damaged The stack of parts attaching the insulated brush holder assem bly to the end shield must always be installed in the proper sequence as follows Insulated brush holder FLD terminal insulating washer lockwasher and at taching screw 11 8 INSPECTION Inspect the condition of the alternator components paying special attention to the conditio...

Page 428: ...es in the heat sink at the rectifiers The meter reading for each of the rectifiers should be the same Always contact the connection nearest the rectifiers Do not break the sealing on the rectifier lead wire or on the top of the rectifiers The sealing material is used for corrosion protection The reading on the meter will indicate 1 7 or over for good rectifiers Where two of the rectifiers are good...

Page 429: ...n of the rectifier The test indications are the same for the negative case rectifiers in the end shield as they are for the positive case rectifiers in the heat sink However the meter will read at the opposite end of the scale NOTE If all three of the negative rectifiers read low before condemning the rectifiers test for a grounded stator A grounded stator will cause the negative rectifiers in the...

Page 430: ...rectifiers once they have been removed The new tool kit can be used on all Chrysler built alternators A press is not required when using the new C 3928 tool kit for removing or installing rectifiers Three diode rectifiers are pressed into the heat sink and three in the end shields The new tool consists of a clamp type fixture with special adapters This tool makes it unnecessary to use a press The ...

Page 431: ...bly installing support on the fixture anvil LANCE IISERVICE MANUAL Figure 11 8 InstallingRectifiers from the fixture and position SP 3820 11 13 INSTALLING RECTIFIERS Start the new rectifier as squarely as pos sible into the hole the old rectifier was removed from after first checking to be sure it is of the proper polarity The negative rectifiers are marked with black numerals and the positive wit...

Page 432: ... NOTE Clean all wires before soldering Form the rectifier lead around the connector being very careful not to crack the seal To protect the rectifier from over heating grip the rectifier lead between the rectifier and the point being soldered with a pair of long nose pliers The pliers absorb heat to protect the recti fier Under no circumstances use acid flux or acid core solder Use rosin core sold...

Page 433: ...oint cold will be rough and pitted NOTE After soldering to quickly cool the soldered connec tion touch a dampened cloth against it This will aid in forming a solid joint Withthe rectifier properly installed test to ensure that the rectifier has not been damaged while installing If the lead wires have been pulley away from the end shield recement them Issued 1 3 78 ELECTRICALSYSTEM 2G1 ...

Page 434: ...ce ment of the stator is required 11 15 TESTING ALTERNATOR CAPACITORS Capacitors are used in connec tion with alternators to suppress any transient peak voltage that may occur It is essential therefore to test the capacitor when servicing the alternator This is especially true where diode rectifiers test open or short circuited The capacitor is connected to the inner end of the alternator BAT term...

Page 435: ...ed as a support for end shields without the greaseretainer counterbore 11 17 INSTALLINGNEEDLE BEARING IN END SHIELD Refer to Figure 11 12 Support the end shield on the C 3925 tool and press the bearinginto the end shield with tool SP 3381 Tool SP 3381 has a concavedend that is shaped to fit overthe end of the bearingcase It isessentialto use this tool to prevent damageto the bearing The face of th...

Page 436: ...lsoretained in the end shieldby a retainer The retainer is of spring steel construction and three integral fingerssnap overa shoulderon the end shield Remove the drive end shield from the bearing by removingeither the three retaining nuts from the retainer studs or by unsnappingthe springretainer fingerswith a screwdriver The end shield may then be removed by tapping on the end of the rotor shaft ...

Page 437: ...the shaft The slip ringsmust be pressedon the knurled shaftONLY The shaft alsohas a greaseretainer and an insulator Theretainer is pressed on overthe insulator aheadof the sliprings 11 21 REMOVING SLIPRINGS Refer to Figure 11 15 a Unsolderthe rotor coil field leadsfrom the solder lugs b Removegreaseretainer with a pair of diagonalpliers c Cut through the copper of both slip rings at opposite point...

Page 438: ...d the solder lug andsoldersecurely withrosin core solder 5 Coil the ground brush ring field lead around the solder lug located 180 from the slip ringlugand solderwith rosin core solder 6 Test slip rings for ground with 110 volt test lamp by touching onetest probe to rotor pole shoe and remainingprobe to slip rings Test lamp should not light If lamp lights slip rings are shorted to ground possibly ...

Page 439: ...ING RETAINER ROTOR DRIVE END SHIELD Figure 11 19 Installing Driver End Shield and Bearing Typical ROTOR Figure 11 18 Installing Retainer DRIVE END SHIELD PULLEY Figure 11 20 Installing Pulley Issued 1 3 78 ELECTRICAL SYSTEM 267 ...

Page 440: ...its components require no service position the bearing and the drive end shield assembly on the rotor shaft and while supporting the parts on the end of the rotor shaft press the bearing and end shieldassemblyin position on the rotor shaft usingan arbor pressand tool C 3858 CAUTION Make sure that the bearing is installed squarelyat the start otherwise damageto the bearing willresult Pressthe beari...

Page 441: ...ists of four checks which are to be made quickly to avoid heating of the windings These are as follows NOTE For test c and d external field excitation may be used but must be removed and self excitation used to obtain output amperes Refer to Figure 11 21 for meter connections a With the alternator at rest apply 15 volts between the alternator battery terminal and ground with polarity such that the...

Page 442: ...xternal load shall be applied An external D C power source may be used to polarize the field but must be removed as soon as the alternator is self sustaining Maintain 14 volts at no load by adjusting rpm for a period of 15 minutes at which time record the above specified data Apply an electrical load to the alternator and increase speed so as to obtain 5 amperes output not including field excitati...

Page 443: ...l including the battery will appear on the ammeter Using the example that the airplane s maximum continuous load with all equipment on is approximately48 amperes for the 60 ampere alternator Thisapproximate 48 amperevalue plus approximately two amperesfor a fully chargedbattery willappear continuously under these flight conditions If the ammeter reading wereto go much belowthisvalue under the afor...

Page 444: ...re to observe these precautions will result in serious damageto the electricalequipment a Disconnect the battery before connecting or disconnectingtest instruments except voltmeter or before removing or replacing any unit or wiring Accidental grounding or shorting at the regulator alternator ammeter or accessories willcauseseveredamageto the units and or wiring b The alternator must not be operate...

Page 445: ...e three phase windings The stator has been treated with a special epoxy varnish for high temperature resistance e The rotor contains the slip ring end bearing inner race and spacer on the slip ring end of the shaft The rotor winding and winding leads have been specially treated with a high temperature epoxy cement to provide vibration and temperature resistance characteristics High temperature sol...

Page 446: ...ringend head d Remove the nuts lock washers flat washers and insulators from the output and auxiliary terminal studs Note carefully the correct assembly of the insulator washersand bushings Using the specialtools shownin Figure 11 24 support the end head andpress out the three negativerectifiers The end head can now be separated from the stator assembly e To remove the slip ring end bearing and gr...

Page 447: ... or any type of continuity tester Refer to Figure 11 27 There must not be any continuity between the slip rings and the rotor shaft or poles To test for shorted turns in the rotor winding connect a voltmeter ammeter and rheostat as shown in Figure 11 28 or use an ohmmeter Rotor current draw and resistance are listed in the specifications given in Paragraph 11 39 Excessive current draw or a low ohm...

Page 448: ...liary terminalor any stator lead and the other test bulb or ohmmeter probe to the stator frame If the test bulb lights or the ohmmeter indicates continuity the stator is grounded To test for open windings connect one test probe to the auxiliary terminal or the stator windingcenter connection andtouch each of the three stator leads The test bulb must light or the ohmmeter must show continuity Due t...

Page 449: ...ial tools illustrated in Figure 11 30 CAUTION Use an arbor press do not hammer Reconnect the stator leads to the rectifiers When soldering these connections use pliers as a heat dam on the lead between the solder joint and the rectifier Too much heat will damage the rectifiers c Reassemble the rectifier mounting plate studs and insulators making sure they are in the correct order Refer to Figure 1...

Page 450: ...crews Spin the rotor and check for interference between the brush holder and rotor Check between the field terminal and ground with an ohmmeter The ohmmeter must indicate the amount of rotor resistance listed with paragraph 11 39 Alternator ServiceTest Specifications 11 38 TESTINGOF ALTERNATOR a Wiring connections for bench testing the alternator are shown in Figure 11 33 Refer to the specificatio...

Page 451: ...ators installed as standard equipment on airplanes equipped with air conditioning ALTERNATOR SPECIFICATIONS Alternator Model ALY 6422 Voltage 12 volts Rated Output 60 amperes Ground Polarity Negative Rotation Bi Directional Rotor Current Draw 70 to 80 F Resistance 70 to 80F 2 4 to 4 0 amps 12 0 volts 3 0 to 5 0 ohms Output Test without Regulator 70 to 80 F Volts Amperes Output Alternator RPM 14 0 ...

Page 452: ...air of the unit impractical and if it does not meet the specifications it must be replaced The regulatormay be tested by the followingprocedure a Besure that the battery is fully chargedand in good condition b Check the alternator accordingto the manufacturer s instructions to determine if it is functioning properly c Usea good quality accurate voltmeter with at least a 15 volt scale d Connect the...

Page 453: ...the regulatorwhilethe circuit energized 6 Open circuitoperation of the alternator The battery disconnected 1143 OVERVOLTAGERELAY 11 44 CHECKINGOVER VOLTAGERELAY The relay may be tested with the use of a good quality accurate voltmeter with a scale of at least 20 volts and a suitable power supply with an output of at least 20 volts or sufficient batteries with a voltagedividerto regulatevoltage The...

Page 454: ...ired to slip the belt at the smallpulley and is accomplishedas follows a Apply a torque indicating wrench to the nut that attaches the pulley to the generator and turn it in a clockwisedirection Observethe torque shown on the wrenchat the instant the pulley slips b Check the torque indicated in step a with torque specified in the followingchart Adjust belt tension accordingly Width of Belt 3 8 inc...

Page 455: ...pinion stop which prevents the pinion from drifting into mesh when the engine is running Others use a small anti drift pin and spring inside the pinion which provides enough friction to keep the pinion from drifting into mesh Never operate the motor for more than 30 seconds without pausing for two minutes to allow it to cool 1148 CHECKING CRANKINGMOTOR Several checks both visual and elec trical sh...

Page 456: ...ng motor removed from the engine the pinion should be checked for freedom of operation by turning it on the screw shaft The armature should be checked for freedom of operation by turning the pinion Tight dirty or worn bearings bent armature shaft or loose pole shoe screw will cause the armature to drag and it will not turn freely If the armature does not turn freely the motor should be disassemble...

Page 457: ... hand d Failure to operate with no current draw indicates 1 Open field circuit This can be checked after disassembly by inspecting internal connections and tracing circuit with a test lamp 2 Open armature coils Inspect the commutator for badly burned bars after disassembly 3 Broken brush springs worn brushes high insulation between the com mutator bars or other causes which would prevent good cont...

Page 458: ...rame to the field frame assembly Discard the tang lock washers d Separate the commutator end frame armature assembly field frame and drive housing e Remove anddisassemble the drive from the armature shaft by first identi fying the type Bendix drive and then following one of the guides below 1 Standard Bendix Drive remove the head spring screw and slip it off of the armature shaft 2 Folo Thru Bendi...

Page 459: ...commutatorand other test probeonthe armaturecore or shaft the armature is grounded If the commutator is worn dirty out of round or has high insulation the commutator should be turned down and undercut as previously described c Field coils The field coils should be checked for grounds and opens using a test lamp 1 Grounds Disconnect field coil ground connections Connect one test probe to the field ...

Page 460: ...restolite 11 59 DESCRIPTION The gear reduction starting motor consists of six major components The Commutator End Head Assembly The Armature The Frame and FieldAssembly theGear Housing The Pinion Housing and The Bendix Drive Assembly Refer to Figure 11 38 11 60 OPERATION When the starting circuit is energized battery current is applied to the starting motor terminal Current flows through the field...

Page 461: ...the gear housing by a closed end roller bearing and in the pinion housing by a graphitized bronze bearing When the armature turns the reduction gear the Bendixdrive pinion meshes with the flywheel ring gear by inertia and action of the screw threads within the Bendix sleeve A detent pin engages in a notch in the screw threads which pre vents demeshing if the engine fails to start when the starting...

Page 462: ... Voltage loss from insulated battery post to starting motor terminal 0 3 volt maximum 2 Voltage loss from battery ground post to starter frame 0 1 volt maximum NOTE If voltage loss is greater than the above limits add itional tests should be made over each part of the cir cuit to locate the high resistance connections c Nolubrication is required on the starting motor except at the time of over hau...

Page 463: ... dip it in cleaning solvent d To remove the roller bearings from the gear housing use an arbor press and the correct bearing arbor DO NOT HAMMER OUT Each part should be cleaned and inspected for excessive wear or damage Bearings should be checked for proper clearance and evidence of roughness or galling Oil and dirt should be removed from insulation and the condition of the insulation checked 11 6...

Page 464: ... Refer to Figure 1141 by placing one test probe on the frame and the other on the starter terminal Be sure the brushes are not accidentally touching the frame If the lamp lights the fields are ground ed Repair or replace b Inspect all connections to make sure they are clean and tight and inspect insulation for deterioration 11 68 BRUSHHOLDERS a To test brush holders touch one test probe to the bru...

Page 465: ...utator with the sanding side out 1 1 4 to 1 1 2 times maximum Drop brushes on sandpaper covered commutator and turn the armature slowly in the direction of rotation Dust should be blownout of the motor after sanding NOTE The spring tension is 32 to 40 ounces with new brushes This tension is measured with the scale hooked under the brush spring near the brush and the reading is taken at right angle...

Page 466: ...NTROL CIRCUIT a Inspect the control circuit wiring between the battery solenoid and manual starting switches for breaks poor connections and faulty insulation Tighten all connections and make sure solenoid is firmly mounted and makes a good ground connection b Check the voltage loss across the switch contacts during normal starting If loss is in excess of 0 2 volts per 100 amperes the solenoid sho...

Page 467: ...he box and draw off fumes that may accumulate due to the chargingprocessof the battery The drain is capped off from the bottom of the fuselageand should be opened occasionallyto drainany accumulation of liquid or duringcleaningof the box The battery should be checked for fluid level but must not befilledabovethe baffle plates A hydrometer check should be performed to determine the precent of charg...

Page 468: ...stall battery with reversepolarity Connect ground to negativeterminal of battery 11 79 CORROSIONPREVENTION The battery should be checkedfor spilledelectrolyte or corrosion at least each 50 hour inspection or at least every 30 days whichevercomes first Should this be found in the box on the terminalsor around the battery the battery should be removed and both the box and battery cleanedby the follo...

Page 469: ...rument Lights Red Flood Panel X Reading Light Passenger X Fuel Pump Rotary Fuel Inj t Engine Gages Elec Turn Bank Pitot Heat Pitot and Pressure Mast Heat X Cigar Lighter Master Solenoid X Starter Solenoid Radio See Mfg s Installation Manual X Baggage Comp t Light X Landing Gear Pump Circuit Breaker Solenoid X Gear Down Lights 2H13 4 4 5 4 8 0 Max OPT OPT OPT 1 0 OPT 1 5 OPT 1 0 OPT 6 0 Approx 1 0 ...

Page 470: ...previously removed c Connect the electricalconnection to the assembly d Check operation of Dimmer Control Assembly 11 84 ANNUNCIATOR PANEL 11 85 DESCRIPTION The annunciator panel is a small cluster of lights whichwarn of malfunctions in the various circuits or systems A malfunction is identified by the illumination of an individual warning light There are three warning lights on the PA 32RT 300 mo...

Page 471: ...to the vacuum regulator Removal is accomplished by the following a Disconnect the two electrical leads b Unscrew the sensor unit from the vacuum regulator c Cover hole to prevent foreign matter from entering regulator 11 89 INSTALLATION OF VACUUM SENSOR a Screw sensor unit into vacuum regulator b Reconnect the two electrical leads c Perform operational check 11 90 ALUMINUM WIRING Proper installati...

Page 472: ...WITCH a Usingthe illustration as a reference attach the wires to the ignition switch b Beforeproceeding check for proper operation of the ignitionswitch as follows 1 Removethe P lead from the right magneto 2 Attach the P lead of the right magnetoto an ohmmeter and to airframeground 3 With the switchin the OFF Lor START positionsthe ohmmetershould indicate a closed circuit 4 With the switch in the ...

Page 473: ...cuitdiodes field circuit breaker 5A field terminalsof master switch voltageregu lator and alternator field terminal Interruption of voltage through any of these points isolatesthe faulty components or wire whichmust bereplaced Seewiringschematic Open output circuit With the master switch off use agood multi meter on Lo ohms scale to check the diode RemovewireP3L from the top of the diode and the f...

Page 474: ...nal of alternator from fieldwiringandcheck for continuity from field terminal to ground with ohmeter 20 100ohms dependingon brush contact resistance Pullpropellerslowly by hand turning alter nator rotor through 360 of travel CAUTION Turn magnetoswitchto off before turningprop If resistanceishigh check brushesfor springtension andex cessivewearand re placeif necessary If brushesareokay and fieldrea...

Page 475: ...t to ground Voltage shouldbe 13 5volts minimum If voltage is belowthisvalue replaceregulator Highresistancecon nectionsin field or output circuit Checkvisuallyfor loose connectionsat the variousjunction points in system alternator battery post lugs on ammeter connections at voltageregulator circuit breaker etc Seewiringschematic Examinecrimpedter minalends for signsof deterioration at crimp or str...

Page 476: ... alternator After havingcheckedthe previouscausesof low output it can beassum ed that a faulty rectifier exists SeeParagraph stitled Testing of Rectifiersor Inspection and Testingof Components Fieldcircuit breaker trips Short circuit in field circuit Disconnectfield wiring at terminal of alter nator Turn on master switch If breaker continues to trip pro ceed to disconnecteach legof field circuit w...

Page 477: ...ernator it self Check brush holders for shorting against frame If there are no obvious signs of a physical short circuit at field terminal or brush holder replace alter nator Note Inter mittent short circuit Internal short circuiting of the field can occur at various positions of the rotor therefore reconnect field reset breaker pull propeller slowly by hand turning alternator rotor through 360 of...

Page 478: ...c Battery installed with reversed polarity Battery chargedback wards Remove battery and reinstall with correct polarity Remove battery Con nect load such as land ing light lamp or simi lar load and discharge battery Recharge with correct polarity and test each cell for signsof damage due to reversed charging NOTE Thistype of condition can only occur in a casewherea dis chargedbattery has beenremov...

Page 479: ...tions and wireterminalsin field circuit for de terioration such as loosebindingposts broken wirestrands at terminals etc Tighten allconnectionsand replace faulty term inals If problem persists jump acrossterminals of the followingcom ponentsone at a time until the faulty unit is isolated a Field5 amp al ternator circuit protector b Alternator half of master switch c Overvoltagerelay Replacevoltage...

Page 480: ...lacefaulty unit Brushesshould be a free fit in the brushboxes without excessiveside play Bindingbrushes and brushboxes should be wipedcleanwith a gasoline undoped moistenedcloth A new brushshould be run in until at least 50 percent seated however if facilitiesare not avail able for runningin brushes then the brush should be properly seated by insertinga strip of number 000 sandpaperbetween the bru...

Page 481: ...ent excessive wear Keep motor bearing free from sand or metal particles If commutator is rough or dirty smooth and polish with number 0000 sandpaper If too rough and pitted remove and turn down Blow out all particles Remove and replace with an armature known to be in good condition Test repair if possible or replace with a new part Low motor and crank ing speed Worn rough or im properly lubricated...

Page 482: ...Excessive wear and arcing of motor brushes Rough or scored commutator Remove and turn com mutator down on a lathe Reface commutator Armature assembly not concentric BATTERY Discharged battery Battery worn out Replace battery Low electrical systemvoltage Standingtoo long Equipment left on accidentally Impuritiesin electrolyte Brokencellpartitions Checkvoltage regulatorvoltage Remove and recharge ba...

Page 483: ... top of battery melts Electrolyte runs out of vent plugs Excessive corrosion inside container Hold down bracket loose Frozen battery Charging rate too high Too much water added to battery and charg ing rate too high Spillage from over filling Vent lines leaking or clogged Charging rate too high voltage Replace battery and tighten Replace Reduce charging rate Check voltage regulator voltage Drain a...

Page 484: ...d be slowly dischargedcompletely and then charged correctly and tested Battery consumes excessivewater Chargingrate too high if in all cells Correct chargingrate Crackedjar one cell only Replacebattery ANNUNCIATORPANEL Allwarninglights fail to operate Blownfuse Replacethe 5 amp fuse behind instrument panel No current from bus Checkall wiresegments connections and the receptacleat the left sideof t...

Page 485: ...h Sensoractivatesat a too highsetting Replace Sensorterminals bridged Defectivesensor Removematerial betweenterminals Replace OVER BOOSTwarning failsto operate Bulbburned out Replace Circuitin manifold pressuregauge defective Replacegauge OVERBOOSTwarning failsto extinguish Pressto test switch shortedto ground Replaceswitch Circuitin manifold pressuregauge defective Replacegauge VACwarninglight fa...

Page 486: ...ls to operate Bulbburnedout No current from bus to resistor Replace Checkall wiresegments and connections Largediodeshorted Replace ALTwarninglight fails to extinguish Blownfuse Replace5 amp fuse near the diode heat sink No current from the fuse to the resistor Checkall wiresegments and connections Test switch failsto activatewarninglights ALTwarninglight failsto extinguish ammeter readsfull outpu...

Page 487: ...CIRCUITBREAKER GROUND BATTERY SWITCH FUSE DIODE SOLENOID CONNECTORS WING ROOT CONNECTORPIN NOISE FILTER KNIFE DISCONNECT SWITCH CONDUCTORS SHIELDEDCONDUCTORS CONDUCTORS CROSSINGSAND JUNCTIONS OF CONDUCTORS THE DOT AT THE INTERSECTION INDICATES A JOINING OF CONDUCTORS Issed 1 3 78 ELECTRICAL SYSTEM 217 ...

Page 488: ...R WIREGAUGE CIRCUIT FUNCTION LETTER CIRCUITS A AUTOPILOT C CONTROLSURFACE E ENGINEINSTRUMENT F FLIGHT INSTRUMENT G LANDINGGEAR H HEATER VENTILATING DEICING L LIGHTING P POWER Q FUEL OIL RP RADIOPOWER RZ RADIOAUDIO INTERPHONE J IGNITION RG RADIOGROUND W WARNING K STARTER Issued 1 3 78 ELECTRICALSYSTEM 218 ...

Page 489: ...LANCEIISERVICE MANUAL 861 11 PA 32RT 300 PA 32RT 300T Figure 43b Terminal Block Issued 1 3 78 ELECTRICAL SYSTEM 219 ...

Page 490: ...LANCE IISERVICE MANUAL VOLTAGE OVERVOLTAGE REGULATOR CONTROL Figure11 44 Alternator and Starter PA 32RT 300T Issued 1 3 78 ELECTRICAL SYSTEM 2I10 ...

Page 491: ...LANCE IISERVICEMANUAL 1636 ALTERNATOR Figure11 45 Alternator and Starter PA 32RT 300 Issued 1 3 78 ELECTRICALSYSTEM 2I11 ...

Page 492: ...NM GEAR OVERRID 31 4W LANCEII SERVICEMANUAL 164 I Figure 11 46 Landing Gear PA 32RT 300 Revised 10 3 80 ELECTRICALSYSTEM 2112 ...

Page 493: ...LANCEII SERVICEMANUAL 1629 I Figure 11 47 Landing Gear PA 32RT 300T Revised 10 3 80 ELECTRICAL SYSTEM 2113 ...

Page 494: ...INSTRUMENT LIGHTS 5 AMP INAVIGATION LIGHTS 10 AMP PA 32 RT 300T AND PA 32 RT 300 Figure 11 48 Istrument NavigationandRadio Lights Revised 9 2 78 ELECTRICALSYSTEM 2114 ...

Page 495: ...LANCEIISERVICE MANUAL 1127 IR Figure11 49 EngineInstruments PA 32RT 300T 1627 ENGINE INSTR o Figure11 50 EngineInstruments PA 32RT 300 Revised 9 2 78 ELECTRICALSYSTEM 2115 ...

Page 496: ... 11 51 PassengerReadingLights AUDIOPANEL 5P SEE RADIO SYSTEMS INSTALLATION AMP SEE SEE INSTALLATION INSTALLATION COMMN NAV AMP SEE RADIO INSTALLATION I I SEE SE MA KER ADF r BEACON INSTLLATION INSTALLATIO m Figure 11 52 Avionics Issued 1 3 78 ELECTRICAL SYSTEM 2116 ...

Page 497: ...P LANCE IISERVICEMANUAL FUEL Figure 11 53 FuelPump PA 32RT 300T 2601 Figure 11 54 Fuel Pump PA 32RT 300 PA 32 RT 300T AND PA 32 RT 300 Figure11 55 Pitch Trim Figure 11 56 Turn and Bank Revised 9 2 78 ELECTRICALSYSTEM 2117 ...

Page 498: ...MINAL 7 I PA 32 RT 30T AND PA 32 RT 300 Figure 11 57 Pitot Heat Figure 11 58 Anti CollisionLights o LANDING LIGHT 10 AMP AIRCRAFT AIR BLOWER 20 AMP BLOWERSWWTC LANDING LIGHT PA 32 RT 300T AND PA 32 RT 300 PA32 RT 3OOT AND PA 32 RT 300 Figure 11 59 Landing Light Figure 11 60 Air Blower Issued 1 3 78 ELECTRICAL SYSTEM 2118 ...

Page 499: ...Light and CigarLighter TO STARTER SWITCH LANCE IISERVICE MANUAL STARTER a ACC IS AMP TO NAV LIGHTS PA 32 RT 300T AND PA 32 RT 300 Figure 11 62 Stall Warning Figure 11 63 Forward BaggageLight and Cigar Lighter Revised 9 2 78 ELECTRICAL SYSTEM 2119 ...

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Page 501: ...to Emergency Locator Transmitter Emergency Locator Transmitter Description Battery Removal and Installation CCC Battery Removal and Installation NARCO Pilot s Remote Switch Testing Emergency Locator Transmitter Testing Pilot s Remote Switch Inadvertent Activation Radar System Installation Optional Description Aerofiche Grid No 2122 2122 2123 2124 2124 2124 2124 2JI 2J2 2J2 2J3 2J4 2J4 2J4 Revised ...

Page 502: ...ight Director manufacturers to obtain service direction parts support and service literature Bendix Avionics Division 2100 N W 62nd Street Fort Lauderdale Fla 33310 305 776 4100 TWX 5109559884 Edo Corporation Avionics Division Box 610 Municipal Airport Mineral Wells Texas 76067 817 325 2517 Telex 76067 Sperry Flight Systems Avionics Div 8500 Balboa Blvrd P O Box 9028 VanNuys CA 91409 213 894 8111 ...

Page 503: ...ectly identify the AutoPilot system by faceplate model name in orderto consult the appropriate service manual Each manual identifies the revision level and revision status as called out on the Master Parts Price List Aerofiche published monthly by Piper Consult the aircrafts parts catalog for replacement parts NAME PIPER PART NO AutoControl I II AltiMatic I II AutoControl III and AltiMatic III and...

Page 504: ... ELT is located on the right sideof theairplanetailsection ahead ofthe stabilator a Removethe access plate on the right sideof fuselageaft of sta 259 30 b Rotate the ON ARM OFF switch to the OFF position c Disconnect the antenna coax cable twist left then pull outwards d Disconnect the harness to the pilot s remote switch e Removetheforward mounting bracketbypullingthe blackplasticknob out Remove ...

Page 505: ...tery pack DO NOT EXPOSE TO FLAME NOTE Observe proper local disposal procedure Disposal of lithium batteries should be in accordance with local EPA directives which may require that they betreated as a hazardous chemical waste h Connect new battery pack terminals to the bottom of the circuit board i Reinsert the control head section into the battery pack being careful not to pinch any wires and rep...

Page 506: ... TRANSMITTER The transmitter operates on the emergency frequencies of 121 5and 243 MHz both of these frequencies are monitored by the various FAA installations Before performing any operational test of the ELT the following precautions should be observed CAUTION Testing of an ELT should be conducted in a screen room or metal enclosure to ensure that electromagnetic energy is not radiated during te...

Page 507: ... on the right side of the fuselage aft of sta 259 30 WARNING Whenever the unit is checked by moving the transmitter ON ARM OFF switch from the ARM to the ON position it must then be moved to the OFF position before reverting to the ARM position again CAUTION Under normal conditions the transmitter switch must be set to arm 12 11 TESTING PILOT S REMOTE SWITCH Before performing any operational test ...

Page 508: ... switch selection is corrected by rotating the switch to the OFF position and then to the ARM position b If the transmitter is inadvertently activated through impact deactivate by pushing in on the OFF ARM ON switch NOTE As a routine precaution it is recommended that the ELT battery be replaced at the earliest opportunity after inad vertent activation and a functional test be made in accordance wi...

Page 509: ... PULL TAB OF CHANNEL N AND DOWN ON OFF ARM SWITCH TO ON PIN STOP TO EXTEND TO FULL LENGTH VIEW C Figure 12 1 ELT Portable Folding Antenna Narco 6895 CONTACT SEPARATOR I PORTABLE ANTENNA BLADE NOT MAKING CONTACT FIXED ANTENNA S CABLE CONNECTORAND CONTACT SEPARATOR Figure 12 2 ELT Using Fixed Aircraft Antenna Narco Added 10 3 80 ELECTRONICS 2J5 ...

Page 510: ...L FLIGHT POSITION ELT SHIELD REMOTE ON TEST 14 VOLT DC TO OVERHEAD FLOOD LIGHT CIRCUIT PROTECTOR BLK SHLD TRANSMITTER NO CIR II 2 KEYWAY WHT RED VIEW A NOTE AIRCRAFT POWER USED TO SHUT OFF THE ELT WITH REMOTE SWITCH 122 NARCO _ WHITE I SHIELD SHIELD ON RESET Figure 12 3 ELT Schematics Revised 10 3 80 ELECTRONICS 2J6 ...

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Page 512: ... 134 General Description Heater Maintenance OverheadVent Blower Optional 13 5 Description 13 6 Removalof BlowerAssembly 13 7 Disassemblyof BlowerAssembly 13 8 Reassemblyof BlowerAssembly 13 9 Installation of BlowerAssembly 2J9 22J9 2J9 2J12 UI2J12 2J12 2J13 2J13 Issued 1 3 78 2J8 ...

Page 513: ...l Fresh air for the cabin interior is picked up from air inlets in the leadingedge of each wing at the intersection of the tapered and straight section and passed to outlets located beside the front and center set of seats In addition an air scooplocated in the leadingedge of the fin directsair to individualoverheadvents 13 3 HEATER MAINTENANCE If the exhaust manifold should become defective carbo...

Page 514: ...AND DEFROSTER AIR CONTROLS OVERHEAD FRESH AIR DUCT FRESH AIR OUTLET 7 OVERHEAD VENT BLOWER 8 FRESHAIR INLET AIR BOX 10 CABIN HEAT OUTLET 11 CABIN AIR EXHAUST 12 DRAIN TUBE Figure 13 1 Cabin Heater Defrosters and Fresh Air System PA 32RT 300 Issued 1 3 78 HEATING AND VENTILATING 2J10 ...

Page 515: ...D DEFROSTER AIR CONTROLS 5 OVERHEAD FRESH AIR DUCT 6 FRESH AIR OUTLET 7 OVERHEAD VENT BLOWER 8 FRESH AIR INLET 9 AIR BOX 10 CABIN HEAT OUTLET 11 CABIN AIR EXHAUST 12 DRAIN TUBE Figure 13 2 CabinHeater Defrosterand FreshAir System PA 32RT 300T Issued 1 3 78 HEATINGANDVENTILATING 2J11 ...

Page 516: ...the screws and washers which secure the blower assembly to the retainer and hangars f Remove the blowerassemblyfrom the aircraft 13 7 DISASSEMBLY OF BLOWERASSEMBLY a Remove the hose duct from the forward edge of the blower assembly by removing the nuts washersand screws b Remove the cover from the blower assembly by removing the nuts washersand screws c Remove the blowerfan from the motor shaft by...

Page 517: ... washers and nuts h Position the hose duct on the blower assembly and secure it with screws washers and nuts The screws must be installed with their heads inside the duct i After cleaning the surfaces of all old sealant use white rubber chalk PRC 5000 sealant to seal where the duct attaches to the blower assembly 13 9 INSTALLATION OF BLOWER ASSEMBLY a Position the blower assembly in the hangars an...

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Page 519: ...2J15 INTENTIONALLY LEFT BLANK ...

Page 520: ...rplaneCompressorto Chargethe System 2K8 14 17 Addition of PartialChargeto System 2K10 14 18 CompressorService 2K10 14 19 CompressorRemoval 2K11 14 20 CompressorInstallation 2K11 14 21 CheckingCompressorOil 2K12 14 22 Replacementof Compressorand or Alternator DriveBelts 2K13 14 23 Adjustment of DriveBeltTension 2K17 14 24 MagneticClutch 2K18 14 25 MagneticClutch Removal 2K18 14 26 MagneticClutch In...

Page 521: ...ch PA 32RT 300 14 45 Fuse Replacement 14 46 Shoulder Harness Inertia Reel Adjustment 14 47 Oxygen System Installation 14 48 Description 14 49 Removal of Oxygen Unit 14 50 Inspection and Overhaul Time 14 51 Testing for Leaks 14 52 Maintenance 14 53 Removalof Outlets 14 54 Installation of Outlets 14 55 Purging Oxygen System 14 56 Cleaning of Face Masks Revised6 15 79 2J17 Aerofiche Grid No 2K22 2K22...

Page 522: ...ts take off flight conditions During maximum power demands the compressoris de clutched and the condenserdoor is automatically retracted 14 3 AIR CONDITIONINGSYSTEMOPERATION The air conditioning system is a recirculating independent unit It filters dehumidifies and cools the air as it cycles through the evaporator The unit is operated from controls mounted on the right side of the instrument panel...

Page 523: ...LANCE IISERVICE MANUAL CO Figure 14 1 Air Conditions System Installation Typical Issued 1 3 78 ACCESSORIES AND UTILITIES 2J19 ...

Page 524: ...ier with the knowledge that the temperature and pressure of Refrigerant 12 is in close proximity between the pressuresof twenty and eighty pounds per square inch psi A glanceat the temperature pressurechart will show that there is only a slight variation between the temperature and pressureof the refrigerant in the lowerrange It is correct to assume that for every pound of pressure added to the lo...

Page 525: ... High Pressure Gauge Reading p s i 21 15 10 2 4 6 8 10 12 14 16 18 20 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 45 47 49 52 53 57 62 66 72 86 105 109 113 117 122 126 129 132 134 137 140 144 148 152 156 160 162 165 167 170 172 175 177 180 182 185 187 189 191 193 195 200 205 210 215 220 228 236 260 275 290 Ambient Temperature F 40 50 60 62 64 66 68 70 71 72 73 74 75 76 77 78 ...

Page 526: ...pends upon the pressure temperaturerelationship of pure refrigerant As long as the system contains only pure refrigerant plus a specified amount of compressor oil which is mixed with the refrigerant it is considered to be chemically stable Foreign materials within the system will affect the chemical stability contaminate the system and decreaseits efficiency I GENERALREFRIGERATIONSYSTEMPROCEDURES ...

Page 527: ...essor If any doubt exists about the cleanliness of the compressor oil replace it with new oil 6 Never reuse oil removed from the system Discard it 7 When Loctite Refrigerant Sealant has been used on a joint it must be heated to 400 F prior to disassembly Loctite must be used to seal any pipe threads in the system lines 8 Replace the receiver dehydrator assembly on any system which has been operati...

Page 528: ...mpressor However use of these valvesin servicingis not recommended NOTE If a Schrader service valve is not serviceable the core assemblymust be replaced 14 7 SERVICEVALVE REPLACEMENT The valveson the compressorare sealedwith a gasket placed in the valve port boss Lubricate the gasket with refrigerant oil of the type used in the compressor place the valveswith the tube fittingfacingaft and securewi...

Page 529: ... See Figures 14 3 and 14 4 The center port of the manifold set is used for charging or evacuation procedures or any other service that may be necessary Both the high and low side of the manifold have hand shut off valves When the hand valve is turned all the way in in a clockwise direction the manifold is closed The pressures on that side of the system will however be recorded on the gauge above t...

Page 530: ...DIAGRAM A DIAGRAM C LANCE IISERVICE MANUAL DIAGRAM B DIAGRAM D Figure 14 4 ManifoldSet Operation Issued 1 3 78 2K2 ACCESSORIES AND UTILITIES ...

Page 531: ...he low side manifold valve and open the high side manifold valve d Open the refrigerant container service valve and allow the pressure at the low side gauge to reach 50 psi at which time close the high side manifold valve e Close the refrigerant container service valve and remove the hose if no leaks are evident f It is advisable to use an electronic leak detector to check this system instead of a...

Page 532: ...repair of any leaks proceed to check the systemin accordance with one of the methods outlined for any other leaks h If no further repair is required on the system it is now ready to evacuate in accordancewith paragraph 14 13 14 12 DISCHARGING Required only if systemcontains refrigerant NOTE Applies to Kent Moore J23500 or similar charging station Refer to Figure 14 7 a Close all valves on charging...

Page 533: ...cuumpump capableof pulling29 inchesof mercury or better should be used As we lower the pressure in the air conditioningsystem we lower the boiling temperature of the water moisture that may be present Then we are able to pull this water in the form of vapor out of the system The followingtable demonstrates the effectivenessof moisture removalunder a givenvacuum I SystemVacuum Temperature F COMPOUN...

Page 534: ...inue to operate the vacuum pump until 26 to 28 inches of vacuum isattained on the low pressuregauge then extend the operation for another 25 minutes g If the system cannot maintain 26 to 28 inchesof vacuum closeboth manifoldhand valvesand observethe compound gauge h Should the compound gauge show a loss of vacuum there is a leak in the system whichmust be repaired beforecontinuingwith evacuation i...

Page 535: ...ITH A CHARGING STAND This is the preferred method of charging the system NOTE The following instructions apply to Kent Moore J23500 charging stand Refer to Figure 14 7 a With the system discharged and evacuated proceed to hook up the charging stand Refer to Figure 14 8 b Fill the charging cylinder by opening the valve at the base of the charging cylinder and filling the sight glass with two pounds...

Page 536: ...he controls of the airplane a With the system evacuated as outlined in paragraph 14 13 connect the refrigerant charginghose to the manifold refer to Figure 14 8 and purge the charginghose of air b Place the refrigerant container on a scale to observe the amount of refrigerant entering the system Open the highpressurevalveand add as much refrigerantas possible c Closethe highpressurevalve start the...

Page 537: ...pect leaks or an inaccurate scale if two pounds of refrigerant does not fill the system j Shut off the air conditioningsystemand airplaneengine Then removethe charging linesfrom the Schradervalveswith care due to the refrigerantremainingin the hose NOTE A shop cloth should be used to divert escapingrefrigerant when disconnecting the charging hose from the Schrader valve Recap the valve Issued 1 3 ...

Page 538: ... systemoperation j When the sight glass stays clear of bubbles add an additional 1 4 pound of refrigerant to the system Engine should be operating at 1000 RPM NOTE This should be done with OAT at 70 F or higher withthe air conditioner operating k Shut off the air conditioner and engine Remove the charging hose from the Schradervalvewith care due to refrigerantremaining in the line I Replacethe acc...

Page 539: ...mpressor to the engine mounting brackets 14 20 COMPRESSOR INSTALLATION a Place the compressor to the mounting brackets Install the six bolts and progressively torque to 14 17 ft pounds Safety all bolts with 032 safety wire b Check the oil level in the compressor in accordance with instructions given in paragraph 14 21 c Place drive belt over clutch pulley and adjust the alignment of the pulleys an...

Page 540: ... See Figure 14 9 e With the compressor in the installed position use Table XIV III to determine the amount of oil in the crankcase f The compressor should never be operated with less than 6 ounces of oil When oil is added the level should not go above 10 ounces Piper refrigerant oil PMS L2000 or equivalent 500 viscosity refrigerant oil must be used g Evacuate and charge system Per Paragraphs 14 13...

Page 541: ...gure 14 10 CAUTION Do not force the belts into the pulley sheaves Remove the idler assemblies if necessary and the alternator lower mounting bolts in order to install the belts e Check the belt and pulley alignment of the compressor and or alternator by the following method 1 A datum line must be established for checking belt and pulley alignment A nominal dimension must be established between the...

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Page 543: ...GNMENT DIMENSION CHECK 4 COMPRESSOR 5 ALTERNATOR STRAIGHT EDGE 6 RING GEAR DATUM LINE 8 COMPRESSOR IDLER SHEAVE FORWARD SURFACE OF RING GEAR 9 COMPRESSOR SHEAVE 10 RING GEAR SHEAVE 11 ALTERNATOR BELT 12 ALTERNATOR SHEAVE 13 ALTERNATOR IDLER SHEAVE Figure 14 10 Compressor And Alternator Belt Installation Issued 1 3 78 ACCESSORIES AND UTILITIES 2K15 ...

Page 544: ...CE II SERVICE MANUAL 917 FWD STRAIGHT EDGE SEE VIEWA POINT A POINT B 941 VIEWA ADD OR REMOVE SHIMS P N 62833 83 AS REQUIRED FOR PROPER COMPRESSOR BELT ALIGNMENT Issued 1 3 78 ACCESSORIES AND UTILITIES 2K16 ...

Page 545: ... to paragraph 14 23 for belt tension adjustment 14 23 ADJUSTMENT OF DRIVE BELT TENSION The adjustment of the compressor and or alternator drive belts is very important to obtain long belt life and proper component operation a Adjust new compressor belt to 120 pounds span tension and new alternator belt to 90 100 pounds span tension Use acalibrated belt tension gauge NOTE The higher tension specifi...

Page 546: ...The pressureexerted by the bolt on the end of the compressorcrankshaft willforceoff the rotor pulley assembly 2 without damageto the clutch or compressor CAUTION Do not use a wheel puller on the outer flange of the pulley Thiscan damagethe pulley groovesor clutch bearings c Remove the four bolts securingthe field assemblyagainstthe compressorbossesand remove the bolts washersand field assembly Iss...

Page 547: ...y assembly 2 over the field assemblyand onto the crankshaft now torque the field assembly 85 to 120 inch pounds Then securepulley assemblywith washer and new self lockingcapscrew 1 Torque the capscrewto 180 to 240 inch pounds NOTE If the clutch is not engagedwhile tightening the capscrew insert a spanner into the holesprovidedin the armature face e Spin the pulley by hand to check for any interfer...

Page 548: ...IVER DEHYDRATOR REMOVAL This unit is mounted on the inboard side of the evaporator assembly housing a Discharge the system of all refrigerant See Paragraph 14 12 b Uncouple the refrigerant lines at the receiver dehydrator See Paragraph 14 5 B 7 c Remove the clamp attaching the unit to the evaporator housing NOTE This part is not serviceable it must be replaced The receiver dehydrator should be rep...

Page 549: ...in the side mounting frame 14 33 CONDENSER INSTALLATION a Install the condenser core to the frame assembly with the hose fittings forward and up b Place the condenser and frame assembly to the fuselage frame mounting bracket and insert the 8 screws into the piano hinge c Attach the side hinges and actuating rod and rig per paragraph 14 35 d Seal and couple the hose fittings seal with Loctite refri...

Page 550: ...door to the fuselageskin b Adjust side push rods so that a verticallymeasuredgapof 16 of an inch existsalong the trailing edge of the door at the instant the forward edgeof the door becomesflush with the fuselageskin c With the door fully closed adjust the CLOSED limit switch 6 so that the actuator 1 travels an additional 12 of an inch after the door is fully closed this is necessaryto preload the...

Page 551: ...ANSMISSION ASSY 2 BELLCRANK ASSY CONDENSER 3 PUSH ROD ASSY 4 BELLCRANK ASSY MECHANISM 5 OPEN LIMIT SWITCH 6 CLOSED LIMIT SWITCH 7 CONDENSER 8 CONDENSER DOOR 9 PUSH ROD 10 TRANSMISSION MOTOR ASSY UP LIMIT SWITCH 12PRELOAD 22 NOM CLEARANCE PRIORTOPRELOAD VIEW A Figure 14 12 CondenserAir Scoop Installation Issued 1 3 78 2K23 ACCESSORIES ANDUTILITIES ...

Page 552: ... ASSEMBLY The evaporator assembly consists of the evaporator core receiver dehydrator expansion valve circulating fan and pressure switch together with necessary housing and plumbing The housing is fabricated of Cycolac type material The condensed moisture is dumped overboard through a hose clamped to a fitting on the bottom of the evaporator housing 14 40 EVAPORATOR ASSEMBLY REMOVAL The evaporato...

Page 553: ...APORATOR ASSEMBLY INSTALLATION a Cement gasket in place on the flanges of the evaporator housing and attach the large end of the mounting gasket to the back of the housing b Install the housing through the access hole with the air duct outlet on top Mate the mounting flanges to the mating surface of the mounting panel and insert the screws Do not tighten at this time c Line up the mounting bracket...

Page 554: ... located in the line between the receiverand expansionvalve NOTE Before the relief switch is removed the air conditioning systemmust be discharged SeeParagraph 14 12 14 43 ELECTRICALINSTALLATION The electrical system routing and component are installed and routed in the conventional aircraft manner The wiringharnessis connected to switches in the climate control center on the right side of the ins...

Page 555: ...CONDITIONING FAN SWITCH IN OFF POSITION THROTTLE NOT WIDE OPEN FOR PA 32 RT 300 OR MANIFOLD PRESSURE NOT ABOVE 34 INCHES OF MERCURY FOR PA 32RT 300T AIR CONDITIONING SWITCH IN ON POSITION FREON PRESSURE BELOW LIMIT THERMOSTAT CALUNG FOR COOLING AND CONDENSER DOOR CLOSED Figure 14 15 Air ConditioningWiringSchematic Issued 1 3 78 213 ACCESSORIES ANDUTILITIES ...

Page 556: ...el center d Wind the harness onto the reel until the 24 inch mark is reached then hold reel and placecap with spring overthe reel shaftend e Aligningslot in shaft with spring tang wind spring 6 turns 1 2 turn and snap the plasticcoverinto holesin reel end shaft f Releaseharness and allowingit to wind up extend the harnessa fewtimes to check reel for smooth operation g With reel fully wound hold wi...

Page 557: ...system Evacuate and recharge system 14 13 and 14 14 Clean bugs and dirt from condenser fins Straighten fins if bent Check that capillary bulb is securely clamped to suction line If capillary bulb OK replace expansion valve Check for kinked hoses and stopped up filter Low discharge pressure Undercharge of re frigerant Sight glass shows bubbles or foam Add refrigerant until bubbles disappear Check s...

Page 558: ...rost Expansionvalve inlet screenclogged Inoperativeexpansion valve Valvestuck closedor capillary bulb has lost its charge Add refrigerant Install new dryer Evacuateand recharge 14 13and 14 14 Removescreen Cleanwith solvent and replace Warm capillaryby holding in hand If suction pressuredoes not charge replaceex pansionvalve Restriction anywhere in liquid line Re striction willshow frost Locaterest...

Page 559: ...y Trouble Condenser door will not close when air conditioner switch is in the OFF position Faulty relay K 2 Replace relay System produces no cooling Electrical Blown fuse in control head Open circuit breaker Broken or disconnected electrical wire Broken or disconnected ground wire Clutch coil burned out or disconnected 2L7 Replace fuse Reset circuit breaker Check all terminals for loose connection...

Page 560: ...erative Mechanical Looseor broken drive belt Compressorpartially or completelyfrozen Expansionvalvestuck in open position Replacedrivebelts and or tighten to specifications 14 22 and 14 23 Removecompressorfor serviceor replacement 14 18 Replaceexpansion valve 14 35 Refrigeration Brokenrefrigerantline Leak in system 2L8 Examineall linesfor evidenceof breakage by external stressor rubbingwear Evacua...

Page 561: ...valve plugged hose or coil System will not produce Electrical sufficient cooling Blower motor sluggish Remove blower motor in operation for service or replace ment Mechanical Compressor clutch Remove clutch assembly slipping for service or replace ment 14 24 Obstructed blower Examine entire passage passage for obstruction Correct as necessary Insufficient air Clean condenser coils circulation over...

Page 562: ...eceiver dehydrator and gauge readings stabilize to specifi cations 14 14 Clogged screen in Purge system and re expansion valve place expansion valve 14 35 Expansion valve Purge system replace thermal bulb has expansion valve 14 35 lost charge Clogged screen in Purge system replace receiver dehydrator receiver dehydrator 14 32 Excessive moisture Purge system replace in system receiver dehydrator 14...

Page 563: ...utch for service or replace ment as necessary 14 24 Compressor noisy Check mountings and repair remove com pressor for service or replacement 14 18 Compressor oil level Fill with correct low amount of specified oil 14 21 Refrigeration Excessive charge in Discharge excess freon system until high pressure gauge drops within specifications Low charge in system Check system for leaks charge system 14 ...

Page 564: ...hecradle slidingthe unit forward and liftingit outof the cradle 14 50 INSEPCTIONANDOVERHAULTIME Dueto the natureof the processusedto test compressedgastanks it is recommended that overhaul serviceor hydrostatictests beconductedby anFAAor manufacturer ScottAviation approved shop The following checks and charts give recommended inspection and overhaul times for the various parts of the oxygen system...

Page 565: ...ht Hrs Each Use Each Use Overhaul 3 yrs 3 yrs 3 yrs Replace every 3 yrs Replace as necessary 14 51 TESTING FOR LEAKS Apply detector fluid type CD I solution or its equivalent The solution should beshaken toobtain suds or foam The suds or foamshould be appliedsparingly to thejoints of a closedsystem Look fortraces of bubbles No visible leakageshould be found Repair or replace any defective parts an...

Page 566: ...0PSIorifanylinesareleftopenforanylengthoftime Also ifthebottleisleft atbelow200PSIit maydevelopodorsfrombacterialgrowth Thiswillmakeit necessarytopurge the system Use the followingprocedures CAUTION WhenperformingthisoperationmakesuretheareaisaNoSmok ingArea and is as cleanas possibleof oil anddirt a Keepall doorsand windowsopen b Connectthe oxygenrechargingunit to the filler valve c Plug theoxyge...

Page 567: ... Return unit to Pressure gauge or manufacturer or take regulator defective to approved shop Pressure indication Oxygen cylinder Return unit to normal but no regulator manufacturer or oxygen flowing assembly take to approved shop defective Offensive odors Cylinder pressure Purge the in oxygen below 50 psi oxygen system Foreign matter has entered the system during previous servicing Added 6 15 79 AC...

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