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Piper SEMINOLE PA-44-180, Maintenance Manual

The Piper SEMINOLE PA-44-180 Maintenance Manual is a comprehensive guide for the upkeep of your aircraft. Download this manual for free from our website to ensure your aircraft remains in top condition. This essential manual covers all aspects of maintenance to keep your Piper SEMINOLE PA-44-180 running smoothly.

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Figure 21-9.  Starting Power Circuit

VENT BLOWER POWER CIRCUIT CHECK.

1.

With the HEATER SWITCH in the FAN position, voltage (14 volts nominal) should be present at the 
following locations:  (Refer to Figure 21-8)

A. Terminal No. 6 on the heater terminal strip if the air valve is open.

B. From terminal No. 6 of the heater terminal strip through the radio noise filter to the ventilating air 

motor.

C. Electrical ground circuit for the ventilating air motor is provided from terminal No. 5 of the heater 

terminal strip.  Ventilating air motor is inoperative when the landing gear is up or air valve is closed.

NOTE

THIS WIRING DIAGRAM IS FOR REFERENCE
PURPOSES ONLY.  REFER TO CHAPTER 91 FOR
AIRCRAFT WIRING.

PA - 4 4 - 1 8 0 / 1 8 0 T

AIRPLANE MAINTENANCE MANUAL

2 1 - 4 3 - 0 7

Page 21-19

Revised: May 15, 1989

1F10

PIPER AIRCRAFT

Summary of Contents for SEMINOLE PA-44-180

Page 1: ...SEMINOLE MAINTENANCE MANUAL CARD 1 OF 4 PA 44 180 SEMINOLE PA 44 180T TURBO SEMINOLE PIPER AIRCRAFT CORPORATION PART NUMBER 761 664 June 20 1995 1A1...

Page 2: ...s 32 40 00 is for the Wheels and Brakes portion of the landing gear The individual units within a Sub System Section may be identified by a third element of the standardized numbering system such as 3...

Page 3: ...2 AIRCRAFT ENGINES Textron Lycoming Division Williamsport Pa 17701 PROPELLER Overhaul Instructions HARTZELL COMPACT CONSTANT SPEED and FEATHERING PROPELLER P N 117 D Hartzell Propeller Inc Piqua Ohio...

Page 4: ...DIO CORPORATION KFC 150 P O Box 610 400 North Rogers Road Mineral Wells Texas 76067 Olathe Kansas 66061 FUEL CELLS Maintenance LORAL Engineered Fabrics or Goodyear Aerospace Corp 669 Goodyear Street E...

Page 5: ...A complete list of paragraph titles and appropriate Grid location numbers is given at the beginning of each Chapter relating to the information within that Chapter 5 Identification of Revised Materia...

Page 6: ...3 1981 1 2 and 3 PR810824 August 24 1981 1 2 and 3 PR820826 August 26 1982 1 2 and 3 PR820909 September 9 1982 1 2 and 3 PR830103 January 3 1983 1 2 and 3 PR840326 March 26 1984 1 2 and 3 IR860730 Jul...

Page 7: ...ND MOORING 1C14 11 REQUIRED PLACARDS 1C17 12 SERVICING 1C22 20 STANDARD PRACT AIRFRAME 1E2 21 ENVIRONMENTAL SYSTEM 1E12 22 AUTOFLIGHT 1H21 23 COMMUNICATIONS 1H24 24 ELECTRICAL POWER 1I10 25 EQUIPMENT...

Page 8: ...PURPOSE PARTS 2K19 5l STRUCTURES 2L7 52 DOORS 3A18 55 STABILIZERS 3B8 56 WINDOWS 3B22 57 WINGS 3C10 61 PROPELLER 3D1 71 POWER PLANT 3D21 73 ENGINE FUEL SYSTEM 3F1 74 IGNITION 3F16 77 ENGINE INDICATIN...

Page 9: ...ock Rivet Removal 1E6 20 4 Identification of Aircraft Fluid Lines 1E8 21 1 Cabin Environmental System Installation 1E24 21 2 Heater and Combustion Air Blower Assembly 1F1 21 3 Diagrammatic Cutaway of...

Page 10: ...1H19 23 1 Communications Components Corporation ELT Schematic 1I3 23 2 ELT Using Fixed Aircraft Antenna Narco 1I4 23 3 ELT Portable Folding Antenna Narco 1I4 23 4 Narco ELT 10 Emergency Locator Trans...

Page 11: ...13 27 21 Methods of Securing Trim Cables 1L13 27 22 Stabilator Trim Controls 1L15 27 23 Wrapping Trim Barrels 1L18 27 24 Stabilator Trim Screw Adjustment 1L18 27 25 Flap Controls 1L20 27 26 Flap Step...

Page 12: ...F1 30 14 Wing Ice Lighting System 2F3 30 15 Ice Detection System 2F6 30 16 Heated Pitot and Heated Lift Detector Installation PA 44 180T 2F7 32 1 Main Gear Oleo Strut Assembly 2G1 32 2 Main Gear Servi...

Page 13: ...c Clock Installation cont 2L3 51 1 Skin Materials and Thickness Sheet 1 of 2 2L11 51 1 Skin Materials and Thickness Sheet 2 of 2 2L12 51 2 Baggage Compartment Inspection Hole Cutout Details 2L13 51 3...

Page 14: ...3a Electric Primer System PA 44 180 S N 44 95001 and up 3F7 73 4 Engine Primer System PA 44 180T 3F8 73 5 Adjustment of Engine Controls Sheet 1 of 2 PA 44 180 s n s 4495001 thru 44 8195026 and PA44 1...

Page 15: ...3H3 77 2 Electric Tachometer Installation 3H9 77 3 Cylinder Head Temperature Gauge Calibration S N 44 95001 and up 3H12 77 4 EGT Probe Installation PA 44 l80T 3H16 78 1 Inspection of Mufflers 3H21 79...

Page 16: ...System 2C1 2903 Hydraulic Pump Motor Characteristics 2C6 3001 Troubleshooting Pneumatic Deice System 2D7 3002 Operating Pressures 2D11 3003 Materials and Supplies for Cold Repair 2D18 3004 Troublesho...

Page 17: ...eshooting 3H11 7704 Exhaust Gas Temperature Troubleshooting 3H14 7901 Oil Pressure Sender Test Specifications 3I4 7902 Oil Pressure Gauge Troubleshooting 3I5 7903 Oil Temperature Indicators Troublesho...

Page 18: ...CHAPTER AIRWORTHINESS LIMITATIONS PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 1A18 PIPER AIRCRAFT...

Page 19: ...F CONTENTS EFFECTIVITY CHAPTER SECTION GRID SUBJECT SUBJECT NO EFFECTIVITY 4 00 00 AIRWORTHINESS LIMITATIONS 1A20 4 01 00 General 1A20 8 81 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 4 Cont Effec Page...

Page 20: ...safe life of the airframe structure will be released when the information becomes available 2 The safe life limit of the propeller blades is unlimited Note Refer to the LIMITATIONS in the Pilot s Ope...

Page 21: ...CHAPTER TIME LIMITS MAINTENANCE CHECKS PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 1A21 PIPER AIRCRAFT...

Page 22: ...5 12 00 Preflight Checks 1A24 5 13 00 Overlimits Inspection 1A24 5 20 00 SCHEDULED MAINTENANCE CHECKS 1B1 9R 6 95 5 21 00 Periodic Inspections 1B1 A 6 95 5 22 00 Programmed Inspection 1B13 8 82 5 50 0...

Page 23: ...THIS PAGE INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 1A23 PIPER AIRCRAFT...

Page 24: ...tion is required at each of the inspection intervals as indicated by a circle O If an item is not entirely accessible or must be removed refer to the applicable chapter of this manual for instructions...

Page 25: ...ote 19 6 Inspect propeller mounting bolts and safety Check torque if safety is broken 7 Inspect hub parts for cracks and corrosion 8 Rotate blades of constant speed propeller and check for tightness i...

Page 26: ...dents and cracks See Note 8 8 Clean and check oil radiator cooling fins 9 Remove and flush oil radiators CAUTION DO NOT USE MULTIGRADE OIL UNTIL HARTZELL SERVICE BULLETIN 142B IS COMPLIED WITH 10 Fil...

Page 27: ...lace magnetos See Note 7 24 Remove air filters tap gently to remove dirt particles and inspect condition of seal and filter material Replace as required 25 Inspect condition of air filter housing 26 I...

Page 28: ...stacks connections and gaskets Replace as required and refer to latest Piper Service Letter No 860 46 Check operation of alternate air door 47 Inspect muffler heat exchanger and baffles 48 Inspect br...

Page 29: ...e as necessary Inspect tur bocharger rotor for excessive play carbon and dirt deposits Remove turbine and compressor housings Inspect turbine wheel and impeller for physical damage and excessive build...

Page 30: ...ains 19 Inspect condition of heater controls and ducts 20 Inspect condition and operation of air vents E FUSELAGE AND EMPENNAGE GROUP 1 Remove inspection plates and panels 2 Inspect baggage doors latc...

Page 31: ...locknuts are tight 26 Inspect stabilator attachments 27 Inspect stabilator and tab hinge bolts and bearings for excess wear Replace as required 28 Inspect stabilator trim mechanism 29 Inspect aileron...

Page 32: ...ching parts for security routing chafing deterioration wear and correct installation See Note 24 11 Inspect fuel tanks and lines for leaks and water See Note 15 12 Check that fuel tanks are marked for...

Page 33: ...bush as required 20 Inspect drag end side brace link bolts Replace as required 21 Inspect gear doors and attachments 22 Inspect gear warning horn and light for operation 23 Retract gear check operatio...

Page 34: ...pection H OPERATIONAL INSPECTION cont 18 Check operation of flaps 19 Check manifold pressure indicating 20 Check operation of cowl flaps 21 Check operation of Autopilot including automatic pitch trim...

Page 35: ...dge type oil filters provided the element is replaced each 50 hours of operation Add oil additive LW 16702 at each 50 hour oil change The additive may be purchased thru Lycoming or Piper distribution...

Page 36: ...ion No 118 20 Refer to Flight Manual Supplement for preflight and flight check for intended function in all modes 21 Unless gear trunnion housing have been replaced with Piper P N s 67292 32 left and...

Page 37: ...e required to insure further safe flight 2 Hard or Overweight Landing This inspection should be performed after a known rough landing is made or when a landing is made while the aircraft is known to e...

Page 38: ...CHAPTER DIMENSIONS AND AREAS 1B14...

Page 39: ...0 00 DIMENSIONS 1B16 9R 6 95 6 11 00 STATION REFERENCE LINES 1B20 8 89 6 12 00 ACCESS AND INSPECTION PROVISIONS 1B21 9R 6 95 6 13 00 WEIGHT AND BALANCE DATA 1B21 8 89 6 14 00 SERIAL NUMBER PLATE 1B21...

Page 40: ...Aviation Grade Minimum Octane 100 130 100 or 100LL2 Magnetos Bendix TO and O 360 E1A6D D4RN 2021 D4RN 30211 D4RN 30002 LTO and LO 360 E1A6D D4LN 2021 D4LN 30211 D4LN 30002 Magnetos Slick O 360 A1H6 42...

Page 41: ...ne E 3 2 Same Right Engine E 3 2L E 8 2L3 Same Left Engine1 E 3 5 Same Right Engine1 E 3 5L E 8 5L3 Same NOTES 1 PA 44 180T ONLY 2 MEASUREMENT TAKEN AT 30 INCH STATION 3 SYNCHROPHASER INSTALLATION ONL...

Page 42: ...cCreary Type III 5 00 x 5 6 ply or B F Goodrich Type III 5 00 x 5 6 ply Tires Main McCreary Type III 6 00 x 6 8 ply or B F Goodrich Nylon Type III 6 00 x 6 8 ply Tire Pressure Nose 50 psi Gross Weight...

Page 43: ...RCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 6 10 00 Page 6 04 Revised June 20 1995 1B19 3 05m 10 2 54m 8 3 96 2 17m 7 1 56 0 64 m 2 1 20 3 84 m 12 7 14 3 21 m 10 6 5 2 59 m 8 6 00 2 56 m 8 4 80...

Page 44: ...ane WS 206 70 WL 49 23 WL 41 47 WL 30 31 WL 23 55 WL 27 50 WL 21 58 WS 75 57 WS 50 05 WS 24 24 BL 6 46 BL 7 56 BL 53 38 1 09 36 INCIDENCE AT W S 86 03 WS 123 15 WS 157 00 WS 231 95 WS 106 63 WS 93 67...

Page 45: ...panel WEIGHT AND BALANCE DATA When figuring various weight and balance computations the empty static and gross weight and center of gravity of the airplane may be found in the Weight and Balance Form...

Page 46: ...SYSTEM GASCOLATOR RUDDER TRIM CABLES HYDRAULIC LINES STABILATOR TRIM CABLES FLAP RETURN SPRINGS CONTROL SYSTEM PULLEYS AUTO PILOT ROLL SERVO 5 LOWER RUDDER HINGE 10 FUEL SYSTEM CONTROL CABLES ANCHORS...

Page 47: ...TOR LIGHTS VACUUM PRESS OIL PRESS 27 WING INTERIOR ENGINE CONTROL CABLES 28 WING INTERIOR FUEL SYSTEM VENT LINE 29 AILERON BELLCRANK ELECTRICAL SYSTEM AILERON CONTROL CABLES SYNCHROPHASER UNIT 30 FUEL...

Page 48: ...THIS PAGE INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 1B24 PIPER AIRCRAFT...

Page 49: ...CHAPTER LIFTING AND SHORING 1C1...

Page 50: ...AND SHORING TABLE OF CONTENTS EFFECTIVITY CHAPTER SECTION GRID SUBJECT SUBJECT NO EFFECTIVITY 7 10 00 JACKING 1C4 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 7 Cont Effec Page 1 Revised May 15 1989 1C...

Page 51: ...THIS PAGE INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 1C3 PIPER AIRCRAFT...

Page 52: ...ch a tail support to the tail skid Place approximately 600 pounds of ballast on the support to hold the tail down Refer to Figure 7 1 CAUTION IF THE PURPOSE FOR PLACING THE AIRPLANE ON JACKS IS TO SER...

Page 53: ...CHAPTER LEVELING AND WEIGHING 1C5...

Page 54: ...TABLE OF CONTENTS EFFECTIVITY CHAPTER SECTION GRID SUBJECT SUBJECT NO EFFECTIVITY 8 10 01 LEVELING 1C8 8 80 8 20 01 WEIGHING 1C9 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 8 Cont Effec Page 1 Revised...

Page 55: ...THIS PAGE INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 1C7 PIPER AIRCRAFT...

Page 56: ...ted immediately below the left front side window Refer to Figure 8 1 Place a spirit level on these screw heads and deflate the nose wheel tire or adjust the jacks until the bubble of the level is cent...

Page 57: ...es from rolling forward and tow the airplane up onto the scales Refer to Towing Chapter 9 3 Remove the ramp so as not to interfere with the scales 4 If the airplane is to be weighed for weight and bal...

Page 58: ...CHAPTER TOWING AND TAXIING 1C10...

Page 59: ...G TABLE OF CONTENTS EFFECTIVITY CHAPTER SECTION GRID SUBJECT SUBJECT NO EFFECTIVITY 9 10 00 TOWING 1C13 9 20 00 TAXIING 1C13 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 9 Cont Effec Page 1 Revised May...

Page 60: ...THIS PAGE INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 1C12 PIPER AIRCRAFT...

Page 61: ...ilot s seat to maintain control by use of the brakes TAXIING Before attempting to taxi the airplane ground personnel should be checked out by a qualified pilot or other responsible person Engine start...

Page 62: ...CHAPTER PARKING AND MOORING 1C14...

Page 63: ...TS EFFECTIVITY CHAPTER SECTION GRID SUBJECT SUBJECT NO EFFECTIVITY 10 10 00 PARKING 1C17 10 20 00 MOORING 1C17 10 21 00 Locking Airplane 1C17 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 10 Cont Effec P...

Page 64: ...lity protection and security under various weather conditions The following procedure gives the instruction for proper mooring of the airplane 1 Head the airplane into the wind if possible 2 Block the...

Page 65: ...CHAPTER REQUIRED PLACARDS 1C17...

Page 66: ...CONTENTS EFFECTIVITY CHAPTER SECTION SUBJECT GRID NO EFFECTIVITY 11 00 00 GENERAL 1C19 11 20 00 PLACARDS AND MARKINGS 1C19 9R 6 95 PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 11 Cont Ef...

Page 67: ...ALLION PIPER CONTROL WHEEL 50 PLACARD CABIN AIR 51 PLACARD DOME LIGHT MAXIMUM 52 PLACARD CIRCUIT BREAKER TOP 53 PLACARD CIRCUIT BREAKER CENTER 54 PLACARD CIRCUIT BREAKER BOTTOM 55 PLACARD EXTERNAL POW...

Page 68: ...and Decals Sheet 2 of 2 PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 11 20 00 Page 11 02 Revised June 20 1995 1C20 INSTRUMENT PANEL APLICABLE ONLY TO PA 44 180 S N s 44 7995001 THRU 44 81...

Page 69: ...BAT R ALT NON ESS MAIN BUS MAIN BUS BUS AVI BUS L Alt Field L Eng GRP L Fuel Pump Fuel Qty Start Acc Elec Tach R Alt Field R Eng GRP R Fuel Pump Ind Warn Cont Pwr Turn Bank Stall Detect Annun Pnl Anti...

Page 70: ...CHAPTER SERVICING 1C22...

Page 71: ...rut 1D5 12 21 03 Filling Main Gear Oleo Struts 1D6 12 21 04 Inflating Oleo Struts 1D7 12 21 05 Servicing Steering Bungees 1D7 12 22 00 Brake System 1D7 12 22 01 Filling Brake Cylinder Reservoir 1D7 12...

Page 72: ...ER SECTION SUBJECT GRID NO EFFECTIVITY 12 Cont Effec Page 2 Reissued July 30 1994 1C24 12 20 00 SCHEDULED SERVICING cont 12 28 00 Cleaning cont 12 28 06 Carpets 1D12 12 29 00 Lubrication Instructions...

Page 73: ...outine procedures as outlined in this section refer to the appropriate section for that component Figure 12 1 Service Points 1 ENGINE OIL FILL 8 MAIN GEAR STRUT 2 INDUCTION AIR FILTER 9 PROPELLER AIR...

Page 74: ...filters lines and tanks of moisture and foreign matter drains are incorporated at a point just aft of the right flap trailing edge DRAINING FUEL SYSTEM The bulk of the fuel may be drained by opening...

Page 75: ...he screen the engine should be examined for internal damage After cleaning and inspection place the screen inside the recess in the hex head plug to eliminate possible damage to the screen Insert the...

Page 76: ...with particles produced by impacting abrasion or pressure Evidence of internal engine damage found in the oil filter justifies further examination to determine the cause 3 After the filter has been re...

Page 77: ...plane on jacks as explained in Chapter 7 and place a pan under the gear to catch spillage 2 Remove the cap from the air valve and release the air pressure by depressing the valve core 3 Remove the val...

Page 78: ...ore and install the valve with a torque of 350 to 400 inch pounds 6 Attach one end of a clean plastic hose to the valve and submerge the other end well into a container of hydraulic fluid Note An air...

Page 79: ...16 safety wire 10 With the nose gear in the neutral position install the steering bungee into position The primary web must be in the vertical position with the retaining clip facing down safety wire...

Page 80: ...ert the 4 axle through the 8 pipe and place the wheel in the center of the balancer Make sure the axle is only on the chamfered edges of the balancer and that it is at 90 to the sides of the balancer...

Page 81: ...g Note A small vent hole is located under the vent screw head Retain 015 inch clearance between the screw head and the small vent hole With regards to the Oildyne pump installed on aircraft S N 44 950...

Page 82: ...ly of the carburetor air box to provide a source of heated air to the carburetor should there be an icing condition The following should be checked during inspection 1 Check that the air door seals ar...

Page 83: ...h micro switches 3 Allow the solvent to remain on the gear from five to ten minutes then rinse the gear with additional solvent and allow to dry 4 Remove the cover from the wheel and remove the catch...

Page 84: ...ould be applied to the windshield and windows The surfaces of the treated windshield will become so smooth that water beads up and flows readily off the surface Make sure to follow manufacturers instr...

Page 85: ...ear or damage to bearing surfaces Note If the airplane is inactive for long periods of time it should be lubricated in accordance with Lubrication Chart every 90 days APPLICATION OF OIL Whenever speci...

Page 86: ...INT BRAKE RESERVOIR SEE SPECIAL INSTRUCTION 4 AND CAUTION 1 MIL H 5606 AS REQUIRED 3 HYDRAULIC PUMP RESERVOIR SEE SPECIAL INSTRUCTION 4 AND CAUTION 1 MIL H 5606 100 HRS 4 MAIN GEAR DOWN LOCK ASSEMBLY...

Page 87: ...Figure 12 2 Lubrication Chart Landing Gear Main cont PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 12 29 03 Page 12 15 Revised June 20 1995 1D15 1 7 2 1 5 1 4 5 5A 6 2 3...

Page 88: ...UP SPECIAL INSTUCTION 2 MIL G 23827 100 HRS 5 EXPOSED OLEO STRUT SEE SPECIAL CARBON DIOXIDE RELEASE INSTRUCTION 4 AGENT DRY LUBRICANT S N S 4495001 AND UP SPECIAL INSTUCTION 2 MS 122N CO2 100 HRS 6 ST...

Page 89: ...Figure 12 3 Lubrication Chart Landing Gear Nose cont 4 A589 A588 2288 A580 2 6 2 2 3 2 2 2 5 1 2 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 12 29 03 Page 12 17 Revised May 15 1989 1D17 PIPER AIRCRAFT...

Page 90: ...LOCK MECHANISM TURN BUCKLE END TEE BAR PIVOT POINTS CONTROL COLUMN FLEX JOINT SPROCKET O RING AILERON STABILATOR CONTROL PULLEYS STABILATOR CONTROL ROD IDLER PULLEY SEE SPECIAL INSTRUCTIONS 2 AND 6 A...

Page 91: ...Lubrication Chart Control System Part 1 cont PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 12 29 03 Page 12 19 Revised June 20 1995 1D19 SKETCH A 1 1 3 2 2 1 2 SKETCH B SKETCH C 1 4 1 1 4...

Page 92: ...CONE NOSE DOOR HINGES BAGGAGE MAIN DOOR HINGES SEE SPECIAL INSTRUCTION 6 MIL L 7870 100 HRS 3 PILOT COPILOT SEAT ADJUSTMENT SEE SPECIAL INSTRUCTION 6 AND NOTE 1 MIL G 7711 500 HRS 4 DOOR LATCH MECHAN...

Page 93: ...STEERING ROD ENDS BRAKE ROD ENDS STABILATOR BELLCRANK PIVOT POINT CABLE ENDS SEE SPECIAL INSTRUCTION 6 AND CAUTIONS 2 AND 4 MIL L 7870 100 HRS SPECIAL INSTRUCTIONS 2 Bearings and Bushings Clean exteri...

Page 94: ...6 Lubrication Chart Control System Part 2 cont PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 12 29 03 Page 12 22 Revised June 20 1995 1D22 SKETCH A SKETCH B SKETCH C 2 2 2 2 2 2 2 2 1 1 1...

Page 95: ...BURETOR AIR BOX FLAPPER VALVE LUBRIPLATE 907 PURCH FISKE BROS REFINING CO 100 HRS SPECIAL INSTRUCTIONS 1 Air Filter To clean filter tap gently to remove dirt particles Do not blow out with compressed...

Page 96: ...A590 B874 A403 2 3 1 8 1 5 4 7 9 9 6 6 1 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 12 29 03 Page 12 24 Revised May 15 1989 1D24 Figure 12 7 Lubrication Chart Power Plant Propeller cont PIPER AIRCRAFT...

Page 97: ...Freon TT A 580 or MIL T 5544 Anti Seize Compound Fuel MIL T 5544 Anti Seize Graphite Petrolatum Landing Gear Air Valve 6PB Parker Oil MIL G 6032 Lubricating Grease Gasoline and Oil Resistant Pitot and...

Page 98: ...CHAPTER STANDARD PRACTICES AIRFRAME 1E2...

Page 99: ...00 Cherrylock Rivets Removal 1E6 A 8 80 20 04 00 Identification of Fluid Lines 1E7 20 10 00 AIRCRAFT FINISH CARE CLEANING 1E9 20 11 00 Exterior Surface 1E9 20 12 00 Windshield and Windows 1E9 20 13 0...

Page 100: ...20 1 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...

Page 101: ...ROPER TOOL RESULTING IN LOCKED BALL A SPECIAL WRENCH MAY BE REQUIRED WITH A LONG THROAT DAMAGE HERE DAMAGE HERE 901 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 20 02 00 Page 20 02 Revised May 15 1989 1...

Page 102: ...ill be used 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 See Views 2 and 3 3 Pry the remainder of the locking...

Page 103: ...ning toxic materials are marked TOXIC in place of FLAM Lines marked PHDAN contain physically dangerous materials such as oxygen nitrogen and freon The aircraft and engine manufacturers are responsible...

Page 104: ...OXYGEN BREATHING OXYGEN FUEL FUEL FUEL GAS COMPRESSED GAS COMPRESSED GAS COMPRESSED AIR INSTRUMENT AIR INSTRUMENT AIR PNEUMATIC PNEUMATIC PNEUMATIC PNEUMATIC LUBRICATION LUBRICATION LUBRICATION HYDRAU...

Page 105: ...2 Wash with mild soap and warm water or an aircraft plastic cleaner using a soft cloth or sponge and a straight rubbing motion Do not rub surfaces harshly 3 Remove oil and grease with a cloth moisten...

Page 106: ...n on the engine from five to ten minutes then rinse the engine clean with additional solvent and allow to dry CAUTION DO NOT OPERATE ENGINE UNTIL EXCESS SOLVENT HAS EVAPORATED OR OTHERWISE BEEN REMOVE...

Page 107: ...essary to brush areas that were sprayed where heavy grease and dirt deposits have collected in order to clean them 3 Allow the solvent to remain on the gear from five to ten minutes then rinse the gea...

Page 108: ...CHAPTER ENVIRONMENTAL SYSTEM 1E12...

Page 109: ...F2 21 42 02 Combustion Air Blower 1F2 21 42 05 Ventilating Air Blower 1F2 21 42 06 Operating Controls 1F4 21 42 07 Operating Procedure 1F4 21 43 00 Maintenance Service 1F5 21 43 01 Inspection of Heate...

Page 110: ...mbly of Pump 1F22 21 43 32 Installation of Heater Fuel Pump 1F22 21 43 33 Duct Switch 1F22 21 44 00 Overhaul Instructions 1F23 1 83 21 44 01 Disassembly of Heater 1F23 21 44 02 Disassembly of Combusti...

Page 111: ...e of System 1H10 21 53 00 System Components 1H11 21 53 01 Compressor 1H11 21 53 02 Removal of Compressor 1H11 21 53 03 Installation of Compressor 1H11 21 53 04 Compressor Oil Level Check 1H13 21 53 05...

Page 112: ...forward of the heater unit which are activated by the intake valve and wired to prevent both fan and heater operation unless the air intake valve is moved off the closed position Regulating the heater...

Page 113: ...ove the nozzle and clean orifice or replace it Suction leak ahead of pump Secure all fittings Fuel heater solenoid not Remove and check solenoid operating Replace if faulty Insufficient fuel pressure...

Page 114: ...hes Replace motor brushes Blower wheel jammed Remove and check the ventilating air blower wheel and realign if necessary Motor burned out Remove blower assembly and replace motor Defective radio noise...

Page 115: ...wer speed Remove and overhaul the fluctuates Can be caused by combustion air blower assembly low voltage loose blower as required or correct low wheel worn brushes or motor voltage condition High volt...

Page 116: ...d outlet hoses from the blower assembly by removing the clamps 4 Remove the screws washers and nuts that secure the blower assembly to the hanger braces 5 Remove the screws and washers which secure th...

Page 117: ...lant to fill any opening left after the wires are brought through the grommets 5 Install the wires in the plug and receptacle according to Chart 2102 6 Position the blower fin on the motor shaft and s...

Page 118: ...eater and fuel source Then tighten the fuel line connection 7 Reconnect the wire H10A to the heater terminal No 2 8 Place the air intake lever in the OPEN position and the temperature control lever in...

Page 119: ...uel air mixture in the combustion chamber of the heater Aviation gasoline is injected into the combustion chamber through the spray nozzle The resulting cone shaped fuel spray mixes with combustion ai...

Page 120: ...LE 7 CABIN AIR DUCTS 8 OVERHEAD VENTILATOR DUCT 9 CABIN AIR EXHAUST 10 OVERHEAD VENT BLOWER 11 DRAIN TUBE 12 FRESH AIR INLET EARLIER MODELS 13 FRESH AIR INLET LATER MODELS 2311 A PA 44 180 180T AIRPLA...

Page 121: ...7 CYCLING SWITCH 8 EXHAUST OUTLET 9 HEATER JACKET 10 FUEL SOLENOID SHROUD 11 PRESSURE SWITCH 12 HEATER BLOWER ASSEMBLY 13 AIR VALVE CONTROL CABLE 14 AIR VALVE SWITCHES 15 HOURMETER OPTIONAL PA 44 180...

Page 122: ...downward through a range of 146 F 6 The switch has a differential of 15 F 5 at any given setting COMBUSTION AIR BLOWER This centrifugal type blower supplies combustion air to the combustion chamber of...

Page 123: ...Figure 21 4 Fuel Regulator and Shutoff Valve A360 CONTROL CABLE ATTACHMENT 140 40 Figure 21 5 Top View Duct Switch PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 21 42 05 Page 21 12 Revised May 15 1989 1F...

Page 124: ...nly the ventilating air blower is energized OPERATING PROCEDURE 1 Place the master and heater switches in their ON position and place the air intake lever in the OPEN position The ventilating air and...

Page 125: ...pose of maintaining the heating system in peak operating condition These inspections assume that a heating system includes accessory components mentioned in preceding paragraphs INSPECTION OF HEATER A...

Page 126: ...5 Inspect the high voltage cable connection at the spark plug to make sure it is tight Examine the cable sheath for any possible indications of arcing which would be evidenced by burning or discolora...

Page 127: ...r blower inlet hose to the combustion air blower assembly on the heater and secure in place with the clevis pin and cotter key 5 Connect the fuel and water drain lines to the bottom of the heater 6 Co...

Page 128: ...RING DIAGRAM IS FOR REFERENCE PURPOSES ONLY REFER TO CHAPTER 91 FOR AIRCRAFT WIRING PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 21 43 07 Page 21 17 Revised May 15 1989 1F8 Figure 21 7 Wiring Diagram PI...

Page 129: ...DIAGRAM IS FOR REFERENCE PURPOSES ONLY REFER TO CHAPTER 91 FOR AIRCRAFT WIRING PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 21 43 07 Page 21 18 Revised May 15 1989 1F9 Figure 21 8 Primary Power Circuit...

Page 130: ...of the heater terminal strip through the radio noise filter to the ventilating air motor C Electrical ground circuit for the ventilating air motor is provided from terminal No 5 of the heater terminal...

Page 131: ...nal No 3 of the terminal strip through the cycling switch to the fuel solenoid valve In the event that voltage is not present at one or more of the above listed points the wiring must be traced back t...

Page 132: ...increase the speed until it is rotating at approximately normal speed Continue the run in operation for at least two hours to properly seat the brushes before installing the blower in the aircraft 3 I...

Page 133: ...etal attaching screws F Connect the wire lead at the quick disconnect terminal G Connect the ground lead securely to the mounting bracket H Check motor operation By disconnecting the wire at the No 3...

Page 134: ...cked any time a plug is replaced or at the time of heater overhaul A spark gap greater than that specified can shorten the life of the ignition assembly There are several methods in which the spark ga...

Page 135: ...the gasket does not hold on the threads and would be likely to fall off during installation place a small drop of Aviation Permatex or similar material on the gasket to stick it temporarily to the pl...

Page 136: ...ery to the test fixture in which is included an ammeter with a range of 0 3 amperes and a normally open momentary closed switch The total resistance of the lead including the ammeter and switch must n...

Page 137: ...nd the exposed portion of the vibrator will help to grip the vibrator for removal 3 Install the new vibrator with the index marks aligned The connector pins on the vibrator can be felt entering the pi...

Page 138: ...hould be replaced 2 Installation Refer to Figure 21 18 A Install the limit switch and spacers gaskets by placing them in position in the heater jacket opening and installing two screws B Tighten screw...

Page 139: ...ss to the regulator and disconnect the electrical leads from regulator and shutoff valve 3 Disconnect the fuel line from the outlet port and remove the regulator from the heater fuel pump Cap all open...

Page 140: ...and replacing parts that are worn or broken REMOVAL OF HEATER FUEL PUMP The heater fuel pump is located on the upper left side of the forward bulkhead assembly Access is obtained by lowering the nose...

Page 141: ...l cup valve plunger spring and plunger from the tube CLEANING OF PUMP 1 Wash all pans in cleaning solvent and blow out with air pressure 2 If plunger does not wash clean or if there are any rough spot...

Page 142: ...re INSTALLATION OF HEATER FUEL PUMP 1 Position the fuel pump on the forward bulkhead assembly and secure in place with bolts 2 Connect the regulator to the pump outlet and the fuel line to the pump in...

Page 143: ...he four screws and cable straps to free the ignition assembly from the heater jacket and remove the ignition assembly The vibrator may be removed by releasing the clamp and exerting a firm pull straig...

Page 144: ...ventilating air blower motor out of the blower housing with the motor bracket assembly and blower wheel attached Loosen the set screw in the blower wheel and slide it off the end of the motor shaft Th...

Page 145: ...AMP DRILL OUT TO NECESSARY DIAMETER RUBBER STOPPER COMBUSTION HEAD OPENING EXPANSION PLUG SEAL CAP 125 THICK STOCK 19 DIA HOLES 6 EQUALLY SPACED 4 20 DIA 3 62 DIA 427 3 1 WATER MANOMETER 2 OHMMETER 3...

Page 146: ...med should be replaced Slight deformation will not affect heater operation unless it is extensive and localized enough to reduce the flow of ventilating air through the heater more than 10 percent Ins...

Page 147: ...off visibly eroded or carbon tracked the ignition assembly should be replaced Note Do not attempt a field repair of the ignition unit as it is a sealed assembly 7 Inspect the terminal strip for distor...

Page 148: ...and combustion air motors 2 Test the combustion tube assembly for leaks as follows A Fashion a sealing plate from approximately 1 8 inch thick flat stock to seal the combustion head opening in the co...

Page 149: ...for bubbles which would indicate leakage If bubbles appear at either fuel fitting there is a leak in the fuel tube If bubbles appear externally on the shroud tube or at either end of the shroud tube...

Page 150: ...BOW 6 HEAD ASSEMBLY COMBUSTION 20 FASTENER 34 ELBOW 7 TUBE ASSEMBLY COMBUSTION 21 NOZZLE FUEL 35 STRIP TERMINAL 8 FUEL FEED AND NOZZLE HOLDER ASSY 22 SOLENOID ASSEMBLY FUEL 36 INSULATOR TERMINAL STRIP...

Page 151: ...and for a clearance check Then apply the appropriate voltage to run the motor as a final clearance check 7 Attach the inlet adapter to the end of the blower housing with three screws and lock washers...

Page 152: ...R 15 SPACER 5 MOTOR ASSEMBLY COMBUSTION AIR BLOWER 16 WASHER 6 SET SCREW BLOWER FAN 17 LOCK NUT AN345 10 7 FAN COMBUSTION AIR BLOWER 18 SCREWS 8 HOUSING BLOWER INNER HALF 19 SPACER 9 STRAP CABLE 20 SW...

Page 153: ...efer to the wiring diagram Figure 21 7 Place the grommet refer to Figure 21 18 in position in the jacket locate the ventilating air blower at the end of the jacket Thread the quick disconnect on the m...

Page 154: ...UMP 24 MIN 6 APPROX TERMINAL STRIP 2 25 DIA ORIFICE THERMOMETER OVERHEAT LIMIT SWITCH DUCT SWITCH CYCLING SWITCH DUCT DRAIN HEATER EXHAUST OUTLET COMBUSTIONAIR PRESSURE SWITCH COMBUSTION AIR BLOWER VE...

Page 155: ...being tested A 2 25 inch diameter orifice should be centrally located at the outlet end An aperture should be provided for the thermometer and duct switch and a static tap should be attached as shown...

Page 156: ...r across the cycling switch terminals to check operation of the overheat switch Block the ventilating air outlet and notice if the overheat switch shuts off the heater It should open at between 300 F...

Page 157: ...osition clamps on hourmeter as indicated in Figure 21 23 2 Secure first clamp to ignition assembly bracket using screw MS35206 242 3 Secure second clamp to ignition assembly using remaining screws 4 A...

Page 158: ...ion TERMINAL BLOCK TOP VIEW LIGHT NOT USED SCREW MS35206 242 SCREW BRACKET FWD SIDE VIEW END VIEW HEATER IGNITION ASSY HOUR METER CLAMPS PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 21 47 02 Page 21 47...

Page 159: ...of an air conditioning ON OFF control a two position fan control LOW HIGH and a temperature control The air conditioning system uses Refrigerant 12 The refrigerant enters the compressor as a vapor Th...

Page 160: ...mpressor dirt under valves Damaged compressor Worn or Replace compressor broken piston or piston rings Low suction pressure Low air supply through Repair blower or blower motor Accompanied by icing ev...

Page 161: ...age to clutch coil Clean clutch surfaces of oil Leaking or broken compressor Replace compressor valve Trouble Causes Remedy System produces no cooling Electrical Blown fuse in control head Replace fus...

Page 162: ...ne Examine all lines for evidence of breakage by external stress or rubbing wear Leak in system Evacuate system apply static charge leak test system and repair leak as necessary Compressor shaft seal...

Page 163: ...uge readings stabilize to specifications Clogged screen in expansion Purge system and replace valve expansion valve Expansion valve thermal bulb Purge system replace expansion has lost charge valve Cl...

Page 164: ...y Check mountings and repair remove compressor for service replacement Compressor oil level low Fill with correct amount of specified oil Refrigeration Excessive charge in system Discharge excess freo...

Page 165: ...REFRIGERANT LINE FITTING TORQUES FITTING SIZE TORQUE IN LBS 4 135 5 170 6 215 8 430 10 620 B952 3 2 4 4 1 1 COMPRESSOR ASSEMBLY 2 EVAPORATOR ASSEMBLY 3 CONDENSER ASSEMBLY 4 GROMMET PA 44 180 180T AIRP...

Page 166: ...2 144 76 23 1 23 148 77 23 8 24 152 78 24 6 25 156 79 25 3 26 160 80 26 1 27 162 81 26 8 28 165 82 27 6 29 167 83 28 4 30 170 84 29 2 31 172 85 30 32 172 85 30 9 33 177 87 31 7 34 180 88 32 5 35 182 8...

Page 167: ...t the actual temperature of the air passing over the coils of the evaporator will be several degrees warmer allowing for a temperature rise caused by the loss in the fins and tubing of the evaporator...

Page 168: ...void the possibility of dirt entering the eye D Rush to a physician or hospital for immediate professional aid E DO NOT ATTEMPT TO TREAT IT YOURSELF 3 If liquid R 12 strikes the skin frostbite can occ...

Page 169: ...all flare fitting and O ring joints See Chart 2106 CHART 2106 ALUMINUM TUBING TORQUE SERVICE VALVES The purpose of the service valve is to service the air conditioning system Testing Bleeding Evacuat...

Page 170: ...d 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...

Page 171: ...DIAGRAM A DIAGRAM B DIAGRAM C DIAGRAM D OFF CLOSED CRACKED CRACKED CRACKED CRACKED CLOSED CLOSED CLOSED LOW LOW LOW LOW HIGH HIGH HIGH HIGH PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 21 52 04 Page 21...

Page 172: ...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 valv...

Page 173: ...is now ready to evacuate DISCHARGING THE SYSTEM Required only if the system contains refrigerant Note Applies to Kent Moore J23500 or similar charging station Refer to Figure 21 29 1 Close all valves...

Page 174: ...o Figure 21 28 3 The high and low manifold hand valves should be in the closed position Refer to Figure 21 25 and 21 26 4 Connect the center manifold hose to the inlet of the vacuum pump Note Make sur...

Page 175: ...e s compressor CHARGING STAND METHOD Note The following instructions apply to Kent Moore J23500 charging stand Refer to Figure 21 29 1 With the system discharged and evacuated proceed to hook up the c...

Page 176: ...LOOSE OBJECTS LYING ON THE RAMP ONLY THE SERVICE VALVE LOCATED ON THE EVAPORATOR ASSEMBLY SHOULD BE USED FOR TESTING 1 With the system evacuated connect the refrigerant charging hose to the manifold r...

Page 177: ...e system and more refrigerant is required This check should be made with OAT of 70 F or higher and with the air conditioner opening 9 If more refrigerant must be added to the system open the low press...

Page 178: ...on maximum cool 5 Remove the plastic plug from the sight glass in the top of the receiver dehydrator 6 With a low refrigerant charge in the system bubbles will be seen passing thru the sight glass wh...

Page 179: ...the off position 2 Remove engine cowling 3 Disconnect the electrical leads to the magnetic clutch on the compressor 4 Depressurize the air conditioning system 5 Remove the suction and discharge line f...

Page 180: ...ck A654 OIL FILLER HOLE TOP VIEW ALUMINUM PLANETPLATE THRUST BEARING CAST IRON CAM ROTOR CASTING MARK SHOWING ROTOR AT TOP DEAD CENTER A653 TURN CLUTCH FRONT PLATE CLOCKWISE BY 110 APPROXIMATELY CLUTC...

Page 181: ...nter Refer to Figure 21 31 by rotating the clutch front plate until the casting mark is visible in the center of the hole 5 Rotate the clutch front plate clockwise by approximately 110 Refer to Figure...

Page 182: ...dehydrator is mounted in the evaporator assembly housing REMOVAL OF RECEIVER DEHYDRATOR 1 Discharge the system of all refrigerant 2 Uncouple the refrigerant lines at the receiver dehydrator 3 Remove...

Page 183: ...S N 44 8107027 and Up Only 3016 B961 A A B B BLOWER MOTOR B B A A SCOOP SKIN DUCT DUCT DUCT SEAL SEAL SEAL SEAL CONDENSER CONDENSER CONDENSER PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 21 53 09 Page...

Page 184: ...in the condenser suction line clamp is attached to the condenser duct as shown in Figure 21 33 4 Install twelve screws and washers which secure the blower duct at the blower inlet 5 Tighten all screws...

Page 185: ...the system Check for leaks 4 Replace access panels EVAPORATOR ASSEMBLY The evaporator assembly consists of the evaporator core receiver dehydrator expansion valve circulating fan and pressure switch...

Page 186: ...not tighten at this time 3 Line up the mounting bracket with mating holes in mounting panel insert screws and tighten Tighten screws in the flange at this time Be certain gasket is in place The flang...

Page 187: ...HT GLASS 2 SERVICE VALVE SCHRADER HIGH 3 CAPILLARY COIL 4 HOUSING ASSEMBLY 5 SERVICE VALVE SCHRADER LOW 6 RECEIVER DEHYDRATOR CLAMP 7 RECEIVER DEHYDRATOR 8 PRESSURE RELIEF SWITCH RANCO 9 EXPANSION VAL...

Page 188: ...in the climate control center on the right side of the instrument panel The harnesses cross the instrument panel to the left side where two wires are taken off for the compressor clutch The harness th...

Page 189: ...CHAPTER AUTOFLIGHT 1H21...

Page 190: ...RIGINAL DESIGN PART BECAUSE THE FAIL SAFE CHARACTERISTICS OF THE SYSTEM MIGHT BE COMPROMISED REFER TO THE P O H FOR GROUND CHECK OF ELECTRIC PITCH TRIM SYSTEM BEFORE THE FIRST FLIGHT AFTER SERVICING A...

Page 191: ...d service literature Bendix Avionics Division 2100 N W 62nd Street Fort Lauderdale Fla 33310 305 776 4100 TWX 5109559884 Collins General Aviation Division Rockwell International Cedar Rapids Iowa 5240...

Page 192: ...CHAPTER COMMUNICATIONS 1H24...

Page 193: ...d 4495001 thru 4495007 and all PA 44 180T s 1I3 9R 6 95 23 13 02 Battery Removal and Installation 1I3 A 2 81 23 13 03 Narco ELT 910 Battery Removal and Installation S n s 4495008 and up 115 9R 6 95 23...

Page 194: ...he CIR 11 2 ELT s originally installed in the PA 44 180 used a lithium sulfur dioxide battery Refer to Piper Service Letter 820 for instructions on converting CIR 11 2 ELT to alkaline battery per AD 7...

Page 195: ...AND INSTALLATION CAUTION INSPECT THE EXTERNAL WHIP ANTENNA FOR DAMAGE DO NOT BEND WHIP ANY SHARPLY BENT OR KINKED WHIP MUST BE REPLACED ANTENNA DAMAGE WILL CAUSE STRUCTURAL FAILURE OF WHIP IN FLIGHT...

Page 196: ...ANTENNA EXTENSION TAB NOTCH PIN STOP PORTABLE ANTENNA OPERATIVE BUT STORED VIEW A VIEW B PULL TAB TO E XTEN D FU LL LE N GTH ANTENNA POPS OUT OF CHANNEL AND DOWN ANTENNA EXTENSION TAB SET ON OFF ARM...

Page 197: ...and fasten the strap latch 13 Connect the antenna coaxial cable to the ELT and ensure that the contact separator is inserted between the antenna contact finger and the portable antenna Refer to Figure...

Page 198: ...ional check Refer to Testing Emergency Locator Transmitter 17 Install access panel Figure 23 5 Narco ELT 910 Emergency Locator Transmitter Schematic S N s 4495008 and up TESTING EMERGENCY LOCATOR TRAN...

Page 199: ...is completed ensure transmitter ON ARM OFF is in the ARM position Whenever unit is checked by moving transmitter ON ARM OFF switch from ARM to ON position it must first be moved to OFF position before...

Page 200: ...RM or 2 Position the switch on the E L T to ON then immediately repositioning it to OFF ARTEX 110 ELT BATTERY REMOVAL AND INSTALLATION Refer to Figures 23 7 and 23 8 1 Disconnect and remove positive c...

Page 201: ...nearest FAA traffic Control Tower or Flight Service Station prior to the test 3 Test should be no longer than three audio sweeps 4 Tune airplane communications receiver to 121 5 mHz Check that aircra...

Page 202: ...CHAPTER ELECTRICAL POWER 1I10...

Page 203: ...00 Voltage Regulators and Overvoltage Relays S N 44 7 995001 thru 44 8195026 and all PA 4 180T s 1J3 9R 6 95 24 33 01 Removal of Voltage Regulators and Overvoltage Relays S N 44 7 995001 thru 44 8195...

Page 204: ...44 8195026 and all PA 4 180T s 1J9 9R 6 95 24 33 10 Lamar Model No B00392 1 Alternator Voltage Regulator S n s 4495001 and up 1J9 9R 6 95 24 33 10 Lamar Model No B 00392 1 Voltage Regulator Operation...

Page 205: ...s forward and down The electrical and avionic equipment is protected from regulator malfunction by an overvoltage relay The individual circuits are protected from overloads and shorts by resettable ci...

Page 206: ...lternator field terminal Interruption of voltage through any of these points isolates the faulty components or wire which must be placed See wiring schematic Open output circuit With master switch tur...

Page 207: ...or through 360 of travel If resistance is high check brushes for spring tension and excessive wear and replace if necessary If brushes are okay and field reads open replace alternator Output indicated...

Page 208: ...x rectifiers pressed into the rear bell housing of the alternator open up internally it will result i a definite limitation on the current that can be drawn from the alternator After having checked th...

Page 209: ...ld can occur at various positions of the rotor there fore reconnect field reset breaker CAUTION TURN MAGNETO SWITCH TO OFF BEFORE TURNING PROPELLER Pull propeller slowly by hand turning alternator rot...

Page 210: ...n the airplane due to any fault in the alternator system Excessive ammeter fluctuation Excessive resistance in field Check all connections and circuit wire terminals in field circuit for deterioration...

Page 211: ...due to level of Maintain electrolyte electrolyte being below top of plates Sulfation due to disuse Replace Impurities in electrolyte Replace battery Low charging rate Check voltage regulator voltage C...

Page 212: ...lways recharge battery for charged immediately 1 2 hour following addition of water in freezing weather Leaking battery jar Frozen Replace Battery polarity reversed Connected backwards on airplane Bat...

Page 213: ...rmally if the following principles are kept in mind Note The amount of current shown on the ammeter is the total load in amperes that is demanded by the electrical system from the alternator As a chec...

Page 214: ...If a booster battery or fast charger is used its polarity must be connected correctly to prevent damage to the electrical system components CHECKING ALTERNATOR BELT TENSION If properly installed tens...

Page 215: ...N BATTERY The battery is located in the nose of the aircraft and is accessible by opening the hinged fiberglass nose which tips forward and then removing the battery box cover Refer to Figure 24 2 Not...

Page 216: ...3 2 1 1 BATTERY BOX COVER 2 BATTERY BOX ASSEMBLY 3 POWER RELAY 4 STARTER SOLENOID 5 STARTER SOLENOID 6 VENT TUBES 7 MASTER RELAY DIODE PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 24 31 02 Page 24 12 Re...

Page 217: ...nnections in the circuit are secure 5 Do not short across or ground any of the terminals on the alternator or regulator 6 Do not attempt to polarize the alternator SERVICING BATTERY The battery should...

Page 218: ...with a vent and drain system The vent allows fresh air to enter the box and draw off fumes that may accumulate due to the charging process of the battery The drain is capped at the bottom of the fuse...

Page 219: ...tom units are connected to the right side 1 Identify the voltage regulator or overvoltage relay to be tested 2 Remove the wires connected to the unit and label or otherwise identify them to facilitate...

Page 220: ...95001 thru 44 8195026 and all PA 44 180T s PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 24 23 02 Page 24 16 Revised June 20 1995 1J4 VOLTAGE REGULATORS NOSE DECK FORWARD OVERVOLT AGE RELA...

Page 221: ...plied to the BUS terminal increases due to a greater engine speed or reduced loading of the electrical system the comparison transistor Q1 will act to reduce current now to the driver transistors Q2 Q...

Page 222: ...battery must be in good condition and fully charged 10 Use only an accurate voltmeter and ammeter of the best quality 11 A carbon pile connected across the battery may be used to load the charging ci...

Page 223: ...stance voltage drop test Recheck the voltmeter for accuracy and repeat the entire operating test ADJUSTING LAMAR MODEL NO B 00288 1 REGULATOR 1 Lamar B 00288 1 regulators are normally used in parallel...

Page 224: ...and position master switch OF 9 Replace the connection to the PAR terminal Remove all voltmeter leads and test equipment BALANCING CIRCUIT OPERATION OF LAMAR MODEL NO B 00288 1 REGULATOR Considering t...

Page 225: ...nt may be connected as follows 1 B is connected to BAT terminal of the overvoltage control 2 B is connected to the frame of the overvoltage control 3 Be sure both connections are secure and connected...

Page 226: ...ther The equalizer connection will NOT cause a failure in one system to disable the other normal operating system 9 The equalizer circuit may be faulted to either ground or the bus with no damage to e...

Page 227: ...ne to the lowest possible RPM to reduce sparking and shut down the right engine 5 Turn all electrical equipment OFF and remove the jumper cable plug from the aircraft 6 Turn the aircraft MASTER SWITCH...

Page 228: ...CHAPTER EQUIPMENT FURNISHINGS 1J12...

Page 229: ...NT 1J14 A 6 95 25 10 00 Rigging Instructions Seat Back Lock and Release 1J14 A 6 95 25 10 00 LUMBAR SEATS 1J14 A 6 95 25 10 00 Description 1J14 A 6 95 25 10 00 Removal of Lumbar Bladder 1J15 A 6 95 25...

Page 230: ...the lower surface of bushing of the seat back release 3 Adjust the push pull cable by raising or lowering it until the lower surface of the stop assembly is par allel to the straightedge 4 Secure the...

Page 231: ...r INSTALLATION OF LUMBAR BLADDER NOTE An installation kit is required for airplanes not previously equipped with a lumbar support Refer to Piper s Illustrated Parts Catalog for kit part number 1 If ne...

Page 232: ...Figure 25 2 Lumbar Seat Bladder Installation PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 25 10 00 Page 25 3 Added June 20 1995 1J16...

Page 233: ...CHAPTER FIRE PROTECTION 1J17...

Page 234: ...OF CONTENTS EFFECTIVITY CHAPTER SECTION SUBJECT GRID NO EFFECTIVITY 26 00 00 GENERAL 1J19 PR 6 95 26 20 00 Extinguishing 1J19 PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 26 Cont Effec P...

Page 235: ...owards the base of the fire source as it is extinguished Releasing the lever closes a secondary seal inside the operating head This interrupts the flow of extinguishant thus retaining part of the char...

Page 236: ...st to the effects of the temperature they may be eliminated by allowing the unit to remain at room temperature then reading the gauge 70 F 2 6 year tear down inspection 3 12 year hydro static test Not...

Page 237: ...1J21THRU 1J23 INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 1J21 PIPER AIRCRAFT...

Page 238: ...CHAPTER FLIGHT CONTROLS 1J24...

Page 239: ...ly 1K12 9R 6 95 27 10 01 Installation of Control Column Assembly 1K14 9R 6 95 27 10 02 Aileron Control Cables 1K16 27 10 02 Removal of Aileron Control Cables 1K16 9R 6 95 27 10 02 Installation of Aile...

Page 240: ...1 02 Installation of Stabilator Control Cables 1L10 9R 6 95 27 32 00 Rigging and Adjustment of Stabilator Controls 1L12 9R 6 95 20 33 00 Stabilator Trim 1L14 27 33 01 Removal of Forward Stabilator Tri...

Page 241: ...be helpful where applicable in the individual control system procedures 1 Turnbuckles must be assembled and adjusted in a manner that each terminal end is screwed an approximately equal distance into...

Page 242: ...d End Installation Method PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 27 00 00 Page 27 2 Revised June 20 1995 1K4 120 110 100 90 80 70 60 50 40 30 20 TEMPERATURE DEGREES FAHRENHEIT 10 8...

Page 243: ...nce that broken wires do not exist Figure 2A shows a cable with broken wires that were not detected by wiping but were found during a visual inspection The damage became readily apparent Figure 27 2B...

Page 244: ...rtain conditions the rate of this type wear can be greater than that occurring on the surface Figure 27 3 Cable Wear Pattern Figure 27 4 Internal Cable Wear PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAIN...

Page 245: ...YLKETONE MEK OR OTHER SOLVENTS TO REMOVE CORROSION PREVENTATIVE COMPOUNDS AS THESE METHODS WILL ALSO REMOVE CABLE INTERNAL LUBRICANT CABLE FITTINGS Check swaged terminal reference marks for an indicat...

Page 246: ...operation CHART 2702 TROUBLESHOOTING CONTROL SURFACES PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 27 01 00 Page 27 6 Revised June 20 1995 1K8 Trouble Lost motion between control wheel a...

Page 247: ...n place on pulleys Bent aileron and or hinge Cables crossed or routed incorrectly Incorrect control column rigging Incorrect rigging of aileron system Aileron control rods not adjusted properly Ailero...

Page 248: ...l torque tube bearing in need of lubrication Cable tension too high Pulleys binding or rubbing Cables not in place on pulleys Cables crossed or routed incorrectly Rudder cables incorrectly rigged Rudd...

Page 249: ...roperly Cable tension too high Binding control column Pulleys binding or rubbing Cables not in place on pulleys Cables crossed or routed incorrectly Bent stabilator hinge Stabilator stops incorrectly...

Page 250: ...7 10 01 Page 27 10 Revised June 20 1995 1K12 Trouble Trim control wheel moves with excessive resistance Trim tab fails to reach full travel Trim indicator fails to indicate correct trim position Troub...

Page 251: ...T ASSY 4 TUBE CONTROL WHEEL 5 CONTROL WHEEL L R 6 TURNBUCKLE 7 TEE BAR ASSY 8 O RING 9 WASHER CONTROL WHEEL 10 PLATE CONTROL WHEEL 11 WASHER CONTROL WHEEL 12 SPACER STOP 13 SPROCKET LEFT CONTROL WHEEL...

Page 252: ...the floor tunnel B Connect the stabilator control cables to the lower end of the tee bar with bolt washer nut and cotter pin Allow the cable ends free to rotate C Place the aileron control cables aro...

Page 253: ...stall Flex Joint Replacement Refer to Figures 27 6 and 27 7 A Carefully lay out location for hole to be drilled in flex joint tube to match hole in control column shaft B Using a 5 0 2055 drill bit dr...

Page 254: ...e cotter pin from the exposed end of the guard and sliding it to the left or right as required H Remove the cotter pins used as cable guards at the pulley in the forward area of the floor opening aft...

Page 255: ...ONTROL 18 CABLE RIGHT BALANCE 5 BRACKET PULLEY 19 CABLE LEFT BALANCE 6 BELLCRANK AILERON 20 ROD CABLE GUARD 7 ROD AILERON CONTROL 21 BOLT WASHER NUT 8 PULLEY TEE BAR 22 BOLT WASHER NUT 9 PULLEY FORWAR...

Page 256: ...and upper selector covers and secure with screws L Place the fuel selector knobs in place and secure with set screws 2 To install primary control cable in the left or right wing A Draw the control cab...

Page 257: ...crank pivot bushing and teflon tube are installed in the torque tube portion of the bellcrank 2 Place the bellcrank in position in the wing with a washer located between each end of the torque tube an...

Page 258: ...Figure 27 10 Aileron Rigging PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 27 10 05 Page 27 18 Revised June 20 1995 1K20...

Page 259: ...sary operation B Loosen the connecting bolts of the idler crossover sprockets at the control tee bar to allow the chain to fit snug around the control wheel sprockets and over the idler sprockets then...

Page 260: ...g it to the left or right as required H Disconnect the end of the cable from the arm on the rudder pedal torque tube by removing the cotter pin nut washer and bolt I Draw the cable from the floor tunn...

Page 261: ...995 1K23 1 RUDDER STEERING PEDAL ASSEMBLY 2 BOLT WASHER NUT COTTER PIN 3 BOLT BUSHINGS WASHER NUT 4 GUARD PIN CABLE 5 PULLEY CLUSTER 6 RUB BLOCKS 7 PULLEY CLUSTER 42 8 BOLT BUSHINGS WASHER NUT 9 CABLE...

Page 262: ...r in the other direction and check travel as directed in Step B D Should the rudder travel be incorrect showing a gap between the tool and any part of the control surfaces the fairing should be remove...

Page 263: ...ised June 20 1995 1L1 CABLE TENSION RUDDER TRAV ELS MAIN 40 LBS 5 LBS TRIM 10 LBS 1 LB SEE NOTE RUDDER TRAVELS A 37 1 0 RUDDER TAB TRAVELS B 26 2 NOTE CABLE TENSION APPLIES ONLY TO AIRPLANES WITH OUT...

Page 264: ...the floor tunnel 3 To remove trim control wheel and forward cables A Block the aft cables aft of the turnbuckles B Remove the tunnel cover in the aft area of the cabin by removing the carpet and heate...

Page 265: ...through the floor tunnel and route them through the pulley clusters at station 127 175 and 85 0 B Wrap the cable drum and install the trim control wheel as given in Step 1 C Position the cables over t...

Page 266: ...Controls PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 27 20 04 Page 27 26 Revised June 20 1995 1L4 1 TRIM SCREW 2 PUSH ROD 3 PULLEY CLUSTER 4 TURNGBUCKLES 5 PULLEY CLUSTER 6 PULLEY CLUST...

Page 267: ...e been completed before proceeding with the rigging and adjustment of the tab If these items were accomplished during the installation proceed with Step 2 A Check that the cable is wrapped 11 turns ar...

Page 268: ...ts 10 Disconnect the brake cylinders at the lower end of each cylinder rod by removing the cotter pins washers nuts and bolts 11 Disconnect the vee braces two braces are used with right hand brakes fr...

Page 269: ...Figure 27 17 Rudder Pedal Assembly PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 27 20 05 Page 27 29 Revised June 20 1995 1L7...

Page 270: ...ension and check rigging and adjustment 16 Check aileron cable tension 17 Check safety of bolt and turnbuckles 18 Install the floor tunnel plate and secure with screws Fasten the tunnel carpet in plac...

Page 271: ...PULLEY FORWARD 2 CABLE RIGHT FORWARD 13 BOLT WASHER NUT COTTER PIN 3 CABLE LEFT FORWARD 14 TURNBUCKLE 4 CABLE LEFT LOWER AFT 15 WEIGHT BALANCE ARM 5 CABLE RIGHT UPPER AFT 16 BALANCE ARM STABILATOR 6...

Page 272: ...l F Within the forward area of the floor opening aft of the main spar install the cable rub blocks to the spar housing and secure with screws G In the aft area of the floor opening install the cotter...

Page 273: ...UT AUTOPILOT BRIDLE CABLES ATTACHED REFER TO APPROPRIATE AUTOPILOT SERVICE MANUAL FOR CABLE TENSION WHEN ATTACHING BRIDLE CABLES STABILATOR TRAVELS A 15 1 UP B 3 1 DOWN STABILATOR TAB TRAVELS C 4 1 UP...

Page 274: ...27 20 G Ascertain that the locknuts of the stop screws are secure and then reinstall the fin tip 2 To check and set stabilator control cable tension the following procedure may be used A Ascertain th...

Page 275: ...Figure 27 20 Stabilator Travel Adjustments Figure 27 21 Methods of Securing Trim Cables PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 27 30 02 Page 27 35 Revised June 20 1995 1L13...

Page 276: ...loor tunnel by sliding the deflector sideways and releasing the retainer spring D Unfasten the carpet from the aft portion of the forward floor tunnel and lay it forward E Remove the tunnel cover loca...

Page 277: ...CRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 27 30 03 Page 27 37 Revised June 20 1995 1L15 1 TRIM SCREW 2 TRIM SCREW ASSEMBLY 3 PUSH ROD ASSEMBLY 4 PULLEY CLUSTER STA 5 TURNBUCKLES 6 PULLEY CLUSTE...

Page 278: ...is pin washer and cotter pin D Connect the cable to the aft cable at the turnbuckle in the aft section of the fuselage Install aft cable if not installed E Install the cable guard at the cable pulleys...

Page 279: ...ng any combination of AN960 10 AN960 10L and AN960PD 10L washers to achieve free barrel rotation with trim cable rigged and tensioned 4 Rotate the cables down the fin into the fuselage through the two...

Page 280: ...Figure27 23 WrappingTrimBarrels Figure 27 24 Stabilator Trim Screw Adjustment PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 27 30 04 Page 27 40 Revised June 20 1995 1L18...

Page 281: ...Use caution as forward pressure will be on the handle with the tension spring disconnected F Disconnect the flap return spring at the spar or return chain as desired G Disconnect the control cable fro...

Page 282: ...MANUAL 27 50 01 Page 27 42 Revised June 20 1995 1L20 FLAP TRAVELS A 10 2 B 0 1 C 25 2 D 40 2 1 BRACKET ROD ATTACHMENT 17 SPROCKET TENSION SPRING 2 BOLT WASHER NUT 18 BOLT WASHER NUT 3 JAM NUT 19 BRACK...

Page 283: ...in the side of the fuselage located over the torque tube 2 To install the nap handle with bracket place the assembly on the floor tunnel and secure with bolts 3 The nap control cable may be installed...

Page 284: ...this tool The tool must be positioned parallel with the wing ribs with the aft end of the tool even with the trailing edge of the flap 7 With the flap control rods connected between the torque tube c...

Page 285: ...p position The 0 to 10 flap positions relate only to the outboard lift sensor Gently lift out the outboard sensor the stall warning horn should sound Lifting the inboard sensor should not sound the ho...

Page 286: ...The only way to test the accuracy of the setting is to fly the airplane into a stall condition and note the speed at which the stall warning comes on The stall should be made with the flaps and landin...

Page 287: ...SEMINOLE MAINTENANCE MANUAL CARD 2 OF 4 PA 44 180 SEMINOLE PA 44 180T TURBO SEMINOLE PIPER AIRCRAFT CORPORATION PART NUMBER 761 664 June 20 1995 2A1...

Page 288: ...s 32 40 00 is for the Wheels and Brakes portion of the landing gear The individual units within a Sub System Section may be identified by a third element of the standardized numbering system such as 3...

Page 289: ...2 AIRCRAFT ENGINES Textron Lycoming Division Williamsport Pa 17701 PROPELLER Overhaul Instructions HARTZELL COMPACT CONSTANT SPEED and FEATHERING PROPELLER P N 117 D Hartzell Propeller Inc Piqua Ohio...

Page 290: ...DIO CORPORATION KFC 150 P O Box 610 400 North Rogers Road Mineral Wells Texas 76067 Olathe Kansas 66061 FUEL CELLS Maintenance LORAL Engineered Fabrics or Goodyear Aerospace Corp 669 Goodyear Street E...

Page 291: ...A complete list of paragraph titles and appropriate Grid location numbers is given at the beginning of each Chapter relating to the information within that Chapter 5 Identification of Revised Materia...

Page 292: ...3 1981 1 2 and 3 PR810824 August 24 1981 1 2 and 3 PR820826 August 26 1982 1 2 and 3 PR820909 September 9 1982 1 2 and 3 PR830103 January 3 1983 1 2 and 3 PR840326 March 26 1984 1 2 and 3 IR860730 Jul...

Page 293: ...ND MOORING 1C14 11 REQUIRED PLACARDS 1C17 12 SERVICING 1C22 20 STANDARD PRACT AIRFRAME 1E2 21 ENVIRONMENTAL SYSTEM 1E12 22 AUTOFLIGHT 1H21 23 COMMUNICATIONS 1H24 24 ELECTRICAL POWER 1I10 25 EQUIPMENT...

Page 294: ...PURPOSE PARTS 2K19 5l STRUCTURES 2L7 52 DOORS 3A18 55 STABILIZERS 3B8 56 WINDOWS 3B22 57 WINGS 3C10 61 PROPELLER 3D1 71 POWER PLANT 3D21 73 ENGINE FUEL SYSTEM 3F1 74 IGNITION 3F16 77 ENGINE INDICATIN...

Page 295: ...ock Rivet Removal 1E6 20 4 Identification of Aircraft Fluid Lines 1E8 21 1 Cabin Environmental System Installation 1E24 21 2 Heater and Combustion Air Blower Assembly 1F1 21 3 Diagrammatic Cutaway of...

Page 296: ...ts Installation 1H19 23 1 Communications Components Corporation ELT Schematic 1I3 23 2 ELT Using Fixed Aircraft Antenna Narco 1I4 23 3 ELT Portable Folding Antenna Narco 1I4 23 4 Narco ELT 10 Emergenc...

Page 297: ...Adjustments 1L13 27 21 Methods of Securing Trim Cables 1L13 27 22 Stabilator Trim Controls 1L15 27 23 Wrapping Trim Barrels 1L18 27 24 Stabilator Trim Screw Adjustment 1L18 27 25 Flap Controls 1L20 2...

Page 298: ...ation Typical 2F1 30 14 Wing Ice Lighting System 2F3 30 15 Ice Detection System 2F6 30 16 Heated Pitot and Heated Lift Detector Installation PA 44 180T 2F7 32 1 Main Gear Oleo Strut Assembly 2G1 32 2...

Page 299: ...L2 39 2 Electric Clock Installation cont 2L3 51 1 Skin Materials and Thickness Sheet 1 of 2 2L11 51 1 Skin Materials and Thickness Sheet 2 of 2 2L12 51 2 Baggage Compartment Inspection Hole Cutout Det...

Page 300: ...44 180T 3F6 73 3a Electric Primer System PA 44 180 S N 44 95001 and up 3F7 73 4 Engine Primer System PA 44 180T 3F8 73 5 Adjustment of Engine Controls Sheet 1 of 2 PA 44 180 s n s 4495001 thru 44 819...

Page 301: ...es Installation 3H3 77 2 Electric Tachometer Installation 3H9 77 3 Cylinder Head Temperature Gauge Calibration S N 44 95001 and up 3H12 77 4 EGT Probe Installation PA 44 l80T 3H16 78 1 Inspection of M...

Page 302: ...System 2C1 2903 Hydraulic Pump Motor Characteristics 2C6 3001 Troubleshooting Pneumatic Deice System 2D7 3002 Operating Pressures 2D11 3003 Materials and Supplies for Cold Repair 2D18 3004 Troublesho...

Page 303: ...perature Troubleshooting 3H11 7704 Exhaust Gas Temperature Troubleshooting 3H14 7901 Oil Pressure Sender Test Specifications 3I4 7902 Oil Pressure Gauge Troubleshooting 3I5 7903 Oil Temperature Indica...

Page 304: ...2A18 CHAPTER FUEL...

Page 305: ...Heat Cure Method 2B4 28 11 12 Repair Patch Air Cure Method 2B7 28 11 13 Metal Fitting Sealing Surfaces 2B7 28 11 14 Accessory Replacement 2B7 28 11 15 Defect Repairs of Fuel Cell 2B8 28 11 16 Testing...

Page 306: ...00 Cleaning Fuel System 2B13 28 24 00 Electric Fuel Pump 2B14 28 2401 Removal and Installation of Electric Fuel Pump 2B14 28 40 00 INDICATING 2B14 28 41 00 Fuel Quantity Sender Unit 2B14 28 41 01 Fue...

Page 307: ...CING ADDITIVES PRE BLENDED IN THE FUEL AT THE REFINERY NO FURTHER BLENDING SHOULD BE PERFORMED FUEL ADDITIVE MUST NOT BE USED AS A SUBSTITUTE FOR PREFLIGHT DRAINING OF THE FUEL SYSTEM DRAINS DESCRIPTI...

Page 308: ...ATION FOR 180T INSTALLATION SEE VIEW B TO HEATER INSTALLATION SEE VIEW A 1 6 1 2 7 2 3 3 5 4 1 FILTER AND SUMP 2 VALVE SELECTOR THREE WAY 3 PUMP ELECTRIC 4 FUEL CELL 5 FINGER SCREEN 6 LEVERS FUEL SELE...

Page 309: ...alve valve Fuel Quantity gauge fails Broken wire Check and repair to operate Gauge inoperative Replace gauge Fuel sender float partially Replace sender or completely filled with fuel Circuit breaker o...

Page 310: ...1989 2A24 CHART 2801 TROUBLESHOOTING FUEL SYSTEM Trouble Cause Remedy Low pressure or pressure Obstruction in inlet side Trace lines and locate surges of pump obstruction Faulty diaphragm in Rebuild...

Page 311: ...to fuel cell press outward firmly to engage cell with velcro tape 2 Install the bolts into the nut rings and torque all bolts to 30 0 5 inch pounds wait 30 minutes and retorque to 25 5 inch pounds 3 N...

Page 312: ...Figure 28 2 Fuel Cell Installation PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 28 11 03 Page 28 06 Revised June 20 1995 2B2...

Page 313: ...type fitting it is necessary to exercise certain precautions at the time of installation The specific precautions other than the general care in handling are as follows 1 Insert the finger strainer in...

Page 314: ...x as outlined above REPAIR OF FUEL CELLS WARNING WHEN SERVICING OR INSPECTING VENDOR EQUIPMENT INSTALLED IN PIPER AIRCRAFT IT IS THE USER S RESPONSIBILITY TO REFER TO THE APPLICABLE VENDOR PUBLICATION...

Page 315: ...GRIDS 2B5 THROUGH 2B7 INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 28 11 11 Page 28 09 Revised May 15 1989 2B5 PIPER AIRCRAFT...

Page 316: ...sure for fifteen minutes E Soak a large white cloth in the phenolphthalein solution wring it out thoroughly and spread it smoothly on the outer surface of the cell Press the cloth down to insure detec...

Page 317: ...ock through cover making certain that O ring is installed under head of key lock 2 Slide spring gasket and lock over back of key lock 3 Reinstall nut which secures key lock to cover 4 Attach pawl to b...

Page 318: ...GASCOLATOR 1 Clean screen assembly and bowl thoroughly using acetone or other suitable dry type cleaning solvent Dry using a light blast of compressed air Replace screen if any signs of damage or det...

Page 319: ...ctor lever Disconnect fuel lines and mounting hardware and remove fuel selector valve Note Except for replacement of O rings the fuel selector valve should be overhauled only when necessary It is sugg...

Page 320: ...VALVE 1 Clean the valve components in a dry cleaning solvent 2 Inspect the valve for the following A Check that the friction surfaces of the valve are free from nicks dents and burrs B Check that the...

Page 321: ...ers 9 Check valve operation LEAK TEST OF SELECTOR VALVE 1 Connect the inlet port of the valve assembly to a 25 psi air source 2 Plug the right hand port and close the left hand port by placing the con...

Page 322: ...acity of 110 gallons Fuel quantity sender units mounted in each fuel cell transmit electrically the quantity of fuel in each cell to fuel quantity gauges mounted in the instrument panel A dipstick in...

Page 323: ...in this tolerance adjust refer to Figure 28 6 just sufficiently to bring it within tolerance do not center the needle CHART 2802 SENDER FUEL QUANTITY GAUGE TOLERANCES Figure 28 6 Fuel Gauge FUEL QUANT...

Page 324: ...ge and Calibration Aircraft S N 44 95001 and up CALIBRATION1 GRADUATION OHMS DEGREES TOLERANCE2 DOT MECH ZERO 40 1 2 0 10 32 1 2 1 2 13 43 3 6 1 0 35 94 32 1 0 NOTES 1 CALIBRATE AT 14 5 VOLTS WITH PLA...

Page 325: ...2B17 CHAPTER HYDRAULIC POWER...

Page 326: ...23 Disassembly of Oildyne Hydraulic Pump from Bracket 2C13 A6 20 29 11 24 Disassembly of Motor Assembly from Oildyne Pump Adapter Assembly 2C13 A6 20 29 11 25 Disassembly of Reservoir From Oildyne Pu...

Page 327: ...g Cylinder 2C19 9R6 20 29 12 05 Installation of Nose Gear Actuating Cylinder 2C19 9R6 20 29 13 00 Main Gear Actuating Cylinder 2C19 29 13 01 Removal of Main Gear Actuating Cylinder 2C19 29 13 02 Disas...

Page 328: ...e pressure in the system increases to 1800 100 psi The switch will continue to hold the circuit open until pressure in the system drops to 200 to 400 psi At that time the pump will again operate to bu...

Page 329: ...AULIC CYLINDER LEFT MAIN GEAR HYDRAULIC CYLINDER RESTRICTOR NOSE GEAR HYDRAULIC CYLINDER RESTRICTED ELBOW PRESSURE SWITCH OFF AT 1800 100 psi ON AT 200 400 psi BELOW OFF SETTING PRESSURE SWITCH FREE F...

Page 330: ...HIGH PRESSURE CONTROL 2400 200 psi SHUTTLE VALVE DELIVERED PRESSURE 400 TO 800 psi PIPER MOUNTING BASE ORIFICE OPEN OFF PRESSURE 1800 100 psi CLOSE ON PRESSURE 300 100 psi BELOW OPENING PRESSURE PRESS...

Page 331: ...LANDING GEARS ARE DOWN AND LOCKED TURN THE MASTER SWITCH OFF TROUBLESHOOTING Malfunctions in the hydraulic system will result in failure of the landing gear to operate properly When trouble develops j...

Page 332: ...determine the extent of the trou ble Generally hydraulic system troubles fall into two types troubles involving the hydraulic supplying system and troubles in the landing gear hydraulic system Chart 2...

Page 333: ...anding gear selector circuit wires broken Safety squat switch out of adjustment Squat switch inoperative Pressure switch inoperative Pump retraction solenoid inoperative upper solenoid Remedy Reset ci...

Page 334: ...nding gear selector circuit breaker open Landing gear actuator circuit wires broken Landing gear selector circuit wires broken Pump extension outboard solenoid inoperative Remedy Reset circuit breaker...

Page 335: ...tem to allow pressure to up and shut off pump before gear has retracted Shuttle valve sticking in pump base 1 Oildyne pumps may require overhaul Landing gear actuator circuit breaker opens Landing gea...

Page 336: ...ctuator out of adjustment Nose gear down limit switch failed Main gear down limit switch out of adjustment Main gear down limit switch failed Remedy Check free fall valve for internal leakage Check ge...

Page 337: ...low operating level Free fall valve fails to open Remedy 2 Remove pump and replace check valve Check free fall valve for internal leakage Check gear actuating cylinders for internal leakage Check free...

Page 338: ...olenoid ELECTRICALCHARACTERISTICS Voltage Rotation Polarity Operating Current Operating Time Overload Protection Automatic Reset Time Location Automatic Reset MECHANICAL CHARACTERISTICS Bearings End P...

Page 339: ...ulty Prestolite hydraulic pumps be sent to an accredited overhaul facility for dis assembly and repair The major components of the pump assembly are the pump base pump motor and valve reservoir and ge...

Page 340: ...ELIEF 14 15 16 17 18 HIGH PRESSSURE THERMAL RELIEF 19 20 21 22 23 24 17 25 26 1 MOTOR HEAD 2 BRUSH SPRING 3 BRUSH 4 THROUGH BOLT 5 WIRE LEAD 6 THRUST BALL 7 ARMATURE 8 MOTOR FRAME 9 SLEEVE 10 THRUST W...

Page 341: ...er new brush wires to head assembly and bimetal heat protector and wire from winding to one brush holder E Install brush springs and brushes into brush holders and secure in place temporary with a pie...

Page 342: ...rs and torque to 70 inch pounds C Safety attaching bolts with MS20995 C32 wire 4 Conduct motor operational check not to exceed 10 seconds running time TEST AND ADJUSTMENT OF PRESTOLITE HYDRAULIC PUMP...

Page 343: ...mp PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 29 11 05 Page 29 16 Revised May 15 1989 2C11 1000 14 VDC 100 AMP FUSE 100 AMP BL HI LO G B 3000 PORT 1 HIGH PRESSURE 14 VDC ONE ONLY GROUND...

Page 344: ...ve terminal of the meter to the negative terminal of the DC power supply J Connect the blue lead from the pump motor to the positive terminal of the power supply With high pressure indication within 2...

Page 345: ...istributor for servicing or repairs DISASSEMBLY OF OILDYNE HYDRAULIC PUMP FROM BRACKET Refer to Figure 29 5 Sheet 1 of 2 1 Remove safety wire securing two bolts that attach bracket to pump 2 Remove th...

Page 346: ...0 1995 2C14 1 2 3 4 5 7 8 9 10 11 12 13 1 MOTOR ASSEMBLY 2 BASIC PUMP ADAPTER 3 RESERVOIR ASSEMBLY 4 BRACKET MOUNTING 5 BASE PUMP 6 RESTRICTOR ELBOW PIPER P N 01972 2 7 401 269 BOLT 3 REQUIRED 8 494 1...

Page 347: ...RPLANE MAINTENANCE MANUAL 29 11 09 Page 29 20 Added June 20 1995 2C15 RESERVOIR SEAL O RING 10 32 X 1 SCREW RESERVOIR DIPSTICK CAUTION AFTER FILLING RESERVOIR TIGHTEN DIPSTICK THEN BACKOFF 1 1 2 TURNS...

Page 348: ...TALLATION OF PIPER BRACKET TO OILDYNE HYDRAULIC PUMP ASSEMBLY Refer to Figure 29 6 Sheet 1 of 2 1 If bracket was removed from was removed from pump mount install bracket to Piper pump mount with four...

Page 349: ...s 3 Apply Titeseal No 3 in back of the male threads of elbows fittings Insert fittings into valve an tight en Titeseal should be applied sparingly to prevent it entering the hydraulic system 4 Push ar...

Page 350: ...re 29 6 1 With the cylinder removed from the airplane mark the position of the end gland to facilitate installation 2 Remove safety wire and unscrew the end gland 3 Complete disassembly of piston and...

Page 351: ...ar door actuating rods 8 Connect the hydraulic lines to the cylinder fittings The forward fitting gear up is a restricted port fitting 9 Check the adjustment of the cylinder rod end Refer to Adjustmen...

Page 352: ...Main Gear End Gland Locking Device PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 29 13 02 Page 29 25 Revised June 20 1995 2C20 1 END GLAND 6 PISTON 2 BACK UP RING 7 CYLINDER BODY 3 O RING...

Page 353: ...polishing out small scratches burrs etc and replacing compo nents Refer to Parts Catalog for replacement part numbers ASSEMBLY OF MAIN GEAR ACTUATING CYLINDER Refer to Figure 29 7 1 Install O ring on...

Page 354: ...aster switch ON and circuit breaker closed place landing gear selector switch in the UP position The pump should immediately start operating and the gear retract The red gear unsafe light on the instr...

Page 355: ...NTENANCE MANUAL 29 14 02 Page 29 28 Revised June 20 1995 2C23 1 HYDRAULIC PUMP 2 O RINGS 3 PUMP BASE 4 PRESSURE SWITCH 5 HYDRAULIC LINES 6 EMERGENCY EXTEND CONTROL 7 EMERGENCY EXTEND VALVE STA 40 75 8...

Page 356: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 2C24...

Page 357: ...2D1 CHAPTER ICE AND RAIN PROTECTION...

Page 358: ...13 A 1 83 30 13 06 Repair of Boots 2D14 A 1 83 30 13 07 Cold Repair 2D14 A 1 83 30 13 08 Vulcanized Repairs 2D15 A 1 83 30 13 09 Installing Pneumatic Boots 2D17 A 1 83 30 13 10 Preparation of Leading...

Page 359: ...Assemblies 2E17 30 68 00 Propeller Deice Boots 2E18 30 68 01 Resistance Check of Deicer Boots 2E18 30 68 02 Replacement 2E18 30 68 03 Removal of Boots 2E18 30 68 04 Installation of Boots 2E18 A 1 83...

Page 360: ...allation 2F4 30 82 00 Carburetor Ice Detector 2F4 30 82 01 Description 2F4 30 82 02 Troubleshooting 2F4 30 82 03 Removal of Ice Detector Probe 2F5 30 82 04 Installation of Ice Detector Probe 2F5 30 82...

Page 361: ...trol panel During normal operation vacuum provided continuously from the pump inlets to the vacuum system is also directed to the boots system through the deflate valve to hold the boots down in fligh...

Page 362: ...heated lift detectors inner and outer and two circuit breakers one for each part of the system For seeing and detecting ice at night a wing inspection light can also be included with the systems The...

Page 363: ...s and connected inspect connections Make air leakage test Deicers inflate slowly Lines partially blocked Blow out lines and inflation time 6 or not connected securely inspect connections seconds Make...

Page 364: ...ired Wires loose or broken Make electrical test Poor grounding of Repair or replace pressure switch broken wires Check for proper ground Deicer boots do not Deflate valve not Remove and troubleshoot h...

Page 365: ...CK VALVE 3 DRY AIR PUMP EXHAUST 4 DRY AIR PUMP 5 EXHAUST VALVE DEFLATE VACUUM HOLD DOWN VALVE 6 TIME MODULE 7 PRESSURE SWITCH 8 REGULATOR 9 MANIFOLD 1 1 1 2 2 2 3 3 3 4 4 5 6 7 8 8 8 9 PA 44 180 180T...

Page 366: ...of the system through several complete cycles Boots ON six seconds then OFF The wing and empennage boots operate simultaneously If cycle time is off the specified time determine and correct the diffi...

Page 367: ...sticking due to congealed oil OPERATION CHECK The pneumatic deicing system should be checked at least every 100 hours This check can be done on the ground A visual inspection should be performed to d...

Page 368: ...ssure continues to build to 17 P S I system pressure or 6 seconds whichever occurs first B Control Valves should actuate and dump pressure overboard C As pressure decreases below 10 P S I LIGHT should...

Page 369: ...dealer or distributor PNEUMATIC BOOTS REMOVAL OF BOOTS The removal of deicer boots should be done in a well ventilated area to avoid difficulty from the fumes of the solvents Materials required to re...

Page 370: ...size to cover the damaged area Apply one even thorough coat of cement Part No 74 451 20 to the patch and the corresponding damaged area Allow cement to set a couple of minutes until tacky C Apply the...

Page 371: ...ment from deicer with solvent 4 LOOSE SURFACE PLY IN TUBE AREA Loose surface ply in tube area is usually an indication of the deicer starting to flex fail This type of failure is more easily detected...

Page 372: ...Figure 30 2 Deice Control Panel Installation POH PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 30 13 08 Page 30 12 Revised May 15 1989 2D16 PIPER AIRCRAFT...

Page 373: ...ces thoroughly at least twice with MEK or Acetone For final cleaning wipe the solvent film off quickly with a clean dry cloth before it has time to dry Note It is permissible to install deicers on alo...

Page 374: ...s 74 451 87 1 Buffing Shield This cement will give best results with the patches in this kit The following items may be procured from the B F Goodrich Co Akron Ohio or other manufacturer as required 7...

Page 375: ...Rolls 1 in Masking Tape 1 Sharp Knife 6 ft Long Steel Measuring Tape 1 Fine Sharpening Stone As required Steel Wool Pads As required Hypodermic needles 22 gauge or smaller MethylEthylKetone MEK can b...

Page 376: ...each clamp with a pair of slip joint pliers but do not squeeze the clamp so tight that t he hose is damaged Note If non kink hose clamps are not available wrap each hose connection with several turns...

Page 377: ...TALLATION ARE FLAMMABLE AND THEIR FUMES SLIGHTLY TOXIC THEREFORE ALL WORK SHOULD BE DONE IN A WELL VENTILATED AREA AWAY FROM ANY SPARKS OR FLAMES USE OF SOLVENT RESISTANT TYPE GLOVES IS RECOMMENDED In...

Page 378: ...n the airplane is washed with a mild soap and water solution In cold weather wash the boots with the airplane inside a warm hangar if possible If the cleaning is to be done outdoors heat the soap and...

Page 379: ...opropyl Acetate CAUTION CEMENTS AND SOLVENTS USED FOR RESURFACING ARE FLAMMABLE AND THEIR FUMES SLIGHTLY TOXIC THEREFORE ALL WORK SHOULD BE DONE IN A WELL VENTILATED AREA AWAY FROM ANY SPARKS OR FLAME...

Page 380: ...engine up to 2300 RPM and cycle the deicer boot system Note The vacuum gauge may momentarily drop as much as 1 5 in Hg during cycling 5 During the deice boot inflation cycle ensure that the green wing...

Page 381: ...PANEL 1 Disconnect the electrical connector located next to the heated panel on the exterior side of the windshield by removing the two screws and pulling the plug out of the receptacle 2 Remove the t...

Page 382: ...PROP HEAT switch is in the ON position The propeller deice system consists of the following electrically heated boots bonded to each propeller blade slip ring assemblies connected to the propeller hu...

Page 383: ...deicers heat with and out of ammeter If ammeter at zero replace low output and input satisfactory the ammeter replace ammeter If no voltage to ammeter locate and fix open between switch and ammeter O...

Page 384: ...r high resistance in Disconnect deicer leads current part of cycle deicer or slip ring leads to check resistance If not low current rest of OK replace faulty deicer cycle If satisfactory locate and fi...

Page 385: ...for voltage up to current over entire cycle and out of ammeter If low output and input satisfactory replace ammeter If no voltage to ammeter locate and fix open between switch and ammeter Ground betw...

Page 386: ...Timer ground open timer Disconnect harness at approximately every 90 not cycling timer and check with seconds ohmmeter from Pin A of harness to ground If no circuit fix open per schematic diagram Tim...

Page 387: ...ing Check brush alignment with deicers on as shown in Figures 30 3 and 30 4 Look for rough or dirty slip rings If either condition exists clean machine or replace slip ring assembly as required Check...

Page 388: ...orrect timer and deicers against wiring diagram Rapid brush wear or Brush block out of Check brush alignment frequent breakage alignment Correct as required Slip ring wobbles Check slip ring alignment...

Page 389: ...1 AND 3 3 VIEW B 1 TIMER 2 SHUNT 3 MODULAR BRUSH ASSY 4 SLIP RING 5 AMMETER 6 SWITCH 7 CIRCUIT BREAKER 8 WIRING HARNESS NOTES 1 PROP HEAT CIRCUIT BREAKER 25 AMP FOR 2 BLADE INST 35 AMP FOR 3 BLADE IN...

Page 390: ...OOTS 2 SLIP RING 3 CONNECTOR 4 MODULAR BRUSH ASSEMBLY 5 SHUNT 6 TIMER 7 AMMETER 8 PROP DEICE SWITCH 9 LEAD CLIP 10 MOUNTING BRACKET 11 FUSE 5 AMP 12 CIRCUIT BREAKER THREE BLADED INSTALLATION TWO BLADE...

Page 391: ...ith propellers rotating at cruise RPM INSPECTION 50 HOUR INSPECTION 1 Lock brakes and operate engines at near takeoff power Turn deicer system switch ON and observe deicer ammeter for at least two min...

Page 392: ...off with a clean cloth dampened with MEK to avoid leaving a film B If uneven wear is found or if wobble is noticed set up a dial indicator as shown in Figure 30 4 and check alignment of the slip rings...

Page 393: ...es on Slip Rings 393 STARTER RING GEAR WITH SLIP RING ASSEMBLY DIAL INDICATOR 394 SLIP RING NOTCH WORN IN BRUSH DUE TO MISALIGNMENT BRUSH LOCATED INCORRECTLY ON SLIP RING PA 44 180 180T AIRPLANE MAINT...

Page 394: ...SLIP RINGS SLIP RINGS MOUNTING BRACKET TORQUE 50 TO 70 IN LBS MODULAR BRUSH ASSEMBLY 3E2090 1 TERMINAL B TERMINAL C SPACER SHIM AS REQUIRED MAX OF 2 AT EACH MODULAR BRUSH ASSEMBLY PA 44 180 180T AIRP...

Page 395: ...ss 2 Remove assembly screws and separate modules and spacers Note The part number of each module is etched into the surface of the plastic housing replace with the same part number module Figure 30 7...

Page 396: ...REQUIRED TO PRODUCE ONE 3E2090 1 MODULAR BRUSH ASSEMBLY C177 1 SPACER 2 BRUSH MODULE ASSEMBLY 3E2011 2 3 BRUSH MODULE ASSEMBLY 3E2011 3 4 SCREW MS24693 532 5 NUT MS35649 262 6 LOCKWASHER MS35333 37 7...

Page 397: ...tem Check the slip ring run out with a dial indicator securely attached to the engine with the pointer resting on the slip ring Refer to Figure 30 4 Rotate the propeller slowly noting the run out indi...

Page 398: ...at one corner of the deicer loosen enough of the deicer to grasp in the jaws of vise grip pliers or similar tool 4 Apply a steady pull on the deicer to pull it off the propeller surface Continue using...

Page 399: ...ON CLEANLINESS OF METAL AND RUBBER PARTS CANNOT BE TOO HIGHLY STRESSED ONLY PERFECTLY CLEAN SURFACES WIN ASSURE MAXIMUM ADHESION 4 Using a pencil or pen mark a centerline at the hub of the propeller b...

Page 400: ...unglazed side Remove the tape before starting to install the deicer 4 Apply an even brush coat of 1300L cement on the cleaned surface of the propeller blade immediately after the second coat of cement...

Page 401: ...REA WHERE METAL STITCHER IS PERMITTED NOT TO EXCEED 3 16 ALONG DEICER EDGE PREPARATION AND APPLICATION OF SEALER Deicers loosened due to destruction of adhesive bond by lubricants do not respond well...

Page 402: ...S SEALER SECTION B B SECTION A A DEICER DEICER CEMENTED AREA CEMENTED AREA FILLER SEALER SEALER DEICER DISTANCE OF FILLER APPLICATION BOTH SIDES OF DEICER B B A A 21 2 1 8 1 8 1 8 1 8 1 2 1 4 1 2 1 4...

Page 403: ...tance must not vary 3 Identification of the circuits within the element may be confirmed by referring to the resistance values and schematic diagram Proper identification is necessary in order to make...

Page 404: ...bly the original balancing weights or their equivalents must be reinstalled The weights must be left in the original position on the propeller hub The restrainer and weights should not interfere with...

Page 405: ...EICER LEADS 3 DEICER WIRE HARNESS 4 LEAD CLIP 5 SLIP RING WIRE HARNESS 6 COUNTERWEIGHT 7 TIE STRAPS 8 TRANSFLEX TUBING NO 2x91 2 SEE VIEW A 4 5 3 2 1 2 7 3 8 6 VIEW A C176 PA 44 180 180T AIRPLANE MAIN...

Page 406: ...r circuit Now use voltmeter from ground to the timer socket and check that timer is cycling to deliver system voltage to D and F contacts in that order Each contact must deliver voltage for approximat...

Page 407: ...d up 3061 B B A A 2 3 4 1 1 ICE LIGHT ASSEMBLY 2 WING ROOT DISCONNECT 3 SWITCH 4 CIRCUIT BREAKER 5 LENS 6 ACCESS DOOR C VIEW B B C 6 VIEW C C 6 5 VIEW A A INSTRUMENT PANEL 3 4 C175 PA 44 180 180T AIRP...

Page 408: ...black wire of ice detector probe 2 In a subdued light not in sunlight touch the black ohmmeter test probe to the red wire of the ice detector probe while observing the ohmmeter The reading should be a...

Page 409: ...ote how far the probe extends into the carburetor 3 Where the wires for the probe come off the engine mount remove the wire insulation sleeves make note of the respective wire interconnects and discon...

Page 410: ...t breaker marked Stall Det and are not heated This may be pulled to deactivate the lift detectors increase load shedding is required due to an alternator failure The lift detectors have an in line res...

Page 411: ...OT HEAD 14 GASKET 7 DEICER BOOT 15 SCREW 8 MOUNTING PLATE RED AND WHITE WIRES INB D AND OUTB D TO H2A4 PURPLE WIRES INB D AND OUTB D TO H2A5 YELLOW WIRE TO F1J INBOARD FIN OUTBOARD ORANGE WIRE TO F1H...

Page 412: ...oard lift sensor should activate when lifted 3 With flaps in 25 and 40 positions the inboard lift sensor should activate when lifted 4 After successful completion of functional check remove microswitc...

Page 413: ...GRIDS 2F9 THROUGH 2F12 INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 2F9 PIPER AIRCRAFT...

Page 414: ...CHAPTER LANDING GEAR 2F13...

Page 415: ...in Gear Door 2G12 32 13 02 Cleaning Inspection and Repair of Main Gear Door 2G12 32 13 03 Installation of Main Gear Door 2G12 32 20 00 NOSE GEAR2G14 32 21 00 Nose Gear Oleo 2G14 A1 83 32 21 01 Disasse...

Page 416: ...32 42 01 Removal and Disassembly of Main Wheel 2H9 32 42 02 Inspection of Main Wheel 2H9 32 42 03 Assembly and Installation of Main Wheel 2H9 32 43 00 Repair of Nose and Main Wheel Assemblies 2H10 32...

Page 417: ...tment of Main Gear Up Limit Switch 2H22 32 61 02 Adjustment of Main Gear Down Limit Switch 2H22 2 81 32 61 03 Adjustment of Nose Gear Up and Down Limit Switches 2H22 8 80 32 61 04 Adjustment of Landin...

Page 418: ...d in their up position by hydraulic pressure alone within the cylinders There are no uplocks and loss of hydraulic pressure will allow the gears to drop It is preferred that the gears be extended and...

Page 419: ...itches failed Nose gear up limit switch Check gear up adjustment out of adjustment and readjust up limit switch Main gear not retracting Check gear up adjustment far enough to actuate switch Red gear...

Page 420: ...gation lights are off daytime Red gear unsafe light and Indicator lights circuit Reset circuit breaker and an green lights out breaker open determine cause for open circuit breaker Note Light circuit...

Page 421: ...lever Red gear unsafe light and Warning light and horn Check wiring horn fail to operate when circuit wire broken selector switch is moved to up position with gear extended and throttle not full forwa...

Page 422: ...een gear down lights Micro switch out of Adjust micro switch blink momentarily before adjustment the down lock is engaged on roller Nose landing gear Internal wear in shimmy Replace shimmy dampener sh...

Page 423: ...g Replace or binding Nose gear fails to Steering arm roller sheared Replace defective roller straighten when landing at top of strut gear extends Incorrect rigging of nose Check nose gear steering gea...

Page 424: ...g gear to slant in or out Strut bottoms on normal Insufficient air and or Service strut with air landing or taxiing on fluid in strut and or fluid rough Found Defective internal parts Replace defectiv...

Page 425: ...s Slide off the upper bearing lower bearing with O rings wiper and washer 9 To remove orifice tube from the oleo housing remove locknut and washer from top of housing Draw tube with O ring and retaine...

Page 426: ...CE PLATE 12 SNAP RING 13 BEARING 14 O RING 15 0 RING 16 WIPER STRIP 17 WASHER 18 SNAP RING 19 PIN 20 BEARING 21 STRUT ASSEMBLY 22 TORQUE LINK LOWER 23 CLAMP 24 BUSHING 25 BUSHING 26 BUSHING AXLE 27 NU...

Page 427: ...ide the washer into position and secure the assembly with snap ring 8 Tighten locknut at top of housing 9 Ascertain that the bushings are installed in the upper and lower torque links and then install...

Page 428: ...2 2 Main Gear Service Tolerances 305 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 32 11 03 Page 32 11 Revised May 15 1989 2G3 PIPER A...

Page 429: ...brace ID 373 ID 372 004 support stud 375 376 8 67514 0 Link upperside brace ID 4945 ID 4925 4935 9 14843 16 2 Bushing side brace ID 376 ID 374 Install using link 375 Loctite 601 10 402 921 Bolt link...

Page 430: ...06 Trunnion housing ID 4410 ID 4410 67926 08 torquelink attachment 4430 4440 67926 09 21 67026 07 2 Bearing trunnion ID 314 ID 315 Press fit Install 313 using Loctite 601 22 67037 04 Strut Assembly I...

Page 431: ...b and removing bolt that secures the tube in the housing Insert a hook through the bolt hole in the tube and slide it aft from the support fining Remove the tube from the wing G Allow the gear to drop...

Page 432: ...d then forward support fitting on forward arm of the housing Determine that barrel nut is properly positioned in the arm and insert attachment bolt through washer and the fitting into the arm Tighten...

Page 433: ...AN5 bolts are replaced by alternate oversized bolts NAS 3004 or NAS 3005 also NAS3005 and standard flush head bolts MS24694 S105 are replaced by alternate oversize bolts NAS1604 9R respectively when...

Page 434: ...OLT WASHERS NUT AND COTTER PIN 32 PIN DOWNLOCK 33 LINK LOWER SIDE BRACE 34 BRACKET SPRING 35 SWITCH SAFETY 36 ACTUATOR SAFETY SWITCH 37 BOLT WASHERS NUT AND COTTER PIN 38 ROD GEAR DOOR 39 BOLT WASHERS...

Page 435: ...ear into the correct adjustment Steps B and F thru H need only be followed A Ascertain that the rod end bearing of the actuating cylinder is disconnected from the retraction fitting B Actuate the hydr...

Page 436: ...ees Note A carpenter s square bccause of its especially long kgs is recommended for checking main landing gear wheel alignment 3 If the square contacts the rear side of the d isc Ieaving a gap between...

Page 437: ...nd bolt 2 Remove the door from the wing panel by bending the door hinge pin straight and from the other end pulling out the pin 3 The door retraction rod may be removed from the gear housing by cuttin...

Page 438: ...Figure 32 4 Aligning Main Gear 6 50 BRACKET BRACKET RIVET WASHER 973 SKETCH A SKETCH B A B PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 32 13 03 Page 32 21 Revised May 15 1989 2G13 PIPER AIRCRAFT...

Page 439: ...ring from the annular slot at the bottom of the oleo housing 9 Pull the piston tube with components parts from the cylinder 10 The piston tube components may be removed by reaching in the tube and pus...

Page 440: ...RIFICE TUBE 22 RING COMPRESSION 23 ORIFICE PLATE 24 SNAP RING 25 BEARING 26 PIN 27 BEARING 28 O RING 30 WIPER STRIP 31 WASHER 32 SNAP RING 33 SPACER 34 BEARING 35 BUSHING 36 TRUNNION ASSEMBLY 37 BEARI...

Page 441: ...tom of the cylinder allowing the orifice tube to guide itself into the fork tube until the snap ring can be installed in the annular slot at the bottom of the cylinder Install wiper strip slide washer...

Page 442: ...ING ASSEMBLY 3 ASSIST SPRINGS 4 STEERING ARMS 5 BUNGEE ASSEMBLY 6 STEERING BELLCRANK 7 HYDRAULIC CYLINDER 8 UPPER DRAG LINK ASSEMBLY 9 LOWER DRAG LINK ASSEMBLY 1 2 3 4 5 6 7 8 9 PA 44 180 180T AIRPLAN...

Page 443: ...ks 6 With the lower drag link disconnected from the gear oleo housing the housing may be removed by removing cotter pins nuts washers and bolts at the attachment points on each side of the housing at...

Page 444: ...ar Service Tolerances 3059 1 2 1 2 24 25 3 4 5 6 17 18 9 10 7 8 7 8 11 12 11 12 13 14 19 15 16 19 20 21 19 22 23 19 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 32 22 02 Page 32 27 Revised May 15 1989 2...

Page 445: ...ID 4370 ID 4370 0015 4385 4385 8 14976 11 Bushing steering arm ID 312 ID 312 002 Press fit 313 314 9 67054 03 Trunnion housing drag ID 4415 ID 4415 0015 link attachment 4425 4425 10 67026 07 Bearing t...

Page 446: ...0 20735 05 Torque link ID 377 ID 377 002 3785 3790 21 452 366 Bearing torque link ID 2495 ID 2495 002 Coat bearing F 310 5 2505 2515 with zinc chromate and install while still wet Press fit 22 67099 0...

Page 447: ...NOSE GEAR ASSEMBLY INSURE THE NOSE GEAR DOWNLOCK IS FULLY DISENGAGED BEFORE RELEASING THE NOSE GEAR DRAG LINKS DAMAGE COULD OCCUR TO THE DOWNLOCK IF NOT FULLY DISENGAGED 1 Attach the steering bellcra...

Page 448: ...check door operation 12 Check the alignment of the nose gear 13 Ascertain that the landing gear is down and locked then remove the airplane from jacks NOSE GEAR DOWNLOCK AND ECCENTRIC BUSHING REMOVAL...

Page 449: ...LINDER 3 DRAG RACE 4 DOWNLOCK HOOK 5 ECCENTRIC BUSHING 6 STOP BOLT BUSHING 7 DOWNLOCK ARM 8 STOP BOLT 9 AFT MOUNTING BOLT HYDRAULIC RETRACT CYLINDER 10 PIVOT BOLT 11 PIVOT BOLT BUSHING 12 FORWARD MOUN...

Page 450: ...rd Place one washer under the nut and torque the nut 40 45 in lbs 7 Slide the drag brace assembly into the wheel well and push the bolts out through the drag link on the left side and the drag link an...

Page 451: ...END BEARING 9 BOLT ASSEMBLY 10 DOWNLOCK HOOK 11 SHIMMY DAMPENER 12 STRUT HOUSING NOTE ADJUST STEERING CAM TO BUSHING CLEARANCE OF 031 WITH GEAR DOWN AND AIRCRAFT WEIGHT ACTING ON NOSE SEE NOTE NOSE G...

Page 452: ...er of the wheel axle meets this measurement If this measurement is incorrect extend the gear loosen the jam nut on the rod end bearing and make the required adjustment by turning the bearing in to rai...

Page 453: ...re 32 11 Rudder Pedals at Neutral Neutral Position Angle THIS SPACE INTENTIONALLY LEFT BLANK A599 1641 VERTICAL TO SEAT RAILS NEUTRAL 19 1 0 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 32 22 08 Page 32...

Page 454: ...ends as necessary 13 Place a bubble protractor against a rudder pedal steering tube to check the neutral angle as shown in Figure 32 11 14 One end of each rod must be disconnected and the jam nuts lo...

Page 455: ...the complete operating mechanism inside the wheel well and secure the bearing blocks to the sides of the wheel wells 2 Install the gear doors by positioning the doors and installing a new hinge pin T...

Page 456: ...ssemblies may be removed from each wheel half by first removing the snap rings that secures the grease seal retainers and then the retainers grease seals and bearing cones The bearing cups should be r...

Page 457: ...SE WHEEL ASSEMBLY 2 WHEEL HALF 3 BEARING CUP 4 RUBBER BUSHING 5 WHEEL HALF 6 BEARING CUP 7 GREASE RETAINER RING 8 FELT RING 9 SNAP RING 10 BEARING CONE 11 WASHER 12 NUT 13 BOLT CLEVELAND McCAULEY 4 9...

Page 458: ...tire With the tire sufficiently deflated remove the wheel through bolts Pull the wheel halves from the tire by removing the inner half from the tire first and then the other half 5 The wheel bearing...

Page 459: ...y corroded Note Remove rust and blend out small nicks using fine 400 grit sandpaper Wheels may also be repainted if the parts have been repaired and thoroughly cleaned Paint exposed areas with one coa...

Page 460: ...unevenly worn The snap on heavy duty linings should be replaced when the expansion groove is no longer visible WHEEL BRAKE ASSEMBLY REMOVAL AND DISASSEMBLY OF WHEEL BRAKE ASSEMBLY Refer to Figure 32...

Page 461: ...5 INSULATOR 11 ANCHOR BOLT 6 PRESSURE PLATE 12 BLEEDER SCREW ASSEMBLY 30 65 BRAKE ASSEMBLY PC28 A266 30 83 BRAKE ASSEMBLY EXPANSION GROOVE 100 MIN 100 MIN BRAKE LINING MINIMUM WEAR THICKNESS 1 11 12...

Page 462: ...R BODY PRESS ANCHOR BOLT HOLDING FIXTURE STEP A HOLDING FIXTURE ANCHOR BOLT STEP B CYLINDER BODY CYLINDER BODY PRESS HOLDING FIXTURE HOLDING FIXTURE STEP C STEP D PA 44 180 180T AIRPLANE MAINTENANCE M...

Page 463: ...removed by prying loose with a screwdriver or a thin flat wedge Install the snap on type by positioning onto the pins and applying pressure to snap into position Note Standard duty brake linings shoul...

Page 464: ...ion 2312 1 RESERVOIR 2 KNOB PARKING BRAKE 3 MASTER CYLINDERS 4 FLUID LINE 5 VALVE PARKING BRAKE 6 BRAKE ASSEMBLY 1 2 3 4 5 6 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 32 44 05 Page 32 47 Revised May...

Page 465: ...ings from the outside of the valve body A valve spring is held in place by the fittings Use caution not to loosen these when removing the fittings 2 From the valve body remove the valve spring and val...

Page 466: ...ROLL PIN 5 O RING 10 O RING C578 1 2 3 4 56 7 89 10 11 12 13 14 c579 1 2 3 4 5 6 7 8 910 11 12 13 14 15 1 HOUSING 6 O RING 11 SPRING 2 SPRING 7 PACKING GLAND 12 PISTON ROD 3 PISTON 8 O RING 13 WASHER...

Page 467: ...insert cam into valve body and secure with spring bushing washer and self locking nut 3 Install O ring on the valve insert valve in hole of out port install valve spring and secure with outlet fittin...

Page 468: ...y be disassembled by first removing the roll pin spring and then the piston assembly seal and packing gland and if desired the large return spring D Remove the O rings from the piston and packing glan...

Page 469: ...mbled by first removing the retaining ring sleeve spring and then the piston assembly O ring and gland and if desired the return spring D Remove the O rings from the piston and packing gland INSTALLAT...

Page 470: ...MBLY 14 HOSE ASSEMBLY 15 HOSE ASSEMBLY 16 HOSE ASSEMBLY 17 BEARING 18 ELBOW 19 ELBOW 20 ELBOW 21 TEE 22 PIN 23 PIN 24 PIN 25 PIN 26 BOLT WASHER AND NUT ASSY 1 1 2 2 3 3 4 4 5 5 6 6 7 7 7 8 8 9 9 10 11...

Page 471: ...auge between the horizontal surface of the hook that is next to the switch the surface that contacts the downlock pin and the rounded surface of the pin Lower the hook and allow it to rest on the feel...

Page 472: ...and determine that the gear lights function properly NOTE ADD WASHERS BETWEENMICRO SWITCH AND BRACKET MAX 062 BUILD UP TO ENSURE ENGAGEMENT OF MICRO SWITCH TANG B951 PA 44 180 S N 44 8195001 AND UP PA...

Page 473: ...to Chapter 91 for electrical schematic of the Landing Gear System ADJUSTMENT OF LANDING GEAR UP POWER REDUCED WARNING SWITCH When Not Equipped with Mute Switch When adjusting switch fly the airplane...

Page 474: ...ate when the gear are down and locked 9 Advnace throttles levers beyond the position which gave the 14 2 inches of manifold pressure Retract the landing gear 10 Reposition the throttle levers at the l...

Page 475: ...Warning Switches Without Mute Switch Sheet 1 of 2 Figure 32 25 Throttle Warning Switches With Mute Switch Sheet 2 of 2 PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 32 62 03 Page 32 54 Rev...

Page 476: ...ove both throttles to the mid travel position Check that the GEAR WARN MUTE annunciator light is OFF D Close both throttles Check that the gear warning horn is ON 8 Move the left throttle to the mid p...

Page 477: ...its down position Both the red warning light and horn should be OFF 23 Remove the wedge from the squat switch 24 Manually disengage open the left main gear downlock The pump motor should operate with...

Page 478: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 2I5...

Page 479: ...2I6 CHAPTER LIGHTS...

Page 480: ...ding Taxi Light Single 2I9 33 41 03 Removal of Landing Taxi Light Dual 2I9 8 80 33 41 04 Installation of Landing Taxi Light Dual 2I9 8 80 33 42 00 Tail Lights 3I10 A 1 83 33 42 01 Removal of Tail Ligh...

Page 481: ...TMENT The optional lighting comprises instrument panel backlighting with a dimmer control dual overhead flood lights a compass light and map lights INSTRUMENT AND PANEL LIGHTS REMOVAL OF DIMMER CONTRO...

Page 482: ...sure the bonding strap is securely attached to the light mounting bracket within the nose cone and the other end in the fuselage REMOVAL OF LANDING TAXI LIGHT DUAL 1 Ascertain that the master switch i...

Page 483: ...r acrylic lens Piper p n 36752 21 or 22 to the wing Note that the two inboard screws also secures the shield Piper p n 36806 4 or 5 in place 2 Remove the MS24667 13 Socket Head Cap Screw Piper p n 519...

Page 484: ...LESHOOTING STROBE LIGHT SYSTEM The strobe light flashes as a result of capacitor discharge triggered by a timing pulse The capacitor is charged to 450 volts D C by the power supply then discharges acr...

Page 485: ...GER CIRCUITS B Check continuity between Pins 1 and 2 1 and 3 2 and 3 of the interconnecting cable If continuity exists between any of these connections the cable is shorted and must be replaced 8 Chec...

Page 486: ...fer to the strobe power supply schematics in Chapter 91 3 Connect the electrical plugs left wing right wing to corresponding receptacles 4 Replace access panel on the fuselage in the baggage compartme...

Page 487: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL GRIDS 2I14 AND 2I15 INTENTIONALLY LEFT BLANK 2I14...

Page 488: ...2I16 CHAPTER NAVIGATION AND PITOT STATIC...

Page 489: ...Antenna Bonzer D 1 83 Installation of Radar Altimeter Antenna Bonzer D 1 83 Removal of Receiver Transmitter R T Unit Bonzer D 1 83 Installation of Receiver Transmitter R T Unit Bonzer D 1 83 34 20 00...

Page 490: ...1 83 Troubleshooting D 1 83 Bendix RDR 160 System Components D 1 83 Removal and Installation of Bendix Antenna Receiver Transmitter D 1 83 Removal and Installation of the Converter Unit D 1 83 Removal...

Page 491: ...ough the wing along with the pitot line An alternate static air source is located below the instrument panel in front of the pilot The alternate static source is part of the standard system and has a...

Page 492: ...Installation 2289 1 INSTRUMENTS 2 ALTERNATE STATIC SOURCE 3 PITOT STATIC SUMPS 4 PITOT STATIC LINES 5 PITOT STATIC HEAD 1 2 3 4 5 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 34 11 00 Page 34 02 Revised...

Page 493: ...instruments connected to the static line Check individual instru ments for Leaks Reconnect instruments to static line and test installation for Leaks Defective mechanism Replace instrument Rate of cl...

Page 494: ...e pointer oscil Defective mechanism Replace instrument lation High or low reading Improper venting Eliminate leak in static pressure system and check alignment of sensor Setting knob is hard to Wrong...

Page 495: ...ICATOR Trouble Cause Remedy Altimeter changes reading Water in static line Remove static lines from all as aircraft is banked instruments and blow line clear from cockpit to sensor Altimeter requires...

Page 496: ...magnetic North heading Adjust N S adjustment screw until compass reads exactly North 3 Head aircraft on a magnetic East heading and do the same as Step 2 adjusting E W adjusting screw 4 Head aircraft...

Page 497: ...quid leakage Loose bezel screws Replace or repair instrument Broken cover glass Replace or repair instrument Defective sealing gaskets Replace or repair instrument Discolored markings Age Replace or r...

Page 498: ...otor in three dimensions by the use of a Gimbal Assembly and the displacement or Azimuth readings are presented on the instrument face This results in a positive and stable presentation Since the dire...

Page 499: ...tes if four cardinal headings are used and the total precession does not exceed 12 When confirming precession complaints on the compass rose aircraft position must be established by nose wheel alignme...

Page 500: ...tomatically adjust air pressure within proper limits Note The gyro air filter must be clean or replaced prior to adjusting gyro air pressure Airflow directed at the gyro buckets causes the rotor spin...

Page 501: ...tion and less subject to error than the air driven attitude horizon TROUBLESHOOTING Unless an obvious malfunction such as inability to erect spinning or great horizon bar displacement none of which ca...

Page 502: ...iven either electrically or by air while the pictorial rate instrument is electrically driven TROUBLESHOOTING An obvious malfunction of either instrument requires repair by an FAA approved instrument...

Page 503: ...2J7 CHAPTER OXYGEN...

Page 504: ...omponent 2J20 35 11 07 Removal of Oxygen Cylinder 2J20 35 11 08 Removal of Recharge Valve 2J21 35 11 09 Installation of Recharge Valve 2J21 35 11 10 Installation of Oxygen Cylinder 2J22 35 11 11 Remov...

Page 505: ...the outlets is set up such that the main feed line for the overhead outlets is connected to the left rear passenger outlet from which the right rear and pilot outlets are connected The copilot outlet...

Page 506: ...MBLY 8 FLOW INDICATOR 9 COUPLING 10 PUSH PULL CONTROL CABLE 11 GAUGE LIGHT SWITCH 12 VENT TUBE 13 HIGH PRESSURE LINE 14 LOW PRESSURE LINE 15 REGULATOR CONTROL CABLE 16 SHROUD ASSEMBLY A 11 14 14 14 14...

Page 507: ...THE SYSTEM BE PURGED MAKE SURE THAT NO OIL GREASE HYDRAULIC FLUID OR FUEL IS IN THE VICINITY OF ANY FITTINGS BEING SERVICED DO NOT USE THREAD LUBRICANT OF ANY KIND TEFLON TAPE M M M NO 48 SHOULD BE U...

Page 508: ...gauge 2Return unit to manufacturer or take to an approved shop Effective pressure indicated Oxygen cylinder regulator 1Vacate bottle and replace but no oxygen flow with assembly defective regulator as...

Page 509: ...as follows Refer to Figure 35 3 A Interconnect a sensitive pressure gauge having a range of 0 to 100 psi with a Scott Aviation 8570 0 plugin and connect the apparatus to the pilots outlet in the over...

Page 510: ...300 Flight Hrs Replace Every 6 Yrs External Recharge Valve Each Use Replace Every 6 Yrs Masks Each Use Replace as Necessary B870 1 PLUG IN SCOTT AVIATION PART NO 8570 00 2 HOSE 1 4 IN I D x 1 2 IN O D...

Page 511: ...ETCH C NEOPRENE HOSE MAY BE SLIT TO FIT OVER TUBING SECURE WITH MS3367 CABLE TIES POSITION SLIT AWAY FROM WIRES ETC CLAMP WIRE BUNDLE EVERY 2 AT CROSSOVERS GROMMET SLIT HOSE INCORRECT CORRECT 2 PA 44...

Page 512: ...ing them to come in contact with other parts of the aircraft With this in mind low pressure tubing that is supported well enough to prevent relative motion must have at least a minimum clearance of 1...

Page 513: ...threads are in good condition and that the cones do not exhibit pitting or disfigurement SWAGELOC FITTING INSTALLATIONS Refer to Figure 35 5 Note The high pressure line fitting at the regulator should...

Page 514: ...T AT THE SIX O CLOCK POSITION STEP 3 HOLD THE FITTING WITH A WRENCH AND TIGHTEN THE FITTING NUT AS FOLLOWS A TUBING WITH A DIAMETER GREATER THAN 3 16 INCH SHALL BE TIGHTENED 1 1 4 TURNS THE NINE O CLO...

Page 515: ...teflon tape Teflon tape should not be used on straight threads Do not use any other lubricants in place of the tenon or on any other threads 1 Wrap tape on the threads starting with those farthest fro...

Page 516: ...w clean plastic bags Temporarily support lines as needed to prevent damage Make sure caps and coverings are as clean as possible OXYGEN SYSTEM COMPONENTS Keeping in mind the effect of compressed oxyge...

Page 517: ...r The valve is interconnected with the gauge line as well as the regulator control valve and is constantly under cylinder pressure as long as the high pressure line is attached to the regulator Note T...

Page 518: ...e through a tee fitting at the tank regulator control valve The high pressure line connects into the valve such that it actuates a check valve permitting pressure to the line Disconnect the high press...

Page 519: ...loop two inches from the end of the shield Install as follows A Rout cable through the hole in the overhead duct and as shown in Figure 35 1 Tie wrap the cable as before B Make sure the cable properly...

Page 520: ...d 1 Before opening any valves check the pressure remaining in the airplane s oxygen cylinder If it is partly charged note the pressure indicated on the cylinder gauge Then open and close each valve on...

Page 521: ...ul service or hydrostatic tests be conducted by an FAA DOT or manufacturer Scott Aviation approved shop The following material gives recommended inspection and maintenance information for the various...

Page 522: ...n with a suitable spanner wrench 3 Torque the fittings into the outlets approximately 30 inch pounds Do not over torque as this could damage the outlet PURGING OXYGEN SYSTEM The system should be purge...

Page 523: ...GRIDS 2K3 THROUGH 2K5 INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 2K3 PIPER AIRCRAFT...

Page 524: ...2K6 CHAPTER VACUUM...

Page 525: ...Tips 2K12 2 81 37 12 00 Vacuum Gauge 2K14 37 13 00 Removal and Installation of Face Mounted Instruments 2K14 37 14 00 Vacuum Regulator Valve 2K14 37 14 01 Adjustments to Vacuum Regulator Valve 2K15 2...

Page 526: ...ither vacuum pump or from any other malfunction the check valve automatically closes and vacuum is supplied by one pump In this case one of the two red malfunction buttons appears on the face of the g...

Page 527: ...ES DO NOT EXCEED PLACARDED TORQUE LIMITATIONS 2 LOCATION OF MANIFOLD ASSEMBLY ON 44 180 S N 44 8195019 AND UP AND 44 180T S N 44 8107020 44 8107049 AND UP SIGMA TEK EDO AIRE AIRBORNE SEE NOTE 2 AIRBOR...

Page 528: ...in Leak in system Repair or replace lines tained at full throttle on ground Worn pump Replace pump Stuck regulator Clean or replace regulator Normal pressure indica Faulty flight instrument Replace in...

Page 529: ...instrument functioning pump pump Low vacuum system Filter dirty Clean or replace filter pressure Vacuum regulator valve Adjust regulator valve in incorrectly adjusted accordance with adjustments in t...

Page 530: ...O STEP TWO OF THIS SUBJECT PARAGRAPH FOR INSTALLATION OF FITTINGS C Hose clamps and fittings should be replaced when broken damaged or corroded 2 Fitting Installations A Make sure all air lines are cl...

Page 531: ...ld read from 4 9 inches to 5 1 inches of mercury vacuum 4 At 1200 RPM the vacuum gauge reading should be more than four inches of mercury 4 Gyro Filter A Gyro filter must be serviced on a scheduled ba...

Page 532: ...ources the appropriate red button appears at the face of the gauge REMOVAL AND INSTALLATION OF FACE MOUNTED INSTRUMENTS Since all instruments are mounted in a similar manner a description of a typical...

Page 533: ...essentially of an aluminum housing containing a tempered sleeve in which an offset rotor with moving blades is incorporated This assembly is driven by means of a coupling mated to the engine driven ge...

Page 534: ...GRIDS 2K16 THROUGH 2K18 INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 2K16 PIPER AIRCRAFT...

Page 535: ...2K19 CHAPTER ELECTRICAL ELECTRONIC PANELS AND MULTIPURPOSE PARTS...

Page 536: ...stallation of Carburetor Ice Sensor Probe 2L1 A 8 82 39 12 06 Removal and Installation of Overboost Sensor Switch 2L1 A 8 82 39 13 00 Electric Clock 2L1 A 8 82 39 13 01 Removal of Instrument Panel Mou...

Page 537: ...or The sensor switch will activate when the differential pressure is below 4 25 in hg The yellow OIL warning light is controlled by an oil pressure sensor switch incorporated in the oil line to the oi...

Page 538: ...low Replace a setting Defective sensor Replace Overboost warning light fails Manifold pressure gauge Check sensor activation Sensors to extinguish sensors set too low should activate at 36 1 to 36 5...

Page 539: ...OTING ANNUNCIATOR PANEL Trouble Cause Remedy LO BUS warning light fails Lamp burned out Replace lamp to illuminate HTR OVERTEMP light fails Lamp burned out Replace lamp to illuminate HRT OVERTEMP ligh...

Page 540: ...AND UP OIL VAC ALT HTR OVER TEMP LO BUS PRESS TO TEST SWITCH DIODE 7 EA RECEPTACLE RESISTOR NUT PLATE NUT PLATE C179 PA 44 180T PRESS TO TEST SWITCH RECEPTACLE DIODE 7 EA RESISTOR NUT PLATE NUT PLATE...

Page 541: ...vent dirt or other foreign matter from entering 5 Install the switch in reverse order given for removal REMOVAL AND INSTALLATION OF OIL PRESSURE SENSOR SWITCH For removal and installation procedures r...

Page 542: ...CLOCKS INSTRUMENT PANEL REAR VIEW PWR M2BR WIRE ASSEMBLY 86414 2 REF CLOCK CA7287 BORG INSTRUMENT WIRE ASSEMBLY 87347 4 GROUND 87352 60 GROUND INSTRUMENT PANEL HARNESS M2BR PIC MASTER SOLENOID BATTER...

Page 543: ...4 2 WIRE ASSEMBLY CONNECTOR BLACK TO GROUND SPLICE MODE RST MODE ST SP M2BR RED WHITE CONTROL WHEEL TUBE ASSEMBLY CONTROL WHEEL ASTROTECH LC 2P CHRONOMETER CONTROL WHEEL MOUNTED CLOCK INSTALLATION OPT...

Page 544: ...o remain in control wheel tube assembly INSTALLATION OF CONTROL WHEEL MOUNTED CLOCK 1 Attach cord to wire connectors of clock Using cords to aid in re routing electrical wiring insert clock in control...

Page 545: ...IRCUIT BREAKERS 1 Remove knurl nut from circuit breaker face plate front of instrument panel 2 From behind instrument panel remove circuit protector from instrument panel 3 Disconnect electrical conne...

Page 546: ...INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 2L6 PIPER AIRCRAFT...

Page 547: ...2L7 CHAPTER STRUCTURES...

Page 548: ...HERMOPLASTIC REPAIRS 2L16 PR 6 95 51 13 01 Surface Preparation 2L16 PR 6 95 51 13 02 Surface Scratches Abrasions or Ground in Dirt 2l16 PR 6 95 51 13 03 Deep Scratches Shallow Nicks and Small holes 2L...

Page 549: ...or of a different thickness than the original skin The repair must be as strong as the original skin However flexibility must be retained so the surrounding areas will not receive extra stress BAGGAGE...

Page 550: ...ng the screw holes in the cover scribe the position for the screw holes on the baggage compartment floor B Drill a 0 120 inch hole in baggage compartment floor at each position laid out in step 1 C At...

Page 551: ...3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 MATERIAL 2024 T3 2024 T3 2024 T3 1 2024 T3 2024 T3 2024 T3 1 2024 T3 2024 T3 5052 H34 BONDOLITE Z 3A THERMOPLASTIC THERMOPLASTIC THERMOPLASTIC FIBERGLASS 2024 T3...

Page 552: ...Figure 51 1 Skin Material and Thickness Sheet 2 of 2 PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 51 10 00 Page 51 04 Revised June 20 1995 2L12...

Page 553: ...PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 51 11 00 Page 51 05 Added June 20 1995 2L13 C L FORWARD AFT 14 99 2 50 8 48 30 TYP 2 28 R TYP 2 00 R TYP M 0 120 HOLE THRU N0 8 X 38 CRES TRUSS RECESSED HEA...

Page 554: ...x thoroughly use a cutting motion rather than stirring Use no fibers 3 Using tip of a putty knife or fingertips fill hole to about one sixteenth of an inch above surrounding surface with gel coat mixt...

Page 555: ...athering Strip cut edges of structure before cure is complete to save extra sanding Allow patch to cure overnight 14 Use dry 80 grit sandpaper on a power sander or sanding block to smooth patch and bl...

Page 556: ...ired using conventional automotive buffing and rubbing compounds PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 51 13 02 Page 51 08 Revised June 20 1995 2L16 ITEMS Buffing and Rubbing Compo...

Page 557: ...ing C Do not use solvent adhesives for highly stressed areas thin walled parts or for patching holes greater than 1 4 inch in diameter D For larger damages use an epoxy patching compound This type mat...

Page 558: ...mplete sand to obtain a good surface finish 4 CRACKS Refer to Figure 51 7 A Before repairing a crack in thermoplastic parts first determine what caused crack and alleviate condition to prevent it from...

Page 559: ...Figure 51 6 Welding Repair Method Figure 51 7 Repairing of Cracks PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 51 13 04 Page 51 11 Revised June 20 1995 2L19...

Page 560: ...Figure 51 8 Various Repairs PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 51 13 06 Page 51 12 Revised June 20 1995 2L20...

Page 561: ...ion and color use a hot air gun or similar heating device to apply heat to affected area Do not overheat material PAINTING THE REPAIR CAUTION NOT ALL LACQUERS OR ENAMELS CAN BE USED ON THERMOPLASTIC S...

Page 562: ...UND 1 Suggested Solvents Safety Solvent per MIL S 18718 Sherwin Williams Lacquer Thinner R7KC120 Glidden Thinner No 207 2 Safety Walk Material Walkway Compound and Matting Nonslip included in Piper Pa...

Page 563: ...ve all contaminates and moisture 2 Mask off area to protect painted surfaces 3 Apply suitable stripper MEK Federal Spec TT M 261 U S Rubber No 3339 to wing walk compound As compound softens remove wit...

Page 564: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 2L24...

Page 565: ...SEMINOLE MAINTENANCE MANUAL CARD 3 OF 4 PA 44 180 SEMINOLE PA 44 180T TURBO SEMINOLE PIPER AIRCRAFT CORPORATION PART NUMBER 761 664 June 20 1995 3A1...

Page 566: ...s 32 40 00 is for the Wheels and Brakes portion of the landing gear The individual units within a Sub System Section may be identified by a third element of the standardized numbering system such as 3...

Page 567: ...2 AIRCRAFT ENGINES Textron Lycoming Division Williamsport Pa 17701 PROPELLER Overhaul Instructions HARTZELL COMPACT CONSTANT SPEED and FEATHERING PROPELLER P N 117 D Hartzell Propeller Inc Piqua Ohio...

Page 568: ...DIO CORPORATION KFC 150 P O Box 610 400 North Rogers Road Mineral Wells Texas 76067 Olathe Kansas 66061 FUEL CELLS Maintenance LORAL Engineered Fabrics or Goodyear Aerospace Corp 669 Goodyear Street E...

Page 569: ...A complete list of paragraph titles and appropriate Grid location numbers is given at the beginning of each Chapter relating to the information within that Chapter 5 Identification of Revised Materia...

Page 570: ...3 1981 1 2 and 3 PR810824 August 24 1981 1 2 and 3 PR820826 August 26 1982 1 2 and 3 PR820909 September 9 1982 1 2 and 3 PR830103 January 3 1983 1 2 and 3 PR840326 March 26 1984 1 2 and 3 IR860730 Jul...

Page 571: ...ND MOORING 1C14 11 REQUIRED PLACARDS 1C17 12 SERVICING 1C22 20 STANDARD PRACT AIRFRAME 1E2 21 ENVIRONMENTAL SYSTEM 1E12 22 AUTOFLIGHT 1H21 23 COMMUNICATIONS 1H24 24 ELECTRICAL POWER 1I10 25 EQUIPMENT...

Page 572: ...PURPOSE PARTS 2K19 5l STRUCTURES 2L7 52 DOORS 3A18 55 STABILIZERS 3B8 56 WINDOWS 3B22 57 WINGS 3C10 61 PROPELLER 3D1 71 POWER PLANT 3D21 73 ENGINE FUEL SYSTEM 3F1 74 IGNITION 3F16 77 ENGINE INDICATIN...

Page 573: ...ock Rivet Removal 1E6 20 4 Identification of Aircraft Fluid Lines 1E8 21 1 Cabin Environmental System Installation 1E24 21 2 Heater and Combustion Air Blower Assembly 1F1 21 3 Diagrammatic Cutaway of...

Page 574: ...ts Installation 1H19 23 1 Communications Components Corporation ELT Schematic 1I3 23 2 ELT Using Fixed Aircraft Antenna Narco 1I4 23 3 ELT Portable Folding Antenna Narco 1I4 23 4 Narco ELT 10 Emergenc...

Page 575: ...Adjustments 1L13 27 21 Methods of Securing Trim Cables 1L13 27 22 Stabilator Trim Controls 1L15 27 23 Wrapping Trim Barrels 1L18 27 24 Stabilator Trim Screw Adjustment 1L18 27 25 Flap Controls 1L20 2...

Page 576: ...ation Typical 2F1 30 14 Wing Ice Lighting System 2F3 30 15 Ice Detection System 2F6 30 16 Heated Pitot and Heated Lift Detector Installation PA 44 180T 2F7 32 1 Main Gear Oleo Strut Assembly 2G1 32 2...

Page 577: ...L2 39 2 Electric Clock Installation cont 2L3 51 1 Skin Materials and Thickness Sheet 1 of 2 2L11 51 1 Skin Materials and Thickness Sheet 2 of 2 2L12 51 2 Baggage Compartment Inspection Hole Cutout Det...

Page 578: ...44 180T 3F6 73 3a Electric Primer System PA 44 180 S N 44 95001 and up 3F7 73 4 Engine Primer System PA 44 180T 3F8 73 5 Adjustment of Engine Controls Sheet 1 of 2 PA 44 180 s n s 4495001 thru 44 819...

Page 579: ...es Installation 3H3 77 2 Electric Tachometer Installation 3H9 77 3 Cylinder Head Temperature Gauge Calibration S N 44 95001 and up 3H12 77 4 EGT Probe Installation PA 44 l80T 3H16 78 1 Inspection of M...

Page 580: ...System 2C1 2903 Hydraulic Pump Motor Characteristics 2C6 3001 Troubleshooting Pneumatic Deice System 2D7 3002 Operating Pressures 2D11 3003 Materials and Supplies for Cold Repair 2D18 3004 Troublesho...

Page 581: ...perature Troubleshooting 3H11 7704 Exhaust Gas Temperature Troubleshooting 3H14 7901 Oil Pressure Sender Test Specifications 3I4 7902 Oil Pressure Gauge Troubleshooting 3I5 7903 Oil Temperature Indica...

Page 582: ...CHAPTER DOORS 3A18...

Page 583: ...3A22 A 1 83 52 13 01 Removal of Door Lock Assembly 3A22 52 13 02 Installation of Door Lock Assembly 3A22 52 14 00 Door Auxiliary Latch 3A22 A 1 83 52 14 01 Removal of Door Auxiliary Latch 3A22 52 14 0...

Page 584: ...n the eyebolts 2 Additional adjustments may be made by loosening the hinges on the door 3 To insure longer life of the door seals and improve sealing characteristics it is recommended they be lubricat...

Page 585: ...EMBLY 33 PIN 12 PAN 34 BOLT 13 SCREW 35 PIN 14 PLACARD 36 BUSHING 15 HANDLE 37 WASHER 16 DOOR ASSEMBLY 38 LINK 17 HINGE 39 DOOR HANDLE 18 PLACARD 40 BOX ASSEMBLY 19 PLACARD 41 SPRING 20 ARMREST 42 LAT...

Page 586: ...ARY LATCH 1 Remove the latch assembly by removing the two handles 2 Remove six screws holding the pan on the inside of the door 3 Remove the pan and pull the latch assembly through the opening on the...

Page 587: ...ce clean with a cleaner solvent such as DuPont Prepsol 3919S Note Refer to the List of Consumable Materials in Chapter 91 for types of appropriate neoprene adhesive C Make sure both the seal and surfa...

Page 588: ...the surfaces to come in contact The seal should not be stretched or pulled such that the cross section of the seal is reduced or distorted Make sure the door closes properly and that an airtight seal...

Page 589: ...s 5 Insure that all gaps and holes between the sills and longeron are filled with PMS C1012 sealant compound 6 Insure that neoprene seal is securely bonded to the emergency exit assembly 7 Cover the c...

Page 590: ...P 6264B 4 WHEN THE ADJUSTMENT OF DOOR IS COMPLETED TRIM THE EXCESS POLYMER FILM FROM THE INSIDE AND OUTSIDE OF THE INSTALLATION 5 FILL EXTERIOR GAPS BETWEEN THE DOOR AND FUSELAGE WITH PMS C1012 SEALA...

Page 591: ...latch mechanism 5 Sitting in the pilot s seat carefully push outward see CAUTION along the bottom of the door The force required to cause door to move should not exceed 40 pounds maximum CAUTION DO N...

Page 592: ...GRIDS 3B4 THROUGH 3B7 INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 3B4 PIPER AIRCRAFT...

Page 593: ...CHAPTER STABILIZERS 3B8...

Page 594: ...oval and Installation of Stabilator Trim Tab 3B10 55 23 00 Stabilator Balance 3B10 1 83 55 23 01 Balancing Equipment 3B12 55 23 02 Balancing Stabilator 3B12 2 81 55 30 00 VERTICAL STABILIZER 3B14 55 3...

Page 595: ...bilator was set with the balance weight on the heavy side of the limits to permit limited repair or paint touch up without adjusting the balance weight It should be noted however that spare stabilator...

Page 596: ...60 416 2 REQ NUT AN310 4 COTTER PIN MS24665 132 BOLT AN3 4A WASHER AN960 10L NUT MS20365 1032C 2 REQ BOLT AN4 7A WASHER AN960 416 NUT MS20365 428C 4 REQ WASHER AN960 416L OR WASHER AN960 416 ALTERNATE...

Page 597: ...h the control surface cord line and secure it in this position Remove the tool without disturbing the trailing edge support and balance the tool by adding weight to the light end as required The movab...

Page 598: ...428C AN5 6A SEE NOTE AN960 516 AN960 516L 1 PLACE NOTE THIS BOLT NOT INSTALLED ON PA 44 180 S N 44 8195015 AND UP AND PA 44 180T S N 44 8107039 AN5 6A AN960 516 UNDER NUT AN960 516L UNDER NUT AN960 5...

Page 599: ...ead Remove the fin 9 Install the fin in reverse of removal instructions Check all bolts for safety Refer to installation and rigging of stabilator trim cable rudder trim cable and rudder cable for adj...

Page 600: ...PER RUDDER HINGE 2 RUDDER TRIM TAB 3 TRIM TAB HINGE 4 RUDDER SECTOR 5 RUDDER SECTOR STOP 6 LOWER RUDDER HINGE 7 RUDDER STOP ADJUSTMENT BOLT 2303 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 55 42 01 Pag...

Page 601: ...res given in this chapter The static balance of the rudder must be within the limits specified in the figure referenced above Before balancing any control surface it must be complete including tip tri...

Page 602: ...to fit the width of the control surface Tighten the set screw on the trailing edge support 5 Adjust the trailing edge support vertically until the beam is parallel with the control surface chord line...

Page 603: ...GRIDS 3B18 THROUGH 3B21 INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 3B18 PIPER AIRCRAFT...

Page 604: ...CHAPTER WINDOWS 3B22...

Page 605: ...NO EFFECTIVITY 56 10 00 FLIGHT COMPARTMENT 3B24 56 11 00 Windshield 3B24 A 1 83 56 11 01 Removal and Installation of Windshield 3B24 56 20 00 CABIN 3B24 56 21 00 Side Windows 3B24 A 1 83 56 21 01 Rem...

Page 606: ...the bottom of the channel remove the protective paper B Firmly press tape type sealant PMSC1012 2 6 over the edge of the windshield that runs from the top center down to the side of the aircraft Equa...

Page 607: ...6 D D E E F F ISOCRYL TAPE ISOCRYL TAPE ISOCRYL TAPE 2019 B855 B854 B857 A A C C B B D D E E F F A A B B C C ISOCRYL TAPE ISOCRYL TAPE ISOCRYL TAPE PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 56 21 01...

Page 608: ...pply Behr Manning Norton sealant number PR307 or equivalent completely around the outer surface of the window at all attachment flanges 9 Remove the excess exposed sealer and tape DOOR EMERGENCY EXIT...

Page 609: ...equivalent refer to Chapter 91 Consumable Materials list for suppliers on both sides of the window around the outer edges 6 Insert the window in the frame and install the retainer molding 7 Secure th...

Page 610: ...GRIDS 3C4 THROUGH 3C9 INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 3C4 PIPER AIRCRAFT...

Page 611: ...CHAPTER WINGS 3C10...

Page 612: ...21 02 Repair of Wing Tip 3C12 57 21 03 Installation of Wing Tip 3C12 57 40 00 ATTACH FITTINGS 3C13 57 41 00 Wing Attachment 3C13 A 1 83 57 41 01 Removal of Wing 3C13 57 41 02 Installation of Wing 3C1...

Page 613: ...areful not to damage the wing or wing tip 2 Pull off the wing tip far enough to disconnect the navigation light wire assembly The ground lead may be disconnected at the point of connection on the wing...

Page 614: ...wing is being removed remove the cotter pin from the pulley bracket assembly to allow the left aileron balance cable end to pass between the pulley and bracket 11 Disconnect the flap from the torque...

Page 615: ...355 NOTE OF THE THREE REQUIRED WASHERS FOR THIS INSTALLATION ONLY THE AN960 616L AND ONE AN960 616 ARE ALLOWED BETWEEN THE WING AND FUSELAGE FITTINGS ALSO IF NECESSARY ONLY THE SINGLE AN960 616L WASHE...

Page 616: ...AN960 616L 1 AN960 616 2 MAX C 4 NAS464P5LA20 MS21042 6 1 AN960 616L 1 AN960 616 2 MAX C 5 NAS464P5LA21 MS21042 6 1 AN960 616L 1 96352 3 3 C 6 NAS464P5LA21 MS21042 5 1 AN960 516L 1 96352 2 3 D 1 NAS46...

Page 617: ...wing butt line Replace or install clamps where found necessary 11 Connect the hydraulic brake line onto the fitting located within the cockpit at the leading edge of the wing and the landing gear hyd...

Page 618: ...ory and normally should not require rebalancing Where possible the ailerons were set with the balance weight on the heavy side of the limits to permit limited repair or paint touch up without adjustin...

Page 619: ...REQ UNDER NUT MS20365 1032C AILERON HINGE WING HINGE A288 SKETCH D AN3 7A AN960 10 3 REQ 2 REQ UNDER NUT MS20365 1032C AILERON HINGE WING HINGE A288 SKETCH B AN3 11A AN960 10 MS20365 1032C 63900 19 2...

Page 620: ...nt A381 AN3 11A AN960 10L MS20365 1032C SKETCH F A380 SKETCH E SKETCH G BOLT AN23 18 NUT AN310 3 WASHER AN960 10 COTTER PIN MS24665 132 A313 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 57 51 03 Page 57...

Page 621: ...ce the tool on the control surface perpendicular to the hinge center line as shown in Figure 57 3 Read scale when the bubble level has been centered by adjustment of the movable weight and determine t...

Page 622: ...back off the wing INSTALLATION OF WING FLAP Refer to Figure 57 2 1 Replace the wing flap by placing the flap into its proper position and inserting the hinge bolts bushings washers and nuts 2 With the...

Page 623: ...GRIDS 3C22 THROUGH 3C24 INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 3C22 PIPER AIRCRAFT...

Page 624: ...CHAPTER PROPELLER 3D1...

Page 625: ...7995001 thru 44 8195026 and 44 8107001 thru 44 8207020 3D7 9R 6 90 61 21 03 Rigging and Adjustment of Propeller Governor S n s 4495001 3D8 A 6 95 61 22 00 Engine Synchrophaser 3D8 61 22 01 Test Equip...

Page 626: ...e properly lubricated the pitch change mechanism should be removed so that each blade can be checked individually If blades are tight the propeller should be disassembled 7 Inspect blades for damage o...

Page 627: ...70 foot pounds Refer to Figure 61 2 for additional information on three blade propeller installation 8 Check the propeller blade track 9 Safety the propeller mounting bolts with MS20995 C41 safety wir...

Page 628: ...Figure 61 2 Propeller Installation Two and Three Blade Propellers PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 61 11 03 Page 61 03 Revised June 20 1995 3D5...

Page 629: ...4 8107001 and up B Control rod rod end bearing from the governor control arm S n s 4495001 and up NOTE Have a means available to catch oil that will drip from governor when the oil line is disconnecte...

Page 630: ...setting as follows A Shut down the engine Remove the upper engine cowl NOTE One revolution of the fine adjustment screw will increase or decrease the engine speed approximately 20 rpm B Using the fine...

Page 631: ...he computer synchronizes the right engine to the left through a solenoid in the right propeller governor slave governor TEST EQUIPMENT The Hartzell B 4467 1 Test Set should be used to perform the foll...

Page 632: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 3D9...

Page 633: ...Figure 61 5 Synchrophaser System Installation Sheet 1 of 2 PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 61 10 00 Page 61 8 Revised June 20 1995 3D10...

Page 634: ...Figure 61 5 Synchrophaser System Installation Sheet 2 of 2 PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 61 10 00 Page 61 09 Revised June 20 1995 3D11...

Page 635: ...st has been satisfactorily completed 1 Loosen the nose cone and tilt it forward to make access to the computer station 21 55 on the left side of the aircraft 2 Disconnect the main wiring harness from...

Page 636: ...61 7 12 If the wiring harness checks good but the right or left engine or coil light does not function properly check the pulse generator as explained in Figure 61 7 Pulse Generator Backup Test Repla...

Page 637: ...ed June 20 1995 3D14 To check the pulse generator disconnect the drive cables and make note of the generator shaft position Connect this setup to the generator and with a small screwdriver rotate the...

Page 638: ...te the generator on the bracket till the cable fits Be sure the slot in the tachometer drive end still lines up with the timing mark NOTE The lights on the test box for the left and right engine pulse...

Page 639: ...east a two amp scale in series with one of the governor wires Refer to the wiring diagram to be sure the ammeter is connected with the proper polarity The solenoid coil gets its power from pin 13 of t...

Page 640: ...free piston type accumulator that is charged with nitrogen to a working pressure of 90 to 100 psig at normal room temperature Accumulator overhaul should coincide with governor overhaul Refer to McCa...

Page 641: ...gure 61 8 Propeller Unfeathering System PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 61 10 00 Page 61 16 Revised May 15 1989 3D18 1 GOVERNOR ASSEMBLY 2 ACCUMULATOR 3 HOSE BRACKET 4 BRACKE...

Page 642: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL GRIDS 3D19 AND 3D20 INTENTIONALLY LEFT BLANK 3D19...

Page 643: ...CHAPTER POWER PLANT 3D21...

Page 644: ...Shock Mounts 3E14 A 1 83 71 21 01 Installation of Engine Shock Mounts 3E14 PR 6 20 71 60 00 AIR INTAKES 3E14 71 61 00 PA 44 180 Induction System 3E14 71 61 01 Removal and Installation of PA 44 180 Ai...

Page 645: ...pt by Lycoming procedures Induction air is forced through an Airsearch TA04 turbocharger where it is compressed prior to reaching the carburetor Leading particulars on the engine can be found in Chart...

Page 646: ...eck with electric tester and replace defective wires Defective battery Replace with charged battery Improper operation of magneto Clean points Check internal breaker timing of magnetos Lack of suffici...

Page 647: ...running sluggish engine operation red by authorized personnel is exhaust flame at night indicated Extreme cases indicated by black smoke from exhaust Mixture too lean indicated Check fuel lines for d...

Page 648: ...bearings Repair or replace turbocharger Improper fuel flow Check strainer gauge and flow at the fuel inlet Restriction in air induction Examine air intakes and remove restrictions Improper fuel Drain...

Page 649: ...age in oil pump intake Check line for obstruction passage Clean suction strainer High oil temperature See High Oil Temperature in Trouble column Leaking oil seal in turbo Check for oil in turbo exhaus...

Page 650: ...w rings piston rings Failure of rings to seat new Use mineral base oil Climb to nitrided cylinders cruise altitude at full power and operate at 75 cruise power setting with high oil temperature until...

Page 651: ...r leakage in fuel pump Locate and correct pressure line Fuel selector not to correct travel Adjust fuel selector control Fluctuating fuel pressure Vapor in fuel lines Operate auxiliary pump till syste...

Page 652: ...ure it is clear of the engine E Remove the tubes from the intake drain valves at the bottom of the engine F Remove the ignition leads from the spark plugs so they can be made clear of the engine mount...

Page 653: ...ings 10 Disconnect the oil temperature lead at the top aft end of the engine and make sure it is clear of the engine at removal 11 Unscrew the tachometer cable out of the back of the engine and move c...

Page 654: ...d June 20 1995 3E8 B B A A WASHER SUPPLIED WITH KIT J9613 40 KIT PURCHASED FROM LORD 85012 101 WASHER AN7 47A BOLT AN960 716 WASHER MS20365 720C NUT 2 EACH REQUIRED TORQUE TO 450 500 IN LBS LOWER MOUN...

Page 655: ...AN960 716 WASHER MS20365 720C NUT 2 EACH REQUIRED TORQUE TO 450 500 IN LBS WASHER SUPPLIED WITH KIT J9613 40 KIT PURCHASED FROM LORD UPPER MOUNT VIEW A A 62833 140 WASHER 2 REQUIRED WASHER SUPPLIED W...

Page 656: ...20 1995 3E10 WASHER SUPPLIED WITH KIT J9613 40 KIT PURCHASED FROM LORD DAMPER PART OF KIT AN7 47A BOLT AN960 11 WASHER PS10062 8 720C NUT TORQUE 450 500 IN LB 2 REQUIRED 85012 101 WASHER LOWER MOUNT V...

Page 657: ...ottle mixture and carburetor heat cable to the engine components 11 Connect the starter positive and ground leads at the starter and secure with attachment clamps 12 Be certain that the magneto switch...

Page 658: ...flaps are manually operated through a push pull control from the cockpit The cowl flaps are connected to the engine cowls with full length piano type hinges OPERATION AND ADJUSTMENT OF COWL FLAPS The...

Page 659: ...Figure 71 2 Engine Cowling Installation Figure 71 3 Cowl Flap Installation PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 71 21 01 Page 71 15 Revised May 15 1989 3E13...

Page 660: ...to the two ducts and by a bracket to the engine mount structure The carburetor air box is connected to the carburetor heat duct which is additionally utilized as an alternate air source should the mai...

Page 661: ...Figure 71 4 PA 44 180 Inductioon System PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 71 61 02 Page 71 17 Revised May 15 1989 3E15...

Page 662: ...SNIFFLE VALVE MAINTENANCE The sniffle valve located on the inboard side of each bottom cowl functions to permit any liquid in the intake manifold to drain when the engine is shut down If the valve me...

Page 663: ...nspection information refer to Step 2 of the subject paragraph 1 The compressor inlet duct is an assembly unto itself and is supported through connection with the filter housing and the compressor inl...

Page 664: ...180T Induction System PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 71 63 03 Page 71 20 Revised June 20 1995 3E18 1 LATCH 2 FILTER 3 FILTER HOUSING 4 ALTENATE AIR DOOR 5 ACTUATING ARM 6 T...

Page 665: ...doors drill out the rivets and remove door and spacer 5 When replacing door remember to use the spacer between the hinge and box wall 6 Replace all assemblies in the reverse of the removal and make su...

Page 666: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL GRIDS 3E20 THRU 3E24 INTENTIONALLY LEFT BLANK 3E20...

Page 667: ...CHAPTER ENGINE FUEL SYSTEM 3F1...

Page 668: ...0 3F5 73 10 09 Electric Primer PA 44 180 s n s 4495001 and up 3F9 9R 6 95 73 10 10 Primer Jets 3F9 73 20 00 CONTROLLING 3F9 73 20 01 Adjustment of Throttle Mixture and Carburetor Heat Controls PA44 18...

Page 669: ...Remove the plug at the aft position of the carburetor and drain any accumulation of foreign matter 6 Check carburetor air box for wear and full travel of heat door CAUTION GROUND RUNNING WITH THE COWL...

Page 670: ...xture adjusting screw at the rear of the carburetor clockwise leaning the fuel mixture Continue to do this until the engine begins to run roughly at which time the engine speed will decrease B Turn th...

Page 671: ...ISASSEMBLY CLEANING AND ASSEMBLY OF PRIMER PA 44 180 Refer to Figure 73 2 1 The primer may be further disassembled after removal by removing the screws springs and check balls from the end of the cyli...

Page 672: ...3 4 1 2 14 3 6 13 5 4 12 11 9 9 10 10 7 7 8 FUEL SELECTORS LEFT RIGHT ENGINE ENGINE ON ON OFF OFF X FEED X FEED 8 6 5 12 13 4 4 LEFT FUEL CELL RIGHT FUEL CELL 3 2 14 2 1 3 1 PRIMER SOLENOID VALVE 2 PR...

Page 673: ...UMP SCUPPER DRAIN FUEL VENT SCUPPER DRAIN FUEL VENT FILLER CAP LEFT FUEL CELL FILLER CAP RIGHT FUEL CELL ENGINE DRIVEN FUEL PUMP ENGINE DRIVEN FUEL PUMP ELECTRIC FUEL PUMP ELECTRIC FUEL PUMP PRIMER SW...

Page 674: ...EADS DO NOT ALLOW SEALANT TO ENTER INTO THE SYSTEM VIEW A A SEE NOTE 1 BRACKET CLAMP SAFETY WIRE WITH MIL W 6713 TYPE 316 032 DIAMETER SEE DETAIL B TO CYLINDER NO 2 TO CYLINDER NO 4 TO CYLINDER NO 1 P...

Page 675: ...lines and bent or collapsed walls CONTROLLING ADJUSTMENT OF THROTTLE MIXTURE AND CARBURETOR HEAT CONTROLS PA 44 180 s n s 44 7195001 thru 44 8195026 and PA 44 180T s n s 44 8107001 and up Refer to Fi...

Page 676: ...e 73 5 Sheet 2 of 2 1 Throttle With the engine throttle control at full throttle position rig quadrant throttle lever to provide a 0 030 to 0 060 inch cushion from forward stop Adjust the throttle as...

Page 677: ...sition 5 Adjust the carburetor heat control as follows A Position the air box valve in the full cold position and the cockpit control 0 16 inch below the cold detent B The air box valve must be in the...

Page 678: ...ries using a 12 to 14 volt system with the sender and proceed as follows A Slowly increase the pressure to the sender till 9 0 5 psi is reached B Let the system set at the pressure for a couple of sec...

Page 679: ...efective fuel pump Obstruction in inlet side of pump Faulty bypass valve Faulty diaphragm Surge dome or pump filled with fuel Air in line Fuel in line expanding due to heat build up in cowling Remedy...

Page 680: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL GRIDS 2F14 AND 2F15 INTENTIONALLY LEFT BLANK 3F14...

Page 681: ...CHAPTER IGNITION 3F16...

Page 682: ...Magneto Timing Procedure Internal Timing 3G2 74 11 04 Impulse Coupling Removal 3G6 74 11 05 Inspection of Impulse Coupling 3G6 74 11 06 Impulse Coupling Installation 3G10 74 20 00 DISTRIBUTION 3G12 7...

Page 683: ...to spin the rotating magnet and produce the spark required to fire the engine After the engine starts the impulse coupling flyweights do not engage due to centrifugal action The coupling then acts as...

Page 684: ...ed value Trouble Cause Remedy Low power and uneven Defective spark plugs Clean and gap or replace running spark plugs Magneto breaker points not Clean points Check internal working properly timing of...

Page 685: ...average contact point will look when surfaces are separated for inspection CAUTION DO NOT OPEN POINT CONTACTS MORE THAN 0625 OF AN INCH FOR EXAMINATION OF CONTACT SURFACES EXCESSIVE SPREADING OF THE...

Page 686: ...E SURROUNDING SURFACE REJECT POINTS NORMAL POINT IS SMOOTH AND FLAT SURFACE HAS DULL GRAY SANDBLASTED APPEARANCE MINOR IRREGULARITIES SMOOTH ROLLING HILLS AND DALES WITHOUT ANY DEEP PITS OR HIGH PEAKS...

Page 687: ...ither clockwise R or counterclockwise L rotation of the magneto as viewed from the magneto drive end The timing tooth of the large distributor gear is marked with red paint Refer to Figure 74 6 3 When...

Page 688: ...Timing Light Connected to Magneto ROTATION ROTATION RIGHT ENGINE LEFT ENGINE GREEN BENDIX SWITCH LEAD TERMINAL KIT P N 10 382698 BLACK RED PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 74 11 02 Page 74...

Page 689: ...n of magneto rotation until the red distributor tooth is centered in the timing hole Also check to ensure that the built in pointer just ahead of the rotor viewing window aligns with the R or L mark o...

Page 690: ...timing should be accomplished using the first main breaker to open as a reference point when the engine is in the firing position for the No 1 cylinder This will insure that ignition created by eithe...

Page 691: ...magneto cover 2 Loosen flange clamps and remove magneto from engine 3 Check condition of points replace if necessary 4 Rotate the magneto drive shaft until a main cam lobe touches the follower of the...

Page 692: ...aker securing screws and position breaker so cam follower is pressed against cam with points closed Tighten contact assembly securing screws to prevent contact assembly from bouncing back when moved U...

Page 693: ...Figure 74 8 Timing Light Connected to Magneto and Breakers PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 74 11 03 Page 74 11 Revised May 15 1989 3G4 PIPER AIRCRAFT...

Page 694: ...SCREW 5 LOCK WASHER 6 FLAT WASHER 7 RETARD CAM 8 MAIN CAM A561 DATA PLATE TOP OF MAGNETO RIGHT MAIN BREAKER CONTACT ASSEMBLY A A LEFT MAIN AND RETARD BREAKER ASSEMBLY LEFT MAGNETO HIGH TENSION OUTLET...

Page 695: ...r over protective cap and cam assembly with wide jaws of puller hooked under cam assembly as shown in Figure 74 10 4 Tighten puller handle to remove coupling from shaft If coupling does not release wi...

Page 696: ...ing Figure 74 11 Checking Flyweight to Stop Pin Clearance Figure 74 12 Stop Pin Installation Dimension 805 806 0 015 MIN 0 005 0 020 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 74 11 05 Page 74 14 Revi...

Page 697: ...7412 is obtained 3 Visually inspect flyweight securing washers and flyweights particularly in area around the axle hole for cracks Grip washers with pliers and exert moderate turning force to check lo...

Page 698: ...Points of Coupling Body Wear Figure 74 16 Acceptable and Deformed Coupling Springs 823 ACCEPTABLE REJECT 803 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 74 11 05 Page 74 160 Revised May 15 1989 3G9 PI...

Page 699: ...and body for magnetization which would prevent flyweights from engaging Hold the assembly as shown in Figure 7417 and push upper flyweight against body When released flyweight must drop down If flywei...

Page 700: ...oupling Figure 74 18 Orientation of Spring for Magnetization in Coupling Body Figure 74 19 Lifting Inner End of Spring 813 813A PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 74 11 06 Page 74 18 Revised M...

Page 701: ...ach harness lead using a High Tension Lead Tester Part No 11 8888 or 11 8888 1 from Bendix as follows A Connect black test lead to contact spring and red lead to eyelet of the same lead Refer to Figur...

Page 702: ...ty Insulation Resistance Figure 74 22 Modified Pliers Figure 74 23 Removing Spring From Lead Assembly A566 244 CUT NOTCH TO FIT SNUG ON NO 58 DRILL WITH JAWS CLOSED 90 230 243 PA 44 180 180T AIRPLANE...

Page 703: ...ng retainer assembly as shown in Figure 7425 Screw the cable terminal into the tool D Work insulating sleeve and spring retainer assembly into position over the cable and unscrew the tool Install cont...

Page 704: ...IN BRAZE DRILL NO 47 1 4 IN DEEP TAP 3 48 12 000 IN MAT NO 30 DRILL ROD OR EQUIVALENT BLEND O D TO I D POLISH O D C346A SPRING RETAINER ASSEMBLY TOOL CABLE SLEEVE PA 44 180 180T AIRPLANE MAINTENANCE M...

Page 705: ...74 27 Ferrule Seating Tool C473 1 2 COATING SCRAPED FROM BRAID BRAID TO EDGE OF KNURLING BLUE COATING C347 2 750 2 375 MATERIAL BRASS 0 506 0 250 PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 74 21 02 P...

Page 706: ...fter Installation Figure 74 30 Lubricating Sleeve Figure 74 31 Lubricating Ferrule Shoulder C473 11 8625 PLUNGER ASSEMBLY 11 8626 SPRING INSERTION GUIDE DISTRIBUTOR BLOCK C467 COAT C467A LUBRICATE C47...

Page 707: ...ark plug barrel Lightly lubricate the shoulder of ferrule to minimize twisting of ferrule Refer to Figure 74 31 Use GO JO NO LOK manufactured by GO JO Inc Akron Ohio 44309 10 Check cam securing screw...

Page 708: ...l insulator 2 Remove the spark plug from the engine In the course of engine operation carbon and other combustion products will be deposited on the end of the spark plug and will penetrate the lower t...

Page 709: ...PECTION AND CLEANING OF SPARK PLUGS 1 Visually inspect each spark plug for the following non repairable defects A Severely damaged shell or shield threads nicked up stripped or cross threaded B Badly...

Page 710: ...S Refer to Chapter 30 for removal and installation procedures REMOVAL AND INSTALLATION OF STARTER SWITCH Refer to Chapter 39 for removal and installation procedures Figure 74 33 Magneto and Starter Sw...

Page 711: ...GRIDS 3G22 THROUGH 3G24 INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 3G22 PIPER AIRCRAFT...

Page 712: ...CHAPTER ENGINE INDICATING 3H1...

Page 713: ...nstallation PA 44 180T 3H8 A 8 82 77 13 01 Removal and Installation of Tach Indicator 3H8 A 8 82 77 13 02 Removal and Installation of EMI Filter 3H8 A 8 82 77 13 03 Removal and Installation of Magneti...

Page 714: ...3265 5 4 6 14 10 9 14 8 8 7 1 2 14 8 8 10 12 13 2 3 4 1 1 OIL PRESSURE GAUGE SENDER 2 OIL PRESSURE SWITCH 3 HOURMETER SWITCH 4 FUEL PRESSURE GAUGE SENDER 5 FUEL PRESSURE LINE 6 OIL PRESSURE LINE 7 VAC...

Page 715: ...E GAUGE SENDER 3 OIL PRESSURE SWITCH 4 OIL PRESSURE GAUGE SENDER 5 MANIFOLD PRESSURE LINE 6 OIL PRESSURE LINE 7 MANIFOLD PRESSURE LINE FILTER 8 MANIFOLD PRESSURE LINE FILTER HOUSING 9 MANIFOLD PRESSUR...

Page 716: ...move the four screws on the panel which will be holding the cluster to the panel 2 Label the wires to facilitate reinstallation 3 Remove the clear lens cluster cover 4 Remove the nuts and washers from...

Page 717: ...correct for the counter rotation of the right hand engine Note Tachometer P N 62177 3 must be used with Hartzell Propeller HC C2YK 2CLGF FJC7666A or HC 2YK 2CGF FC7666A For information on the electri...

Page 718: ...p Repair or replace excessively bend in cable Excessive friction in Replace instrument instrument Indicator changes in Excessive clearance in Replace instrument climb speed cup Pointer goes all the wa...

Page 719: ...nel mounted to the panel support remove the electrical connections making note of their installed positions and remove the two screws securing the filter 2 Install the wires where previously noted and...

Page 720: ...W C C A PLAN VIEW A C C CIRCUIT BREAKER II TACHOMETER CANNON PLUG TOP VIEW SEE NOTE NEXT PAGE RING GEAR WHITE MAGNETIC PICKUP T3L ON L ENGINE T3R ON R ENGINE ROUTE WITH MAG LEADS PA 44 180 180T AIRPLA...

Page 721: ...ROUND RING GEAR TO INSURE THAT PROPER CLEARANCE IS MAINTAINED CIRCUIT BREAKER II T1A T1D T3G T2G T3L L ENGINE PICKUP R ENGINE PICKUP WIRE DETAIL SCHEMATIC T1B T1C A B C D F E T2L T2R T3R BLACK BLACK W...

Page 722: ...auge should indicate approximately the known temperature On a cold engine there should be a drop of the needle TROUBLESHOOTING CYLINDER HEAD TEMPERATURE GAUGE CHART 7703 CYLINDER HEAD TEMPERATURE REMO...

Page 723: ...resistance indicated on the chart Power Resistor Decade Box 3 If the gauge does not meet the tolerances set forth in the chart it must be replaced or recalibrated 4 Reinstallation should be the revers...

Page 724: ...owing checks should be performed before removing the instrument 1 Remove probe from exhaust stack and check for broken weld at tip end or burnt off end Measured resistance of probe should be 8 ohms Cl...

Page 725: ...the instrument and remove it through the aircraft to the engine 2 Cut the safety wire at the probe clamp and remove the probe from the number one cylinder exhaust Trouble Cause Remedy Gauge inoperati...

Page 726: ...of the instrument F Attach the lead wires to their appropriate terminals of the instrument as shown in Figure 77 1 2 S n s 4495001 and up A If not already done drill a 129 inch hole for the probe in...

Page 727: ...Figure 77 4 EGT Probe Installation PA 44 180T PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 77 32 04 Page 77 14 Revised May 15 1989 3H16...

Page 728: ...nsion indicated secure the probe by tightening the jam nut CAUTION DO NOT KINK OR PINCH THE LEAD WIRE MINIMUM BEND RADIUS OF THE LEAD WIRE IS 1 8 INCH 2 Secure the lead cable to the engine mount and r...

Page 729: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 3H18...

Page 730: ...CHAPTER EXHAUST 3H19...

Page 731: ...ec Page 1 Revised May 15 1989 3H20 CHAPTER 78 EXHAUST TABLE OF CONTENTS EFFECTIVITY CHAPTER SECTION GRID SUBJECT SUBJECT NO EFFECTIVITY 78 00 00 GENERAL 3H21 78 01 00 Description PA 44 180 3H21 78 02...

Page 732: ...ystem in reverse of removal instructions LEAK TEST OF MUFFLER PA 44 180 Note Make sure to inspect each muffler clip joint for excessive exhaust leakage minor discoloration and leakage is normal If exc...

Page 733: ...GRIDS 3H22 THROUGH 3H24 INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 3H22 PIPER AIRCRAFT...

Page 734: ...CHAPTER OIL 3I1...

Page 735: ...ure 3I3 79 31 01 Removal of Oil Pressure Sensors 3I3 A 1 82 79 31 02 Oil Pressure Sender Test 3I3 79 31 03 Installation of Oil Pressure Senders 3I4 79 31 04 Engine Oil Pressure Gauge 3I4 79 31 05 Trou...

Page 736: ...elow 50 F INDICATING OIL PRESSURE REMOVAL OF OIL PRESSURE SENDERS There are two sending units for each engine One for oil pressure and the other for a warning light Both units are mounted on a common...

Page 737: ...oil pressure gauges are mounted in two respective clusters or in an adjacent configuration on the instrument panel the latter is installed on S N 44 95001 and up Each gauge indicates the amount of oil...

Page 738: ...the chart by use of a fixed resistor or a test unit capable of simulating the resistance indicated on the chart Power Resistor Decade Box Trouble Cause Remedy Excessive error at zero Pointer loose on...

Page 739: ...e 79 1 Oil Pressure Gauge Calibration PA 44 180 S N 44 95001 and up CALIBRATION CHART GRADUATION OHMS DEGREES TOLERANCE DOT MECH ZERO 40 1 2 0 10 34 5 1 2 25 45 16 1 55 84 5 8 5 1 95 132 27 5 1 115 15...

Page 740: ...uded for use in verifing that the suspected faulty gauge is within tolerance Actual recalibration of the gauge must be performed by the manufacturer or an approved instrument repair facility 1 With th...

Page 741: ...moval Figure 79 2 Oil Temperature Gauge Calibration PA 44 180 S N 44 95001 and up CALIBRATION CHART GRADUATION OHMS DEGREES TOLERANCE DOT MECH ZERO 40 1 2 75 F 903 5 33 5 1 180 F 100 12 5 1 245 F 36 3...

Page 742: ...GRIDS 3I9 THROUGH 3I10 INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 3I9 PIPER AIRCRAFT...

Page 743: ...CHAPTER STARTING 3I11...

Page 744: ...01 Maintenance of Starting System 3I16 80 10 02 Overhaul of Starting Motor 3I17 80 10 03 Removal of Starting Motor 3I17 80 10 04 Disassembly of Starting Motor 3I17 80 10 05 Brushes 3I17 80 10 06 Armat...

Page 745: ...is held in position on the shaft by a spiral pin The shaft is supported in the gear housing by a closed end roller bearing and in the pinion housing by a graphitized bronze bearing When the armature...

Page 746: ...lities are not available for running in brushes then the brush should be properly seated by inserting a strip of number 000 sandpaper between the brush and com mutator with the sanded side next to the...

Page 747: ...clean inspect speed Iubricated motor or starter and relubricate replacing gearing ball bearings if worn Same electrical causes as Same remedies listed for listed under Motor fails these troubles to op...

Page 748: ...ld be made to locate any high resistance connections that would affect starting motor efficiency This test is made with a low reading voltmeter while cranking the engine or at approximately 100 RPM Th...

Page 749: ...t brushes and lock in elevated position with brush springs Use a puller to remove the end head from the armature Use a special bearing puller to remove the sealed ball bearing from the armature shaft...

Page 750: ...on of the commutator segments for excessive discoloration This condition indicates an open circuit FIELD COILS See Figure 80 4 1 Check the field coils for grounds by placing one test probe on the fram...

Page 751: ...TER VOLTMETER 376A 376 Figure 80 2 Turning Motor Commutator Figure 80 4 Testing Motor Fields for Grounds Figure 80 5 No Load Test Hookup Figure 80 3 Testing Motor Armature for Shorts PA 44 180 180T AI...

Page 752: ...connect as shown in Figure 80 5 If current is too high check the bearing alignment and end play to make sure there is no binding or interference Two or three sharp raps on the frame with a rawhide ha...

Page 753: ...ING SCALE STARTING MOTOR Motor Model MZ 4220 Min Brush Tension 32 oz Max Brush Tension 40 oz No Load Test 77 F Volt 10 Max Amps 75 Min R P M 2000 Stall Torque Amps 560 Min Torque Ft Lbs 38 0 Approx Vo...

Page 754: ...GRIDS 3I22 THROUGH 3I24 INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 3I22 PIPER AIRCRAFT...

Page 755: ...CHAPTER TURBINES 3J1...

Page 756: ...ARGER 3J9 81 21 00 Removal of Turbocharger 3J9 81 22 00 Installation of Turbocharger 3J9 81 23 00 Prelubrication of Turbocharger 3J11 81 24 00 Initial Run In Procedure Precautions 3J13 81 25 00 Routin...

Page 757: ...ENGINE AT ANY SPEED FASTER THAN IDLE IMMEDIATELY AFTER START UP CAN RESULT IN OIL LAG FAILURE OF TURBOCHARGER BEARINGS ESPECIALLY IN COLD WEATHER OR AFTER A PROLONGED NON OPERATIVE PERIOD TROUBLESHOOT...

Page 758: ...st rings pistons maintenance manual valves etc Engine overboosts Pressure relief valve fails to Recalibrate overhaul or replace open relief valve Exhaust bypass valve Adjust bypass valve improperly ad...

Page 759: ...eel needed Heavy sludge or coking in center Overhaul turbocharger Service housing engine lubrication system Turbocharger seal leakage at Excessive prelube of turbo Perform correct prelube of turbine e...

Page 760: ...pressor Clean and repair induction wheel system Overhaul turbocharger Engine malfunction Piston Refer to engine manufacturer s blowby or high internal maintenance manual crankcase pressure Pressure re...

Page 761: ...ign material lodged in Disassemble and clean power cont compressor impeller or turbine Excessive dirt build up in Clean compressor assembly compressor Service air cleaner and check for leakage Leak in...

Page 762: ...pressor Centripetal Acting in a direction toward a center or axis as in the centripetal radial inflow of air in the turbocharger turbine Coking Common term for the process in which oil is carbonized b...

Page 763: ...emove the protective covers from the turbocharger and the engine 2 Check to ensure that the turbocharger compressor and turbine housings are properly oriented to the center housing and locked Refer to...

Page 764: ...OR AIR DISCHARGE ABSOLUTE PRESSURE RELIEF VALVE THROTTLE AMBIENT AIR EXHAUST INLET EXHAUST TURBINE HOUSING TURBINE WHEEL TAIL PIPE EXHAUST DISCHARGE GROUND ADJUSTABLE EXHAUST BYPASS VALVE TURBOCHARGED...

Page 765: ...emporarily disconnect the engine oil supply line from the turbocharger oil inlet port and the engine air duct from the compressor housing inlet 2 Fill the turbocharger oil inlet port with clean engine...

Page 766: ...ABSOLUTE PRESSURE RELIEF VALVE GROUND ADJUSTABLE EXHAUST BYPASS VALVE EXHAUST TURBINE HOUSING REAR VIEW OF ENGINE SHOWING TURBOCHARGER INSTALLATION GROUND ADJUSTABLE EXHAUST BYPASS VALVE EXHAUST TURBI...

Page 767: ...acks punctures corrosion or other evidence of deterioration 2 Check the air duct connection between the compressor and the engine intake manifold and between the intake manifold and engine 3 Ensure th...

Page 768: ...bypass valve perform a complete inspection of the power plant system The exhaust bypass valve is preset at the factory so as to reach critical altitude at 12 000 feet density altitude full throttle an...

Page 769: ...GRIDS 3J15 THROUGH 3L24 INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 3J15 PIPER AIRCRAFT...

Page 770: ...SEMINOLE MAINTENANCE MANUAL CARD 4 OF 4 PA 44 180 SEMINOLE PA 44 180T TURBO SEMINOLE PIPER AIRCRAFT CORPORATION PART NUMBER 761 664 June 20 1995 4A1...

Page 771: ...s 32 40 00 is for the Wheels and Brakes portion of the landing gear The individual units within a Sub System Section may be identified by a third element of the standardized numbering system such as 3...

Page 772: ...2 AIRCRAFT ENGINES Textron Lycoming Division Williamsport Pa 17701 PROPELLER Overhaul Instructions HARTZELL COMPACT CONSTANT SPEED and FEATHERING PROPELLER P N 117 D Hartzell Propeller Inc Piqua Ohio...

Page 773: ...DIO CORPORATION KFC 150 P O Box 610 400 North Rogers Road Mineral Wells Texas 76067 Olathe Kansas 66061 FUEL CELLS Maintenance LORAL Engineered Fabrics or Goodyear Aerospace Corp 669 Goodyear Street E...

Page 774: ...A complete list of paragraph titles and appropriate Grid location numbers is given at the beginning of each Chapter relating to the information within that Chapter 5 Identification of Revised Materia...

Page 775: ...3 1981 1 2 and 3 PR810824 August 24 1981 1 2 and 3 PR820826 August 26 1982 1 2 and 3 PR820909 September 9 1982 1 2 and 3 PR830103 January 3 1983 1 2 and 3 PR840326 March 26 1984 1 2 and 3 IR860730 Jul...

Page 776: ...ND MOORING 1C14 11 REQUIRED PLACARDS 1C17 12 SERVICING 1C22 20 STANDARD PRACT AIRFRAME 1E2 21 ENVIRONMENTAL SYSTEM 1E12 22 AUTOFLIGHT 1H21 23 COMMUNICATIONS 1H24 24 ELECTRICAL POWER 1I10 25 EQUIPMENT...

Page 777: ...PURPOSE PARTS 2K19 5l STRUCTURES 2L7 52 DOORS 3A18 55 STABILIZERS 3B8 56 WINDOWS 3B22 57 WINGS 3C10 61 PROPELLER 3D1 71 POWER PLANT 3D21 73 ENGINE FUEL SYSTEM 3F1 74 IGNITION 3F16 77 ENGINE INDICATIN...

Page 778: ...ock Rivet Removal 1E6 20 4 Identification of Aircraft Fluid Lines 1E8 21 1 Cabin Environmental System Installation 1E24 21 2 Heater and Combustion Air Blower Assembly 1F1 21 3 Diagrammatic Cutaway of...

Page 779: ...1H19 23 1 Communications Components Corporation ELT Schematic 1I3 23 2 ELT Using Fixed Aircraft Antenna Narco 1I4 23 3 ELT Portable Folding Antenna Narco 1I4 23 4 Narco ELT 10 Emergency Locator Trans...

Page 780: ...13 27 21 Methods of Securing Trim Cables 1L13 27 22 Stabilator Trim Controls 1L15 27 23 Wrapping Trim Barrels 1L18 27 24 Stabilator Trim Screw Adjustment 1L18 27 25 Flap Controls 1L20 27 26 Flap Step...

Page 781: ...F1 30 14 Wing Ice Lighting System 2F3 30 15 Ice Detection System 2F6 30 16 Heated Pitot and Heated Lift Detector Installation PA 44 180T 2F7 32 1 Main Gear Oleo Strut Assembly 2G1 32 2 Main Gear Servi...

Page 782: ...c Clock Installation cont 2L3 51 1 Skin Materials and Thickness Sheet 1 of 2 2L11 51 1 Skin Materials and Thickness Sheet 2 of 2 2L12 51 2 Baggage Compartment Inspection Hole Cutout Details 2L13 51 3...

Page 783: ...3a Electric Primer System PA 44 180 S N 44 95001 and up 3F7 73 4 Engine Primer System PA 44 180T 3F8 73 5 Adjustment of Engine Controls Sheet 1 of 2 PA 44 180 s n s 4495001 thru 44 8195026 and PA44 1...

Page 784: ...3H3 77 2 Electric Tachometer Installation 3H9 77 3 Cylinder Head Temperature Gauge Calibration S N 44 95001 and up 3H12 77 4 EGT Probe Installation PA 44 l80T 3H16 78 1 Inspection of Mufflers 3H21 79...

Page 785: ...System 2C1 2903 Hydraulic Pump Motor Characteristics 2C6 3001 Troubleshooting Pneumatic Deice System 2D7 3002 Operating Pressures 2D11 3003 Materials and Supplies for Cold Repair 2D18 3004 Troublesho...

Page 786: ...eshooting 3H11 7704 Exhaust Gas Temperature Troubleshooting 3H14 7901 Oil Pressure Sender Test Specifications 3I4 7902 Oil Pressure Gauge Troubleshooting 3I5 7903 Oil Temperature Indicators Troublesho...

Page 787: ...CHAPTER CHARTS AND WIRING DIAGRAMS 4A18...

Page 788: ...n Tables 4B7 A 8 80 91 10 00 SPECIAL TOOLS 4B11 91 11 00 Control Surface Balancing Too1 4B11 2 81 91 12 00 Fabricated Aileron Bellcrank Rigging Tool 4B12 91 13 00 Fabricated Aileron and Flap Rigging T...

Page 789: ...ascertain that the male threads are properly lubricated Torque the fittings in accordance with Chart 9101 CHART 9101 FLARE FITTING TORQUES TORQUE INCH POUNDS TUBING ALUMINUM ALLOY STEEL TUBING HOSE EN...

Page 790: ...5 Refer o the latest revision of Lycoming Service Table Limits SSP1776 for torques on parts used on Lycoming engines 6 A maximum of two AN960 washers may be added under bolt heads or nuts to correct...

Page 791: ...imits 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 2...

Page 792: ...CHART 9103 DECIAMAL CONVERSIONS PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 02 00 Page 91 04 Revised May 15 1989 4A23 PIPER AIRCRAFT...

Page 793: ...0 2 794 64 0 036 0 9144 T 0 358 9 1281 7 0 201 5 1054 7 64 0 1093 2 7781 65 0 035 0 899 S 0 346 8 7884 8 0 199 5 0546 36 0 1065 2 7051 66 0 033 0 8382 11 32 0 3437 8 7300 9 0 196 4 9784 37 0 104 2 641...

Page 794: ...g with a washer and nut a drill press and file may be used to make the off set on the bushing The turned down part should just slide inside the bearing race Ream the pilot hole to slide over the 8 pip...

Page 795: ...Lubriplate or Fiske Bros Refining Co Mag 1 Purch 129 Lockwood St Newark N J 07105 201 589 9150 Lubricating Grease MIL L 7711 Regal AFB2 Texaco Inc General Purpose 2000 Westchester Ave superseded by W...

Page 796: ...A Royal Lubricants Co River Road Hanover N J 07936 201 887 3100 Shell 6249 Grease Shell Oil Co One Shell Plaza Houston Texas 77002 713 220 6697 Lubricating Grease Texaco Marfak All Purpose All Purpose...

Page 797: ...e DuPont 7 Ram Chemical 69 x 1 Mirro Glaze 1 F a n t a s t i c S p r a y Perchlorethylene VM P Naphtha Lighter Fluid Methylene Chloride Methylethylketone Acetone Solarite 400 PR307 VENDOR Dupont Compa...

Page 798: ...733 1110 Shamban W S and Co 11543 W Olympic Blvd Los Angeles CA 90064 213 879 2270 003 x 25 wide Johnson and Johnson Inc Permacel Div 501 George Street New Brunswick N J 08903 201 524 0400 Leak Detect...

Page 799: ...reet Chicago Illinois 60628 Tube Fitting Swageloc Fitting Crawford Fitting Co 29500 Solon Road Solon Ohio 44139 216 248 4600 Notes 1 If 100 octane green fuel is not available use 100 octane low lead b...

Page 800: ...efer to Chart 9106 A Example Convert 1 5 inches 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...

Page 801: ...50 0 148 89 300 572 0 6 67 20 68 0 154 44 310 590 0 1 11 30 86 0 160 00 320 608 0 4 44 40 104 0 165 56 330 626 0 10 00 50 122 0 171 11 340 644 0 15 56 60 140 0 176 67 350 662 0 21 11 70 158 0 182 22 3...

Page 802: ...57 2 082 2 108 2 133 2 159 2 184 2 209 2 235 2 260 0 09 2 286 2 311 2 336 2 362 2 387 2 413 2 438 2 463 2 489 2 514 INCHES 0 00 0 01 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 MILLIMETER 0 0 0 254 0 508...

Page 803: ...LUID 29 57 CU CM 12 000 MILS 1 805 CU IN 304 8 MM 0 3333 YARDS LB AVDP 453 6 GRAMS 7000 GRAINS FT LB 0 1383 M KG 16 0 OUNCES 0 001285 BTU 0 000000376 KW HR SQUARE INCH 6 4516 SQ CM FLUID OZ 8 DRAM POU...

Page 804: ...TROL SURFACE BEAM BALANCING VOLT USED FOR BALANCING THE T OOL ITSELF ONCE THE TRAILING EDGE SUPPORT HAS BEEN SET NUTS AND OR WASHERS ADDED AS REQUIRED TO BALANCE TOOL ITSELF 3 LB MOVABLE WEIGHT WITH M...

Page 805: ...e 91 3 Fabricated Aileron Bellcrank Rigging Tool 3 85 3 10 125 625 250 750 1 0 062 R 062 R 062 R 062 R PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 12 00 Page 91 17 Revised May 15 1989 4B12 PIPER AIR...

Page 806: ...375 4 0 SEE NOTE 2 NOTES 1 DRILL AND TAP TO 10 32 NF AN 3 BOLT JAM NUT AND INTERNAL STAR WASHER MAY BE USED FOR SPACER OR AN 3 BOLT WITH HEAD FILED TO REQUIRED LENGTH 2 SPAR STOCK AMY BE USED IN PLACE...

Page 807: ...3 18 03 20 00 15 03 1 29 1 10 82 94 1 53 1 00 2 28 LEADING EDGE 3 82 82 1 12 2 00 1 39 1 60 SURFACE PARALLEL TO BASE LINE STABILATOR CONTOUR 25 SET BACK BASE LINE FWD FOR 36 RUDDER TRAVEL MAKE FROM 12...

Page 808: ...UIT FUNTION CIRCUITS LETTER A AUTOPILOT C CONTROL SURFACE F FLIGHT INSTRUMENT G LANDING GEAR H HEATER VENTILATING DEICING L LIGHTING P POWER Q FUEL OIL ENGINE INSTRUMENT RP RADIO POWER RZ RADIO AUDIO...

Page 809: ...CHART 9108 ELECTRIC SYMBOLS Old Style Sheet 1 of 3 PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 22 00 Page 91 21 Revised June 20 1995 4B16...

Page 810: ...LIMITER RECEPTACLE PLUG MATED PLUG RECEPTACLE GROUND TO CHASSIS WITH TERMINAL GROUND OR CIRCUIT RETURN GROUNDS FUSE A DIODES GENERAL ZENER UNIDIRECTIONAL ZENER BIDIRECTIONAL T P SHIELDED TWO CONDUCTOR...

Page 811: ...ACTUATED OPENS ON RISING TEMPERATURE OR t t t t NOTE t SYMBOL SHALL BE REPLACED BY DATA GIVING THE OPERATING TEMPERATURE OF THE DEVICE NORMALLY OPEN NORMALLY OPEN HELD CLOSED SELECTOR OR MULTI POSITI...

Page 812: ...RAULIC PUMP 25 25 0 X LANDING GEAR CONT WARN 5 X LANDING GEAR SOLENOID 0 8 X GEAR DOWN LIGHTS 3 Total 0 3 X GEAR UNSAFE LIGHT 0 08 X GEAR WARN HORN 0 4 X MASTER CONTACTOR 0 6 X COMBUSTION HEATER 15 13...

Page 813: ...T PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 25 Revised June 20 1995 4B20 DUTY 1 CYCLE 2 EQUIPMENT CKT BKR AMPS OPT X ANTI COLLISION LIGHT WING TIP STROBES 10 7 0 X AUTOPILOT 5 X X PI...

Page 814: ...s n s 44 8207001 thru 44 8207066 4C11 91 20 Starters PA 44 180 s n s 44 8195001 thru 44 8195026 and PA 44 180T s n s 44 8207001 thru 4C12 44 8207066 91 21 Power Distribution and Control PA 44 180 s n...

Page 815: ...80 s n s 44 7995001 thru 44 8195 026 and PA 44 180T s 4D2 91 39 Fuel Pumps PA 44 180 s n s 4495001 and up 4D3 INDICATORS 91 50 Panel Mounted Clock 4D13 91 51 Control Wheel Mounted Clock 4D13 91 52 Tur...

Page 816: ...Recognition Lights PA 44 180 s n s 4495001 and up 4E3 LIGHTING INTERNAL 91 76 Flood Lights PA 44 180 s n s 44 7995001 thru 44 8095006 4E6 91 77 Flood Lights PA 44 180 s n s 44 8095007 thru 44 8195026...

Page 817: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4B24...

Page 818: ...Figure 91 7 PA 44 180 Annuciator Panel S n s 44 7995001 thru 44 8195026 PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 30 Revised June 20 1995 4C1...

Page 819: ...Figure 91 8 PA 44 180T Annuciator Panel S n s 44 8107001 thru 44 8207026 PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 31 Revised June 20 1995 4C2...

Page 820: ...Figure 91 9 PA 44 180 Annuciator Panel S n s 4495001and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 32 Revised June 20 1995 4C3...

Page 821: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4C4...

Page 822: ...s n s 4495001 and up Figure 91 11 Pitot Heat PA 44 180 S n s Figure 91 12 Windshield Heat 44 7995001 thru 44 8195026 and PA 44 180T PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 P...

Page 823: ...5 4C6 1 OFF 2 3 ON H2A16 H3A16 4 4 P J WHT BLK H3B16 H3E20 PITOT HEAT 1 70W 100W PITOT HEAD GR P J 341 J H2B16 7 309 P P310 J110 GR WHT WHT BLK H2C16 J 1 117 P 1 P 341 J 2 H3C16 H3D16 P310 J110 J 117B...

Page 824: ...Figure 91 14 Propeller Deice 2 and 3 Bladed Propellers PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 36 Revised June 20 1995 4C7...

Page 825: ...Figure 91 15 Surface Deice Figure 91 16 Heated Lift Detector PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 37 Revised June 20 1995 4C8...

Page 826: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4C9...

Page 827: ...n s 44 7795001 thru 44 8095027 and PA 44 180T s n s 44 8107001 thru 44 8107066 PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 39 Revised June 20 1995 4C10 CIGAR LIGHTER OPT...

Page 828: ...e 91 19 Alternator PA 44 180 s n s 44 8195001 thru 44 8195026 and PA 44 180T s n s 44 8207001 and up PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 40 Revised June 20 1995...

Page 829: ...re 91 20 Starters PA 44 180 s n s 44 8195001 thru 44 8195026 and PA 44 180T s n s 44 8207001 and up PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 41 Revised June 20 1995 4...

Page 830: ...Figure 91 21 Power Distribution and Control PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 42 Revised June 20 1995 4C13...

Page 831: ...AMPS F2 AUX SHUNT F1 100 mv J402 P302 10 12 13 11 10 12 13 11 3 4 2 1 3 4 2 1 P418 J418 70 8 7 8 7 J405 P105 LEFT VOLT REG J417P P302 J402 LEFT ALTERNATOR P3AL CB 312 5 P8JP CB 309 5 P3AR S302 S303 R...

Page 832: ...Figure 91 23 Starter and Ignition Control PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 44 Revised June 20 1995 4C15...

Page 833: ...aonics Bus Power Early PA 44 180 180T Models Figure 91 25 PA 44 180T Avionics Bus Power S n s 44 8207001 and up PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 45 Revised Ju...

Page 834: ...Figure 91 26 Optional Avionics Master Switch THIS SPACE INTENTIONALLY LEFT BLANK PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 46 Revised June 20 1995 4C17...

Page 835: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4C18...

Page 836: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4C19...

Page 837: ...Figure 91 30 PA44 180 Engine Gauges S n s 44 7995001 to 44 8095027 PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 49 Revised June 20 1995 4C20...

Page 838: ...1 Engine Gauges PA 44 180 s n s 44 8185001 thru 44 819 5026 and PA 44 180T s n s 44 8107001 thru 44 8207020 PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 50 Revised June 2...

Page 839: ...Figure 91 32 Fuel and Ampere Indicators PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 51 Revised June 20 1995 4C22...

Page 840: ...33 Cylinder Head Temperature and Oil Pressure Temperature Indicators PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 52 Revised June 20...

Page 841: ...Figure 91 34 PA 44 180T Electric Tachometer Installation PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 53 Revised June 20 1995 4C24...

Page 842: ...Figure 91 35 Electric Tachometer PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 54 Revised June 20 1995 4D1...

Page 843: ...Magnetos Figure 91 37 Primer Solenoids Figure 91 38 Fuel Pumps PA 44 180 s n s 44 7995001 thru 44 8195026 and PA 44 180T s PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 5...

Page 844: ...Figure 91 39 Fuel Pumps PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 56 Revised June 20 1995 4D3...

Page 845: ...Figure 91 40 Engine Hour Meter PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 57 Revised June 20 1995 4D4...

Page 846: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4D5...

Page 847: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4D6...

Page 848: ...3 Air Conditioning System PA 44 180 s n s 44 8195001 thru 44 8195026 and PA 44 180T s n s 44 8107001 and up PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 60 Revised June 2...

Page 849: ...4 Heater System PA 44 180 s n s 44 7995001 thru 44 8195026 and PA 4 4 1 8 0 T s n s 44 8107001 and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 61 Revised June 2...

Page 850: ...Figure 91 45 Cabin Heat PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 62 Revised June 20 1995 4D9...

Page 851: ...ure 91 46 Optional Blower Moter PA 44 180T Figure 91 47 Vent Blower PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 63 Revised June 20 1995 4D...

Page 852: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4D11...

Page 853: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4D12...

Page 854: ...and Bank PA 44 180 s n s 44 7995001 thru 44 8195026 and PA 44 180T s n s 44 8107001 and up PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 66 Revised June 20 1995 4D13 USED...

Page 855: ...0 s n s 44 8095001 thru 44 8195026 and PA 44 180T s n s 44 8107001 and up Figure 91 54 Electric Turn and Bank PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 6...

Page 856: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4D15...

Page 857: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4D16...

Page 858: ...mp and Landing Gear Control and Warning PA 44 180 s n s 44 7995001 thru 44 8195026 and PA 44 180T s n s 44 8107001 and up PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 70...

Page 859: ...Figure 91 58 Hydraulic Pump PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 71 Revised June 20 1995 4D18...

Page 860: ...ion Indicators PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 72 Revised June 20 1995 4D19 POSITION LIGHT SWITCH SHOWN IN OFF POSITION...

Page 861: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4D20...

Page 862: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4D21...

Page 863: ...nti C0llision Lights Fig 91 63 Reserved Figure 91 64 Strobe Lights PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 75 Revised June 20 1995 4D2...

Page 864: ...0 s n s 44 7995001 thru 44 8195026 and PA 44 180T s n s 44 8107001 and up Figure 91 66 Position Lights PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00...

Page 865: ...95001 thru 44 8095027 PA 44 180T s n s 44 8107001 thru 44 8107026 Figure 91 69 PA 44 180 Dual Landing Lights Sheet 1 of 2 S n s 44 8195001 thru 44 8195026 PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTE...

Page 866: ...0T Dual Landing Lights Sheet 2 of 2 S n s 44 8107027 and up Figure 91 70 Landing Lights PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 78 Rev...

Page 867: ...91 71 Wing Ice Inspection Light PA 44 180T s n s 44 8107033 and up THIS SPACE INTENTIONALLY LEFT BLANK PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 79 Revised June 20 19...

Page 868: ...Figure 91 73 Recognition Lights PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 80 Revised June 20 1995 4E3...

Page 869: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4E4...

Page 870: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4E5...

Page 871: ...4 7995001 thru 44 8095006 PA 44 180 s n s 44 8095007 thru 44 8195026 PA 44 180T s n s 8107001 and up Figure 91 78 Cockpit Flood Lights PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 44 180 180T AIRP...

Page 872: ...vionics and Instrument Lights PA 44 180 s n s 44 7995001 thru 44 8195026 and PA 44 180T s n s 44 8107001 and up PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 84 Revised Ju...

Page 873: ...Figure 91 80 Panel and Switch Lighting PA 44 180 s n s 4495001 and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 85 Revised June 20 1995 4E8...

Page 874: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4E9...

Page 875: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4E10...

Page 876: ...Figure 91 83 Propeller Synchrophaser System PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 88 Revised June 20 1995 4E11...

Page 877: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 4E12...

Page 878: ...Figure 91 85 Landing Gear Warnimg PA 180 s n s 4495001 and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 90 Revised June 20 1995 4E13...

Page 879: ...ng PA 44 180 s n s 44 7995001 thru 44 8195026 and PA 44 180T s n s 44 8107001 and up THIS SPACE INTENTIONALLY LEFT BLANK PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 91 R...

Page 880: ...Figure 91 88 Stall Detection PA 180 s n s 4495001 and up PIPER AIRCRAFT PA 4 4 1 8 0 1 8 0 T AIRPLANE MAINTENANCE MANUAL 91 23 00 Page 91 92 Revised June 20 1995 4E15...

Page 881: ...PIPER AIRCRAFT PA 44 180 180T AIRPLANE MAINTENANCE MANUAL GRIDS 4E16 THROUGH 4L24 INTENTIONALLY LEFT BLANK 4E16...

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