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PIPER COMANCHE SERVICE MANUAL

11-1.

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3F17

11-2.

Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3F17

11-3.

Vacuum-Gyro Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3F17

11-4.

Pitot-Static Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3F17

11-5.

Electrical Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3F18

11-6.

Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3F18

11-7.

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3F19

11-8.

Removal And Installation Of Instruments . . . . . . . . . . . . . . . . . .

3F19

11-9.

Gyro Service Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3F20

11-10.

Gyro Installation Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3F20

11-10a.

Gyro Handling and Shipping . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3F20

11-11.

Vacuum System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3F20

11-11a.

Hoses and Clamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3F20

11-12.

Vacuum Regulator Valve Removal and Installation . . . . . . . . . . .

3F21

11-13.

Adjustment Of Vacuum Regulator Valve . . . . . . . . . . . . . . . . . . .

3F21

11-14.

Vacuum Pump - Original Equipment . . . . . . . . . . . . . . . . . . . . . . .

3F21

11-15.

Vacuum Pump Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3F21

11-16.

Vacuum Pump Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3F22

11-16a.

Vacuum Pump - Aero Accessories . . . . . . . . . . . . . . . . . . . . . . . . .

3F22

11-17.

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G1

11-18.

Removal And Replacement Of Face Mounted Instruments . . . . . . . .

3G5

11-19.

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G5

11-20.

Removal And Replacement Of Cluster Mounted Instruments . . .

3G5

11-21.

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G5

11-22.

Directional Gyro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G5

11-23.

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G5

11-24.

Removal And Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G6

11-25.

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G6

11-26.

Gyro Horizon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G6

11-27.

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G6

11-28.

Removal And Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G6

11-29.

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G7

11-30.

Rate Of Climb Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G7

11-31.

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G7

11-32.

Removal And Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G7

11-33.

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G7

11-34.

Sensitive Altimeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G8

11-35.

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G8

11-36.

Removal And Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G8

11-37.

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3G8

04/01/09

XI - TABLE OF CONTENTS

3F16C

SECTION XI - INSTRUMENTS

TABLE OF CONTENTS

Paragraph

Grid No.

Содержание PA-24 Comanche

Страница 1: ...PIPER Q __ SERVICE MANUAL PA 24 PA 24 250 PA 24 260 PA 24 400 PIPERAIRCRAFT CORPORATION PART NUMBER 753 516 April 1 2009 1A1...

Страница 2: ...1A2 Published by Technical Publications 1959 2009 Piper Aircraft Inc 2926 Piper Drive Vero Beach Florida 32960 U S A Member General Aviation Manufacturers Association PIPER COMANCHE SERVICE MANUAL...

Страница 3: ...Paper only December 18 1973 None 2nd June 25 1976 1 2 3 and 4 3rd October 3 1977 1 4th April 3 1978 1 2 and 3 5th September 10 1979 1 2 and 3 6th April 10 1981 1 2 and 3 7th November 1 1982 1 2 and 3...

Страница 4: ...PIPER COMANCHE SERVICE MANUAL REVISION STATUS 04 01 09 1A4 THIS PAGE INTENTIONALLY BLANK...

Страница 5: ...Number Explanation 1A9 Intro 5 Assignment of Subject Material 1A9 Intro 6 Pagination 1A9 Intro 7 Aerofiche Effectivity 1A9 Intro 8 Identifying Revised Material 1A10 Intro 9 Indexing 1A10 Intro 10 Warn...

Страница 6: ...PIPER COMANCHE SERVICE MANUAL INTRODUCTION TABLE OF CONTENTS 04 01 09 1A6 THIS PAGE INTENTIONALLY BLANK...

Страница 7: ...indicated where a special application is required To confirm the correct hardware used refer to the PA 24 Comanche Parts Catalog P N 752 464 and FAR 43 for proper utilization Genuine PIPER parts are p...

Страница 8: ...1960 24 2299 thru 24 2843 1961 24 2844 thru 24 3284 1962 24 3285 thru 24 3557 1963 24 3558 thru 24 3687 1964 less 24 3642 PA 24 260 24 3642 1964 24 4000 thru 24 4042 1965 24 4043 thru 24 4299 1965 B...

Страница 9: ...as partial revisions occur the legacy Aerofiche grid numbering system may be modified as explained below to simplify production Deviations from the legacy Aerofiche grid numbering system will occur w...

Страница 10: ...nge bar along the left hand margin of the page opposite only the text or illusration that was changed Changes in capitalization spelling punctuation indexing the physical location of the material or c...

Страница 11: ...l incidents and accidents Piper Form 420 01 has been created See Service Letter 1041 for latest revision This procedure is to be used by all Dealers Service Centers and Repair Facilities 12 Supplement...

Страница 12: ...es Engines P N PC 115 2 IO 540 A B C D E and G Series Engines P N PC 215 1 IO 540 J K M N P and R Series Engines P N PC 215 2 IO 720 A Series Engines P N PC 119 Operators Handbook O 360 Series P N 602...

Страница 13: ...000 Unison Industries FAX 904 739 4006 Attn Subscription Dept 7575 Baymeadows Way Jacksonville FL 32256 http www unisonindustries com Installation Operation F1100 MASTER SERVICE MANUAL and Maintenance...

Страница 14: ...mmons Rd FAX 817 573 2252 Granbury Texas 76048 http www skytecair com or Kelly Aerospace Power Systems See listing under Alternator above 12 VACUUM PUMP Vendor Address Aero Accessories Inc PH 800 822...

Страница 15: ...PIPER COMANCHE SERVICE MANUAL 04 01 09 INTRODUCTION 1A15 THIS PAGE INTENTIONALLY BLANK...

Страница 16: ...PIPER COMANCHE SERVICE MANUAL INTRODUCTION 04 01 09 1A16 THIS PAGE INTENTIONALLY BLANK...

Страница 17: ...l IV STRUCTURE 1E1 V SURFACE CONTROLS lF12A VI LANDING GEAR AND BRAKE SYSTEM 1H18A VII POWER PLANT PA 24 180 2A7 VIIA POWER PLANT PA 24 250 AND PA 24 260 2C1 VIIB POWER PLANT PA 24 400 2E18A VIIC POWE...

Страница 18: ...PIPER COMANCHE SERVICE MANUAL INTRODUCTION MM DD YY 1A16B THIS PAGE INTENTIONALLY BLANK...

Страница 19: ...ng Airplane PA 24 260 S N s 24 4247 24 4300 and up 1C1 2 13 Landing Gear Strut Exposure 1C6 2 14 Brake Reservoir PA 24 180 250 S N s 24 1 to 24 2298 incl 1C8A 2 15 Brake Reservoir PA 24 180 250 S N s...

Страница 20: ...Empennage Skin Diagram PA 24 180 PA 24 250 and PA 24 260 S N s 24 4000 to 24 4246 24 4248 to 24 4299 1F7 4 10 Fuselage Skin Diagram PA 24 260 S N s 24 4247 24 4300 and up 1F8 4 11 Wing and Empennage...

Страница 21: ...m Installation 1J17 6 15 Nose Gear Drag Link Clevis 1J18 6 16 Landing Gear Up Limit Switch 1J19 6 19 Torque Wrench and Adapter Installation S N s 24 1 to 24 4782 incl 24 4784 to 24 4803 incl 1J24 6 20...

Страница 22: ...e Installation PA 24 180 2B1 7 6a Cockpit Control Spring Back 2B5 7 7 Carburetor 2B6 7 8 Magneto Inspection 2B8 7 9 Lead Positioning 2B9 7 10 Impulse Coupling 2B9 7 11 Magneto Timing Marks 2B10 7 12 T...

Страница 23: ...tor 2F10 7B 7 Fuel Air Bleed Nozzle 2F12 7B 8 Magneto Timing Marks 2F14 7B 9 Reworked Plain Washer 2F14 7B 10 Filed Notch on Cam 2F15 7B 11 Installation of Rotor Holding Tool and Timing Pointer 2F15 7...

Страница 24: ...otary Fuel Pump 2J12 8 18 Primer Pump Carburetor Induction System 2J15 8 19 Fabricated Fuel Quantity Transmitter Checking Jig 2J18 9 1 Generator and Starter Wiring System 3A13 9 2 Sectional View of Ge...

Страница 25: ...ly 3C3 9 27m Testing Alternator 3C3 9 27n Brush Installation 3C4 9 270 Internal Wiring Diagram 3C4 9 27p Regulator Diagram 3C7 9 27q Testing Regulator 3C8 9 27r Application of Overvoltage Control 3C9...

Страница 26: ...nd Fresh Air System PA 24 260 S N s 24 4247 24 4300 to 24 4782 incl 24 4784 to 24 4803 incl 3F13 10 6 Cabin Heater Defroster and Fresh Air System PA 24 400 3F14 10 7 Cabin Heater Defroster and Fresh A...

Страница 27: ...List 1D55 IV I Tolerance 1E11 IV II Replacement Kits 1E11 IV III Electrical Bonding Resistance Index 1E18E V I Flight Control Surface Rigging Limits 1F18 V II Troubleshooting Chart Surface Controls 1...

Страница 28: ...oubleshooting 3E22 XI I Troubleshooting Vacuum System 3G1 XI II Directional Gyro Indicator 3G6 XI III Gyro Horizon Indicator 3G7 XI IV Rate Of Climb Indicator 3G8 XI V Altimeter 3G9 XI VI Airspeed Tub...

Страница 29: ...PIPER COMANCHE SERVICE MANUAL 04 01 09 LIST OF TABLES 1A16M THIS PAGE INTENTIONALLY BLANK...

Страница 30: ...PIPER COMANCHE SERVICE MANUAL LIST OF TABLES 04 01 09 1A16N THIS PAGE INTENTIONALLY BLANK...

Страница 31: ...PIPER COMANCHE SERVICE MANUAL 1A17 SECTION I AIRWORTHINESS LIMITATIONS...

Страница 32: ...PIPER COMANCHE SERVICE MANUAL 1A18 THIS PAGE INTENTIONALLY BLANK...

Страница 33: ...ECTION I AIRWORTHINESS LIMITATIONS TABLE OF CONTENTS SUBJECT GRID NO 1 1 Airworthiness Limitations 1A21 1 2 Limitations 1A21 1 3 Inspections 1A21 1 4 Life Limited Parts Marking and Disposition 1A21 04...

Страница 34: ...PIPER COMANCHE SERVICE MANUAL I TABLE OF CONTENTS 04 01 09 1A20 THIS PAGE INTENTIONALLY BLANK...

Страница 35: ...must be shown using approved data to not diminish the Life of the component as stated herein 1 4 Life Limited Parts Marking and Disposition 14 CFR Part 45 16 Marking of Life Limited Parts requires th...

Страница 36: ...PIPER COMANCHE SERVICE MANUAL I AIRWORTHINESS LIMITATIONS 04 01 09 1A22 THIS PAGE INTENTIONALLY BLANK...

Страница 37: ...PIPER COMANCHE SERVICE MANUAL 1A23 SECTION II HANDLING AND SERVICING...

Страница 38: ...PIPER COMANCHE SERVICE MANUAL 1A24 THIS PAGE INTENTIONALLY BLANK...

Страница 39: ...6 Locking Airplane 1C3 2 17 Towing 1C3 2 18 Taxiing 1C3 2 19 External Power Receptacle 1C3 2 20 Operation of External Power Receptacle 1C3 2 21 Cleaning 1C4 2 22 Cleaning Engine Compartment 1C4 2 23 C...

Страница 40: ...roubleshooting 1C12 2 57 Oxygen System Safety Precautions 1C12 2 58 Filling Oxygen Cylinders 1C13 2 59 Inspection and Overhaul Time Limits 1C14 2 60 Testing for Leaks 1C15 2 61 Maintenance 1C15 2 62 C...

Страница 41: ...75 Servicing Oil System 1C38 2 76 Draining Oil Sump 1C38 2 77 Filling Oil Sump 1C38 2 78 Oil Screen Suction 1C38 2 79 Oil Screen Pressure 1C39 2 80 Oil Filter Full Flow 1C39 2 81 Recommendations for C...

Страница 42: ...PIPER COMANCHE SERVICE MANUAL II TABLE OF CONTENTS 04 01 09 1A28 THIS PAGE INTENTIONALLY BLANK...

Страница 43: ...cations On the inside of the baggage compartment door on the upper right side of the firewall engine side on the fuselage adjacent to the left side of the tail skid 2 5 Access and Inspection Provision...

Страница 44: ...04 01 09 1A30 Figure 2 1 Three View of Comanche PA 24 180 AND PA 24 250 1 000X 2553 I O l II02 7_ _ 8 43Il_ 4 IN a I i l 8 FlA 24 Z O 24 1 TO 24 c 298INCl l 296 1 4 PA 24 180 24 1 TO 24 2298 INCL u f...

Страница 45: ...ER COMANCHE SERVICE MANUAL __ r __ STA 5 43ri 1 _ I _ _ _ _ _ _ _ Z99 FIGURE 2 2 THREE VIEW OF COMANCHE PA 24 2S0 S ial Nos 24 4000 to 24 4248 24 4248 to 24 4299 IBI HANDLING AND SERVICING REVISED 413...

Страница 46: ...lr __ 110 7 T71114 1 e e r ml 4 _ __ nr n iJ _ DL T J r i _ ll5 r _ _ III 1111 1 11 FIGUR 2 1 TliREE VIEW OF COMANCHE PA 24 260 Seriol Noa 24 4247 24 4300 to 24 4782 24 4784 to 24 4803 incl HANDLING A...

Страница 47: ...PIPER COMANCHE SERVICE MANUAL i I 1 3 0 8 16 J i FIGURE 2 4 THREE VIEW OF COMANOiE PA 2A 4QO S OIHEDRAl HANDLING AND SERVICING REVISED 4 3 78 IB3...

Страница 48: ...PIPER COMANCHE SERVICE MANUAL r Ir 1 e e r 15 7S I r 1 I I U o ZS I ZZ FIGURE 2 5 THREE VIEW OF COMANCHE PA Z4 280 SerloJ Ne 24 4783 24404 d up HANDLING AND SERVICING REVISED 4 3 78 184...

Страница 49: ...I IT DD I ____ 7 2 Z J __ I T 1tIWIlD Icms I I L fUEl PUlP CU I n sllSslIII Aeem Mll Gil llU ISUlI I ccm ruT 1111 1111 l Il ACUU PUT ISlAll fill II lCCUS un lUll II Fun FLUIPUT Klll lU mull _sn pun Fi...

Страница 50: ...S6LN 20 3 S6LN 21 4 Left S4LN 200 2 S6LN 200 5 Right S4LN 204 2 S6LN 204 5 Magneto timing 25 degrees BTC 25 degrees BTC Magneto point clearance 0 018 0 006 in 0 018 0 006 in Spark plugs shielded 6 6 S...

Страница 51: ...in octane 91 96 Fuel injector Bendix RSA 5AD I Magnetos 2 Scintilla Left S6LN 200 Right S6LN 204 Magneto timing 25 degrees BTC Magneto point clearance 0 018 0 006 in Spark plugs shielded 6 Spark plug...

Страница 52: ...el HC 92ZK8D HC 82XK1D or HC A2VK 1 Blade model 8447A 12A V8433N 7 Diameter max McCauley 74 in 74 in Hartzell 72 in 77 in Diameter min McCauley 72 in 73 in Hartzell 70 5 in 76 in Blade Angle low pitch...

Страница 53: ...d two blades Constant speed two blades Hub model HC A2VK I Blade model V8433N 7 Diameter max 77 in Diameter min 76 in Blade Angle low pitch 7 14 5 0 15 Blade Angle high pitch 7 31 to 33 Control govern...

Страница 54: ...20 Right 20 Wheel Nose Cleveland 38501 Cleveland 38501 Wheel Main Cleveland 30 70 Cleveland 30 70 S N s 24 1 to 24 3306 S N s 24 1 to 24 3306 Cleveland 40 58 Cleveland 40 58 S N s 24 3307 and up S N s...

Страница 55: ...eft S6LN 200 Right S6LN 204 Magneto timing 25 degrees BTC Magneto point clearance 0 018 0 006 in Spark plugs shielded 6 Spark plug gap setting 6 Firing Order 1 4 5 2 3 6 Tachometer drive ratio to cran...

Страница 56: ...200 Right S6LN 204 S6LN 204 Magneto timing 25 degrees BTC 25 degrees BTC Magneto point clearance 0 018 0 006 in 0 018 0 006 in Spark plug shielded 6 6 Spark plug gap setting 6 6 Firing Order 1 4 5 2 3...

Страница 57: ...illa Left S6LN 1209 Right S6LN 1208 Magneto timing 25 degrees BTC Magneto point clearance 0 016 006 in Spark plugs shielded 6 Spark plug gap setting 6 Firing Order 1 4 5 2 3 6 Tachometer drive ratio t...

Страница 58: ...OPELLER Manufacturer Hartzell Hartzell Type Constant speed two blades Constant speed two blades Hub model HC E2YR lB HC E2YR 1B or HC E2YR 1BF Blade model 8467 7R 8467 7R Diameter max 77 in 77 in Diam...

Страница 59: ...under static load 2 75 in 2 75 in Nose 2 50 in Main Wheel tread 9 ft 8 in 9 ft 8 in Wheel base 6 ft 6 62 in 6 ft 6 62 in Nose wheel travel Left 20 Right 20 Left 20 Right 20 Wheel Nose Cleveland 38501...

Страница 60: ...arance 0 019 0 001 in Spark plugs shielded 6 Spark plug gap setting 6 Firing Order 1 5 8 3 2 6 7 4 Tachometer drive ratio to crankshaft 0 5 1 Starter Delco Remy 12 volts 1113471 Alternator Delco Remy...

Страница 61: ...al LANDING GEAR Type Electrically operated Shock strut type Combination air and oil Fluid required struts and brakes MIL H 5606 Strut exposure exposure under static load 2 50 in Wheel tread 9 ft 8 375...

Страница 62: ...s PIIIIl i IF III PlIHHI IW 1l1li_ Ja ISS JIIl IIULI IDIIUIIl FIll II ICCISS PUlI ISIIlI II1II lUI 101 4 oa FUll ACCIlS PUll y IWI FIll T lCCISS lAlI ISIIlI IWI fill T FUll PUll ISIIlI IlIIOIIIUtIMI 1...

Страница 63: ...S un UfT Ion ACtuS n lan lle Ilet Stlnl LIUI C 111I 1 DIDII 1Ci1l1FO lID tuSS un FUll PUlP 5111 S 1S51011 cnss l I flln IUAl accm PUH lIIILII11 fill II mISS Ju 0 ISUlI lfa ACtUS PUll SUll u fWIPUTt Il...

Страница 64: ...r wrench together with a torque wrench a simple mathematical equation must be worked out to arrive at the correct torque reading Following is the formula to be used Refer to Figure 2 8a T Torque desir...

Страница 65: ...cally to assure accuracy and recheck frequently B If the fastener screw or nut is listed in Table II IIA but the mating fastener is not listed tighten only to the low end of the torque range specified...

Страница 66: ...e range When the nut is stationary and the fastener is torqued use the higher side of the torque range In this case ensure one 1 washer is installed under the head as follows a If the subject chapter...

Страница 67: ...to a value of Maximum Permissible Gap Closing Torque Table II IIA Sheet 1 torque x 10 Sheet 2 Sheet 1 torque Example 3 8 24 190 x 10 270 190 19 80 99 in lbs NOTE If the Table II IIA Sheet 1 torque req...

Страница 68: ...20 450 500 270 300 520 630 300 400 180 280 110 170 1 2 20 480 690 290 410 770 950 450 550 280 410 160 260 9 16 18 800 1 000 480 600 1 100 1 300 650 800 380 580 230 360 5 8 18 1 100 1 300 660 780 1 250...

Страница 69: ...t Bolt Torque Limits Torque Limits Torque Limits Torque Limits Torque Limits Torque Limits Size In Lbs In Lbs In Lbs In Lbs In Lbs In Lbs Min Max Min Max Min Max Min Max Min Max Min Max 10 32 38 43 30...

Страница 70: ...must not be reused if they can be run up using less than the required minimum torque values specified or as shown in Table II IIA They may be reused if hand tools are required to run them up providin...

Страница 71: ...he jacks evenly until all three wheels clear the floor 2 12 Weighing Refer to Figure 2 10 a Block the main gear oleo struts in their fully extended position and the nose gear at 2 50 inches extension...

Страница 72: ...l use two spacers of equal length between the level and the channel to bring the level above any obstacles b To put the aircraft on jacks refer to Paragraph 2 11 c To put the aircraft into a laterally...

Страница 73: ...ucilnally Laterally FIGURE 2 11 LEVELING AIRPLANE PA 24 18O 2110 2110 Serill N 24 4000 1D 24 4248 24 42481D PA 24 400 Longitudinally Laterally FIGURE 2 12 LEVELING AIRPLANE PA 24 280 Serill NOI 240424...

Страница 74: ...the Iandingg_ forb ODd securing the rudder e Insall pitot tube cov if p ible 2 15 hrkiD When plllkiDB the airplane insure that it is saffieiendy protected apinst ad ftse weather conditioDO Dd praena...

Страница 75: ...g checks L Taxi fo ard few feet uxI apply brakes to determine their effecriWl2aS b Taxi with propeller set in low pitch hip RPM JCUiDs c WbiIe tlXiiDg make sliPt tum to ucert in the effeeriftDOII of s...

Страница 76: ...ve the protective covers from the magnetos e Lubricate controls bearing surfaces etc per Lubrication Chart Figure 2 20 thru 2 22 2 23 Cleaning Landing Gear a Struts and Torque Links Before cleaning la...

Страница 77: ...e or window cleaning sprays a Remove dirt mud etc from exterior surface with clean water b Wash with mild soap and warm water or an aircraft plastic cleaner Use a soft cloth or sponge using a straight...

Страница 78: ...broom or vacuum to remove dirt For soiled spots use a non flammable dry cleaning fluid 2 28 Servicing 2 29 Introduction to Servicing Servicing the airplane includes the replenishment of fuel oil hydra...

Страница 79: ...PIPER COMANCHE SERVICE MANUAL 04 01 09 II HANDLING AND SERVICING 1C5 THIS PAGE INTENTIONALLY BLANK...

Страница 80: ...r normal static load Empty weight of airplane plus full fuel and oil If the strut has less tube exposure than prescribed determine whether it needs air or oil by rocking the airplane If the oleo strut...

Страница 81: ...imMctbod 1 RCIII lIIe valve core from lIIe filler pl l II lIIe rop of the nose gear strUt 1I0usi l or ar the top inboard side of lIIe maiD lear 1I0usUIJ Allow the filler pl l to remain insr aJled 2 At...

Страница 82: ...pty weight plus full fuel and oiL Refer to Figure 2 13 Rock the airplane several times to ascertain that the gear settles back to the correct strut position If a strut pump is not available the airpla...

Страница 83: ...ICE MANUAL 04 01 09 II HANDLING AND SERVICING 1C8A Figure 2 14 Brake Reservoir PA 24 and PA 24 250 S N s 24 1 thru 24 2298 Figure 2 15 Brake Reservoir PA 24 and PA 24 250 S N s 24 2299 and up and PA 2...

Страница 84: ...ings may be made from one inch phenolic or aluminum using a 1 1 2 inch hole saw to cut out the smaller bushing and a 1 3 4 hole saw to cut out the larger By inserting a 1 4 inch long threaded bolt thr...

Страница 85: ...the sidewall Burnish the patches to remove trapped air etc d When reassembling the wheel powder the inside of the tire Mount the tire on the valve side of the wheel in the same position it was in when...

Страница 86: ...uetion aimlter bei l IerYiced 2 48 P Syotems 249 FiIIiDs P Taab Observe all required precautions for bandlins guoUne Fill the fuel r ankJ with fuel specified in Table I I On the PA 24 180 to obtain th...

Страница 87: ...e when the handle is released On the PA 24 400 Figure 2 17 the fuel is drained from the cockpit by lifting up the red knob located in the center of the fuel selector The fuel strainer should be draine...

Страница 88: ...water is present repeat the above procedure until all water is removed If it is observed that any fuel is draining slower than normal a complete check of the system should be carried out to determine...

Страница 89: ...PIPER COMANCHE SERVICE MANUAL 04 01 09 II HANDLING AND SERVICING 1C11 THIS PAGE INTENTIONALLY BLANK...

Страница 90: ...en is routed from the cylinder and regulator to the outlets and masks whenever the control knob is pulled to the ON position Each outlet has a spring loaded valve which prevents the flow of oxygen unt...

Страница 91: ...cylinder pressure is below 50 psi the system should be purged as described in Paragraph 2 71 b To obtain the correct filling pressure for the oxygen cylinder at various ambient temperatures a chan has...

Страница 92: ...use to approximately 600 psi then return for filling e When the pressure gauge on the recharge unit or in the airplane reaches 1800 psi close the pressure regulator valve on the recharge unit Disconne...

Страница 93: ...uld be replaced with factory replacements e Clean all lines and fittings as described in Paragraph 2 62 f Use Ribbon Dope Thread Sealant Permacel 412 on male ends of fittings only Wrap thread in direc...

Страница 94: ...or a iable period 2 63 of 0xYJID Cyllador _d JtepIamr The cylillder and replal or areloc ared on th l ft side of the fuseIa e aft of the baIPfO area atlution 157 Remove the access PlDei from the rear...

Страница 95: ...stem L R ove the cess panel 00 the rear wall of the boaaF computlDCDt b Disconnect the 6nin1 from the bad of the praoare lIIe e Loosen and romcwc the maincr nut and clamp bolc1ilJl the e in place d Re...

Страница 96: ...a Remove the microphone from the mask b Remove the sponge rubber discs from the mask turrnets Do not use soap to clean sponge rubber discs as this would deteriorae the rubber and give off unpleasant...

Страница 97: ...s and measurements from the English system to the metric system or back again Table II VI Torque Conversions Table II VII Decimal Conversions Table II VIII Temperature Conversion Table II IX Weights a...

Страница 98: ...PIPER COMANCHE SERVICE MANUAL II HANDLING AND SERVICING 04 01 09 1C20 THIS PAGE INTENTIONALLY BLANK...

Страница 99: ...27 5 3 802 30 4 148 32 5 4 493 35 4 839 37 5 5 185 40 5 530 42 5 5 876 45 6 222 47 5 6 567 50 6 913 52 5 7 258 55 7 604 57 5 7 950 60 8 295 62 5 8 641 65 8 987 67 5 9 332 70 9 678 72 5 10 024 75 10 36...

Страница 100: ...672 67 17 065 3 16 188 19 4 762 1 16 688 69 17 462 13 64 203 20 5 159 45 64 703 70 17 859 7 32 219 22 5 556 23 32 719 72 18 256 15 64 234 23 5 593 47 64 734 73 18 653 1 4 250 25 6 350 3 4 750 75 19 0...

Страница 101: ...17 8 0 32 0 143 33 290 554 0 12 22 10 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 17...

Страница 102: ...T 1 164 U S GAL LIQ 4 405 LITERS GAL U S LIQ 231 0 CU IN 0 1337 CU FT 3 785 LITERS 0 8327 IMPERIAL GAL 128 FLUID OZ IN 2 540 CM 08333 FT JOULES 0 000948 BTU 0 7376 FT LB MULTIPLY BY TO OBTAIN KILOGRAM...

Страница 103: ...24 1 549 1 574 1 600 1 625 1 651 1 676 1 701 1 727 1 752 0 07 1 778 1 803 1 828 1 854 1 879 1 905 1 930 1 955 1 981 2 006 0 08 2 032 2 057 2 082 2 108 2 133 2 159 2 184 2 209 2 235 2 260 0 09 2 286 2...

Страница 104: ...64 0 3593 9 1262 13 64 0 2031 5 1594 35 0 110 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 3...

Страница 105: ...number quarter year and year hose manufacturer s identification Uses Hose is approved for use in aircraft hydraulic pneumatic coolant fuel and oil systems Operating Temperatures Sizes 3 thru 12 Minus...

Страница 106: ...und Exxon Oil Company Royco 44 Royal Lubricants Co Anti Seize Compound TT A 580 Armite Product Armite Laboratories TT S 1732 Anti Seize Thread Fel Pro C5 A Fel Pro Incorporated Compound HIGH TEMPERATU...

Страница 107: ...Calif AV55 Aeroshell Grease 7 Shell Oil Company Braycote 627S Mobil Grease 27 Mobil Oil Corporation B P Aero Grease 31B B P Trading Limited Grease Ball and DOD G 24508 Regal ASB 2 Formula Texaco Inco...

Страница 108: ...hemicals Co Inc Rockwell 950 Rockwell International Grease Waterproof Aero Lubriplate LUBRIPLATE High and Low Lubricants Co Temperature Hot Melt Adhesive Stick Form 1 2 in Sears Roebuck and Polyamids...

Страница 109: ...Air Conditioner R12 Frigidaire 525 Virginia Chemical Suniso 5 Sun Oil Company of Pennsylvania Texaco Capilla E Texaco Incorporated Oil Air Conditioner Piper P N 923 384 PAG 21941 HFC 134a Oil Lubricat...

Страница 110: ...omponent Urethane Piper PMS C1012 3 3M Marine Sealant 101 3M Piper PMS C1012 4 Bostik 940A Bostik Findley Silyl Modified Polymer Sealant Fuel RS 36b Stripper CEE BEE Chemical Co Tank Sealing thin RS 2...

Страница 111: ...eSoto Sealer PR 1321 B 1 2 PPG Aerospace PRC DeSoto Sealing Compound Tite Seal Radiator Specialty Co Gasket and Joint Silicone Compound SAE AS 8660 DC 4 DC 6 Dow Corning 54 to 204 C Piper P N 279 149...

Страница 112: ...System Toluol TT M 261 Local Supplier Trichlorethylene MIL T 7003 Perm A Clor Dextrex Chemical Industries Inc Turco 4217 Turco Products Inc Vinyl Foam 1 in x 1 8 in 530 Series Type I Norton Tape Divi...

Страница 113: ...501 Detroit MI 48232 Dow Corning Corporation Alpha Molykote Plant 64 Harvard Avenue Stanford CT 06902 Dukes Astronautics Co 7866 Deering Avenue Canoga Park CA 91304 DuPont Company Finishes Div DuPont...

Страница 114: ...377 6555 Ram Chemicals 201 E Alondra Blvd Gardena CA 90248 213 321 0710 Rockwell International 600 Grant Street Pittsburgh PA 15219 412 565 2000 Royal Lubricants Company River Road E Hanover NJ 07936...

Страница 115: ...AND SERVICING 1C37 TABLE II XIV VENDOR CONTACT INFORMATION Sheet 3 of 3 W WECHEM INC 5734 Susitna Drive Harahan LA 70123 800 426 0512 504 733 2218 www wechem com Wooster Products Inc 1000 Spruce Stree...

Страница 116: ...draining of the oil 2 77 Filling Oil Sump The oil sump should normally be filled with oil to the 8 U S quart mark on the engine dipstick The specified grade of oil may be found on each engine oil fil...

Страница 117: ...accomplished by removing the lockwire from the bolt head at the end of the filter housing loosening the bolt and removing the filter assembly from the adapter b Before discarding the filter element re...

Страница 118: ...l consumption as the additives in some of these oils can retard the break in of the piston rings and cylinder walls 2 All new or newly overhauled turbo charged engines must be broken in and operated o...

Страница 119: ...FLIGHT CONTROLS FLAP TRACKS STABILATOR TRIM SCREW AND ENGINE COMPARTMENT ARE STILL PROPERLY LUBRICATED a Use recommended lubricants Where general purpose lubricating oil is specified but unavailable...

Страница 120: ...read lubricant sparingly c Apply thread lubricant to male threads only d Lubricate first three threads only on straight fittings e Do not lubricate first two threads on tapered fittings apply lubrican...

Страница 121: ...C above MIL G 81322 MIL PRF 81322G See MIL PRF 81322G above MIL H 5606 MIL PRF 5606H Hydraulic Fluid Petroleum Base Aircraft Missile and Ordnance MIL L 6082 SAE J 1966 Oil Lubricating Aircraft Piston...

Страница 122: ...ant specifications become problematic over time Where a specific product is called out that manufacturer may go out of business may be sold or renamed The named product may subsequently be no longer a...

Страница 123: ...11 PROPELLER For each blade remove a grease fitting apply grease through the remaining fitting until fresh grease appears at hole of removed fitting If annual usage is significantly less than 100 hour...

Страница 124: ...tr 7 CLEAN 50 HRS 10 GOVERNOR THROTTLE AND MIXTURE CABLE ENDS MIL PRF 7870C 100 HRS 11 NOT USED 12 LANDING GEAR RETRACTION MECHANISM MIL PRF 7870C 100 HRS 13 LANDING GEAR RETRACTION TRANSMISSION See S...

Страница 125: ...tr 7 CLEAN 50 HRS 10 GOVERNOR THROTTLE AND MIXTURE CABLE ENDS MIL PRF 7870C 100 HRS 11 NOT USED 12 LANDING GEAR RETRACTION MECHANISM MIL PRF 7870C 100 HRS 13 LANDING GEAR RETRACTION TRANSMISSION See S...

Страница 126: ...HRS 10 GOVERNOR THROTTLE AND MIXTURE CABLE ENDS MIL PRF 7870C 100 HRS 11 LANDING GEAR RETRACTION MECHANISM MIL PRF 7870C 100 HRS 12 LANDING GEAR RETRACTION TRANSMISSION See Spec Instr 13 MIL PRF 23827...

Страница 127: ...RIZONTAL MIL PRF 7870C 500 HRS 3 STABILATOR CONTROL TUBE BEARING AND SQUARE TUBE MOUNTING BEARING MIL PRF 7870C 100 HRS CAUTION DO NOT OVER LUBRICATE PEDESTAL CONTROLS AND COCKPIT CONTROLS PIPER COMAN...

Страница 128: ...LEASE ARM PIVOT BEARING MIL PRF 7870C 100 HRS 3 FLAP STOP MIL PRF 23827C 100 HRS 4 PIVOT POINT AND ROD END MIL PRF 7870C 100 HRS PIPER COMANCHE SERVICE MANUAL II HANDLING AND SERVICING 04 01 09 1C50 F...

Страница 129: ...HRS 2 FLAP TRACK STEEL ROLLERS ONLY ALL PURPOSE SLIP SPRAY See Spec Instr 14 DUPONT NO 6611 50 HRS 3 FLAP HINGE MANUAL FLAPS ONLY MIL PRF 7870C 100 HRS PIPER COMANCHE SERVICE MANUAL 04 01 09 II HANDL...

Страница 130: ...OD END BEARING AND MOUNT MIL PRF 7870C 100 HRS 5 UPPER AND LOWER TORQUE LINK CONNECTING BOLT MIL PRF 7870C 100 HRS 6 WHEEL BEARINGS See Spec Instr 3 MIL PRF 81322G 100 HRS 7 UPPER AND LOWER TORQUE LIN...

Страница 131: ...PIPER COMANCHE SERVICE MANUAL 04 01 09 II HANDLING AND SERVICING 1C53 Figure 2 26 Lubrication Chart Nose Landing Gear Sheet 2 of 2 1 1 3197 10 7 ll PA 24 PA 24 250 PA 24 260 SKETCHES D PA 24 400...

Страница 132: ...LATOR TRIM SCREW See Spec Instr 13 MIL PRF 81322G 100 HRS 5 STABILATOR TRIM MECHANISM MIL PRF 7870C 100 HRS 6 RUDDER TRIM UNIVERSAL JOINT MIL PRF 7870C 100 HRS 7 RUDDER BUNGEE CONTROL ROD RUDDER TRIM...

Страница 133: ...00 HRS 3 RUDDER PEDAL TORQUE TUBES AND BLOCK BEARINGS MIL PRF 7870C 100 HRS 4 CONTROL CABLES ENDS AND RUDDER PEDALS MIL PRF 7870C 100 HRS CAUTION DO NOT APPLY LUBRICANT TO RUBBER PARTS CAUTION DO NOT...

Страница 134: ...L ROD END BEARINGS CONTROL CABLE ATTACHMENT POINTS MIL PRF 7870C 100 HRS 2 BELLCRANK PIVOT BEARINGS MIL PRF 7870C 100 HRS PIPER COMANCHE SERVICE MANUAL II HANDLING AND SERVICING 04 01 09 1C56 Figure 2...

Страница 135: ...ERSANT FILTRATION ONLY ALL SAE 15W50 OR 20W50 See Spec Instr 8 9 ABOVE 80 F 26 67 C SAE 60 SAE 60 ABOVE 60 F 15 55 C SAE 50 SAE 40 OR SAE 50 30 F TO 90 F 1 11 TO 32 22C SAE 40 SAE 40 0 TO 70 F 17 77 T...

Страница 136: ...C 100 HRS 5 SIDE BRACE END BEARING AND PIVOT BEARING MIL PRF 23827C 100 HRS 6 SIDE BRACE MOUNT BEARING MIL PRF 23827C 100 HRS 7 UPPER AND LOWER TORQUE LINK BUSHING MIL PRF 23827C 100 HRS 8 WHEEL BEARI...

Страница 137: ...PIPER COMANCHE SERVICE MANUAL 04 01 09 II HANDLING AND SERVICING 1C59 THIS PAGE INTENTIONALLY BLANK...

Страница 138: ...PIPER COMANCHE SERVICE MANUAL II HANDLING AND SERVICING 04 01 09 1C60 END OF SECTION...

Страница 139: ...PIPER COMANCHE SERVICE MANUAL 1D1 SECTION III INSPECTION...

Страница 140: ...PIPER COMANCHE SERVICE MANUAL 1D2 THIS PAGE INTENTIONALLY BLANK...

Страница 141: ...D22 General 1D22 Notes 1D23 3 8 Special Inspections 1D29 Requirements 1D29 Per Flight Hour 1D29 Per Calendar Year 1D33 Per Specific Operation Operating Environment 1D36 Each Flight 1D36 Operation in H...

Страница 142: ...PIPER COMANCHE SERVICE MANUAL III TABLE OF CONTENTS 04 01 09 1D4 THIS PAGE INTENTIONALLY BLANK...

Страница 143: ...ased and or operated at a different location or locations and or by a person or persons other than those recorded on the aircraft registration then the registered owner s is responsible for forwarding...

Страница 144: ...PIPER COMANCHE SERVICE MANUAL III INSPECTION 04 01 09 1D6 THIS PAGE INTENTIONALLY BLANK...

Страница 145: ...procedure required for type certification B Refer to the remainder of this section for Piper s recommended Inspection Programs They include the frequency and extent of the inspections required for th...

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Страница 147: ...ul or replacement of components should be performed at the given periods The condition of various components can then be used as criteria for determining subsequent periods applicable to the individua...

Страница 148: ...vidual performing the test E Bench Test Means removal of component from the aircraft to inspect for cleanliness impending failure need for lubrication repair or replacement of parts and calibration to...

Страница 149: ...ircraft time that elapses from each subsequent installation to each subsequent removal if any or c the calendar time elapsed since the installation NOTE Dates stamped on individual components at the t...

Страница 150: ...inspection schedule This schedule is prepared in a manual form which is available exclusively by subscription to the Avantext TechPubs Maintenance Libraries for Piper Aircraft see www Avantext com P...

Страница 151: ...ph 3 8 2 Refer to the applicable section of this manual for instructions on how to gain access to remove any item that must be removed and is not completely accessible 3 Inspection Report Forms To hel...

Страница 152: ...PIPER COMANCHE SERVICE MANUAL III INSPECTION 04 01 09 1D14 THIS PAGE INTENTIONALLY BLANK...

Страница 153: ...hub pilot tube O B ENGINE GROUP WARNING GROUND MAGNETO PRIMARY CIRCUIT BEFORE WORKING ON ENGINE NOTE Read Notes 5 and 13 prior to completing this inspection group 1 Remove the engine cowl O 2 Clean a...

Страница 154: ...nspect intake seals for leaks and clamps for tightness O 23 Inspect condition of flexible fuel lines O 24 Inspect fuel system for leaks See Note 19 O O 25 Clean screens in plunger type electric fuel p...

Страница 155: ...sagging or wear O O 5 Inspect all oil lines fuel lines and fittings for wear leakage heat damage or fatigue See Special Inspections O O 6 Actuate wastegate control check spring pre load and examine c...

Страница 156: ...gation cabin and instrument lights O 10 Inspect instruments lines and attachments O 11 Inspect condition of vacuum operated instruments and operation of electric turn and bank Overhaul or replace as r...

Страница 157: ...trim horns control rod and trim mechanism for security of installation damage and operation O 14 Inspect stabilator tip balance weight arm for cracks O 15 Inspect vertical fin front spar to fuselage...

Страница 158: ...points for missing or worn hardware See Notes 23 and 24 O 6 Inspect aileron cable tension per Table V I Use a tensiometer O 7 Inspect aileron attachments and hinges for damage looseness and operation...

Страница 159: ...raulic lines electrical leads and attaching parts for condition and security i e routing chafing damage wear etc O 12 Inspect condition of shimmy dampener O 13 Inspect gear forks for damage O 14 Inspe...

Страница 160: ...k throttle and mixture operation O O 14 Check engine idle O O 15 Check propeller smoothness O O 16 Check propeller governor action O O 17 Check electronic equipment operation O O 18 Check operation of...

Страница 161: ...required outside the 50 100 hour cycle are listed as special inspections in paragraph 3 8 Inspections must be accomplished by persons authorized by the FAA a The 50 hour inspection accomplishes preve...

Страница 162: ...e section of the applicable Service Support Manual available from Teledyne Continental Motors Inc PH 800 718 3411 or http www tcmlink com 10 In PA 24 PA 24 250 S N s 24 1 thru 24 2298 less 24 2175 per...

Страница 163: ...on No 134 22 In PA 24 and PA 24 250 S N s 24 2882 thru 24 3687 and PA 24 400 S N s 26 1 thru 26 69 26 71 thru 26 79 26 81 thru 26 96 26 98 26 99 26 101 thru 26 103 26 106 26 108 26 109 26 112 thru 26...

Страница 164: ...PIPER COMANCHE SERVICE MANUAL III INSPECTION 04 01 09 1D26 THIS PAGE INTENTIONALLY BLANK...

Страница 165: ...PIPER COMANCHE SERVICE MANUAL 04 01 09 III INSPECTION 1D27 THIS PAGE INTENTIONALLY BLANK...

Страница 166: ...PIPER COMANCHE SERVICE MANUAL III INSPECTION 04 01 09 1D28 THIS PAGE INTENTIONALLY BLANK...

Страница 167: ...i e not equipped with any full flow cartridge filter change the engine oil and clean the screens each 25 hours of engine operation 2 In PA 24 and PA 24 250 S N s 24 1 thru 24 102 for airplanes which h...

Страница 168: ...on II 10 Lubricate control wheel chain vertical and horizontal per the Lubrication Charts in Section II 11 If installed replace the vacuum system inlet air filter i e central air filter gyro filter et...

Страница 169: ...propellers having blades with plain no prefix suffix serial numbers 00000 thru 21297 overhaul or replace propeller each five years or each 1000 hours Verify TBO in McCauley Service Bulletin No 137AD...

Страница 170: ...r to Hartzell Service Letter No HC SL 61 61Y Revision 2 or later to determine specific requirements for individual airplanes h Each 2400 Hours 1 In airplanes equipped with a Hartzell propeller governo...

Страница 171: ...air filter i e central air filter gyro filter etc element each 500 hours time in service annually and at vaccum pump replacement whichever comes first 3 If installed have any rechargeable gauged fire...

Страница 172: ...or each 2000 or 2400 hours Refer to Hartzell Service Letter No HC SL 61 61Y Revision 2 or later to determine specific requirements for individual airplanes 2 In PA 24s and PA 24 250s equipped with a W...

Страница 173: ...spect for leaks Hoses that pass inspection may remain in service but must be rechecked each five 5 years additional time in service No fluid hose may exceed twenty 20 years total time in service 2 Eac...

Страница 174: ...ly installed Kit No 760 505 prior to each flight inspect the pilot s control wheel mounted rocker type trim switch for proper operation per Electric Trim Switch Inspection under Procedures below NOTE...

Страница 175: ...h 30 days fly aircraft for 30 minutes each 30 days or ground run until oil temperature is in the green arc Avoid excessive ground run Engines with less than Each day pull prop through five Daily 50 ho...

Страница 176: ...s and lubrication Wheels Inspect for cracks damage chipped 100 Hours rims bearings for damage corrosion and lubrication Tires Inspect for cuts wear inflation and Daily deterioration Wheel Wells Inspec...

Страница 177: ...can be flown to a service facility by installing a temporary placard as follows in a conspicuous location on instrument panel Pull Electric Trim Circuit Breaker until compliance with Piper Service Bu...

Страница 178: ...ough visual inspection accomplish one of the following a Accomplish a submerged pressure check of the muffler and exhaust stack at 2 psi air pressure b Conduct a ground test using a carbon monoxide in...

Страница 179: ...ION 1D41 Figure 3 2 Exhaust System Inspection Points Sheet 1 of 2 INNER BAFFLE INNER BAFFLE TABS ALL WELDS INDICATED BY ARROWS PA 24 180 ALL WELDS AS INDICATED BY ARROWS ALL WELDS AS INDICATED BY ARRO...

Страница 180: ...gure 3 2 Exhaust System Inspection Points Sheet 2 of 2 2577 2578 OUTER HOUSING BRIDGE PLATE PA 24 260 SERIAL NOS 24 400 TO 24 4782 24 4784 TO 24 4803 INC ALL WELDS AS INDICATED BY ARROWS ALL WELDS AS...

Страница 181: ...PIPER COMANCHE SERVICE MANUAL 04 01 09 III INSPECTION 1D43 THIS PAGE INTENTIONALLY BLANK...

Страница 182: ...PIPER COMANCHE SERVICE MANUAL III INSPECTION 04 01 09 1D44 THIS PAGE INTENTIONALLY BLANK...

Страница 183: ...her flight revision of Hartzell Manual No 115N 168 169 or 175 McCauley Propellers see latest revision of McCauley SB 177 before further flight Engine See latest revisions of appropriate Each occurrenc...

Страница 184: ...r Sudden Stoppage Item Inspection Inspection Interval Engine See latest revisions of appropriate Each occurrence Lycoming Service Bulletins before further flight and Overhaul Manual Propeller Hartzell...

Страница 185: ...and seals hydraulic leaks and landing gear alignment Wheels Tires Brakes Cracks chips loose or cracked Each occurrence Not required for mounting bolts alignment of slippage before further flight sever...

Страница 186: ...es installation for security and operation Empennage Skins for buckling wrinkles loose or Each occurrence missing rivets Stabilator rudder and before further flight vertical fin for security of attach...

Страница 187: ...r Structures Check for internal corrosion If immersed each event i e Engine Mounts etc Clean and represerve as required before further flight See Engine Mount Corrosion Inspection Immersion in Water p...

Страница 188: ...sses are thoroughly free from contaminants Test electrical components and fuel metering devices in accordance with manufacturer s instructions to determine fitness for future use Reassemble engine usi...

Страница 189: ...apped contaminants Clean and check for short circuits Remove electric motors and electric pumps Remove all potted solid state electrical equipment such as alternator inop switches low fuel warning swi...

Страница 190: ...clean before further flight fuel cells and fuel cells wing area Clean all associated lines and pumps Clean and inspect all fuel tank vents cap vents and vent lines Instruments Clean and inspect instr...

Страница 191: ...erval Avionics Systems Replace avionics If immersed each event before further flight Clean and inspect antennas and connectors Insulation and Upholstery Remove all wet insulation and upholstery If imm...

Страница 192: ...PIPER COMANCHE SERVICE MANUAL III INSPECTION 04 01 09 1D54 THIS PAGE INTENTIONALLY BLANK...

Страница 193: ...vidual service publication for specific serial number applicability NOTE Owners of PA 24S s should consider service publications applicable to PA 24 airplanes of the same model year and serial number...

Страница 194: ...757 436 Warning Improper Use of Rudder Pedals SB 411A 760 835 Stabilator Torque Tube Bearing Block SB 464A 760 835 Inspection of Stabilator Torque Tube SB 496 Stabilator Balance Weight Tube Replaceme...

Страница 195: ...ne Breather Line SL 373 Airborne Mechanisms Dry Vacuum Pumps Models 113A1 and 113A5 1960 1963 SL 404 Inspection of Pitch Servo 1960 1964 SB 1026 753 910 Distribution of Parker Hannifin Airbourne SL No...

Страница 196: ...ailpiper Support 1958 1961 SL 360 754 413 Flap Retractor SL 366 Nose Gear Clevis SL 444 751 268 Installation of Special Steel Fittings on Auxiliary Fuel Pumps 1958 1962 SL 379 754 475 Landing Gear Saf...

Страница 197: ...ssembly SL 596A Nose Landing Gear System Product Advancement Information SL 650 Inspection of Landing Gear SL 651 760 732 Rudder Balance Weight Arm Attachment Angle Installation SL 653 Lycoming Servic...

Страница 198: ...Replacement or Modification of Muffler Shrouds SL 397 Inspection of Alternate Air Door Hinge Pin 1961 1963 SL 393 481 686 Replacement of Bendix Fuel Pump 1961 1964 SB 456A Warning Placard Replacement...

Страница 199: ...o 1265 Serrated Throttle Lever and Shaft SL 682B Lycoming SB No 367D Required Inspection of Piston Pin SL 687 760 747 Stabilator Modification SL 695 Edo Aire Mitchell SL No ML 38 Roll Servo Maintenanc...

Страница 200: ...l SL 718 Bendix Magneto Bulletin No 566 Reference Lycoming SB No 373 1972 SL 617B Piper Automatic Locator Transmitter Replacement PA 24 400 1964 SB 224 756 923 Mitchell Bulletin A55 Modification of Pi...

Страница 201: ...ly SL 596A Nose Landing Gear System Product Advancement Information SL 638A Edo Aire Mitchell SL No ML 35 SL 650 Inspection of Landing Gear SL 665A Lycoming Service Instruction No 1280A Rotator Type I...

Страница 202: ...PIPER COMANCHE SERVICE MANUAL III INSPECTION 04 01 09 1D64 END OF SECTION...

Страница 203: ...PIPER COMANCHE SERVICE MANUAL 1E1 SECTION IV STRUCTURES...

Страница 204: ...PIPER COMANCHE SERVICE MANUAL 1E2 THIS PAGE INTENTIONALLY BLANK...

Страница 205: ...Removal Of Door Lock Assembly 1E10 4 20 Removal Of Door Assembly 1E10 4 21 Installation 1E13 4 22 Installation Of Wing Assembly 1E13 4 23 Installation Of Wing 1E13 4 24 Installation Of Flap Manually...

Страница 206: ...43 Installation of Marker Beacon Antenna 1E18C 4 43a Electrical Bonding 1E18D 4 43b Metal Wire Stitching Repair 1E18F 4 44 Fiberglas Repairs 1E20 4 45 Fiberglas Touch Up and Surface Repairs 1E20 4 46...

Страница 207: ...he various control surfaces can be found in Section V 4 2 Description The structures of the PA 24 are of sheet aluminum completely primed with zinc chromate and covered with acrylic lacquer on the ext...

Страница 208: ...the clamp E To disassemble the landing light housing remove the screws located in the corner of the housing F Make sure that the electrical leads to the lamp are disconnected prior to removal and tha...

Страница 209: ...eron Reinforcement Plate P N 20234 22 replace it them as well as installing Kit No 763 893 above 3 Reinstall balance arm and then reinstall aileron Rig per paragraph 5 11 and lubricate per paragraph 2...

Страница 210: ...rvoir Refer to Draining Brake System Section II D Remove the front and rear seats E Set the aircraft on jacks Refer to Jacking Section II F Remove front floorboard and main spar cover panels G Disconn...

Страница 211: ...antenna from the top of the fin and separate the coaxial cable from the antenna D Connect a fish line to the coaxial cable before removing it from the fin to facilitate installation E Remove the bolts...

Страница 212: ...Table IV I Where cadium plating has been removed from outside of the torque tube apply a brush coat of cadium plate per MIL STD 865 Where paint has been removed from the inside of the torque tube appl...

Страница 213: ...Effectivity Outside Dia Wall Thickness 20203 00 PA 24 24 1 to 24 102 2 3113 105 PA 24 250 24 1 to 24 102 20203 03 PA 24 24 103 to 24 3687 2 3113 105 PA 24 250 24 103 to 24 3687 PA 24 260 All 22655 00...

Страница 214: ...624C NUT SPAR BUTT o4 N6 1204 BOLTS AN960 616 WASHER MS20365 624C NUT 16REO o a O 000 UPPER SPAR STRAP 04 174 o LJ _O t A N _ 2A BOLTS 04 173 o4 N5 10A BOLT AN8 16A BOLTS o4 N880 618 WASHER MS20365 62...

Страница 215: ...rear of spar center support tube assembly to the attachment bracket with a bolt G Install upper rear and front spar attachment straps and the spar support tube to the spar web at the jointure of the f...

Страница 216: ...pect flap rollers and tracks for dirt foreign material paint or damage Clean lubricate if applicable or replace as necessary D The right flap insert the flap return step lock cable end through the lea...

Страница 217: ...S MUST BE REPLACED IF THEY SUSTAIN DAMAGE OR EXHIBIT CRACKS A Position the aileron lubricate Refer to Lubrication Chart Section II and install the inboard hinge bolt Refer to figure 4 4 Install the ou...

Страница 218: ...The fin should be vertical and in line with the centerline of the fuselage 4 34 Installation Of Rudder WARNING ALL RUDDERS THAT HAVE BEEN REPLACED OR REPAINTED MUST BE BALANCED BEFORE INSTALLATION PE...

Страница 219: ...aced as follows A Remove windshield outside collar fairing by removing attaching screws B Remove windshield divider strip by removing attaching machine screws and nuts C Remove left or right upper int...

Страница 220: ...tch striker plate If the door fails to align remove it and reposition the two serrated door hinge bushings See 1 Figure 4 5 Repeat the above procedure until the door is properly aligned C Once the doo...

Страница 221: ...f free handle movement at the locked position C Adjust the automatic lock so that arm 6 will engage the spring loaded pawl on 7 move the stop plate into the locked position and then free itself of the...

Страница 222: ...of the handle plate assembly 6 to catch the latch plate 4 as shown in Figure 4 7 E Align the latch cable clevis end 8 holes with the lower hole of the handle plate assembly 6 Ascertain that the clevis...

Страница 223: ...lat of the latch plate 4 K Lock all clevis rod ends and safety all pins Install the door trim 4 42 Installation Of ADF Loop Antenna Fixed and Rotor type A Locate the ADF loop antenna mounting opening...

Страница 224: ...n of moveable components of the aircraft 3 No self tapping screws used for bonding purposes 4 Exposed conducting frames or parts of electrical or electronic equipment should have a low resistance bond...

Страница 225: ...Mounted on Non Conductive Material 003 Avionics Black Boxes 003 NOTE Harnesses should be installed and connected for this check internal chassis wiring through the connector to ground is permissible...

Страница 226: ...Joining 1 Substitute two rivets in lieu of each staple where stitching was previously used or is specified Maintain a minimum of 75 inch spacing between rivets 2 When materials being joined include St...

Страница 227: ...inst hardest material Install washer against opposite side of joint and upset rivet bucktail against washer NAS 1149CN432R Washer MS20615M4 Rivet Monel When materials being joined include only aluminu...

Страница 228: ...y A hypodermic needle may be used to inject gel into small cavities not requiring fiberglas millings mixed with the gel D Work the mixture of resin fibers and catalyst into the damaged area using the...

Страница 229: ...h pieces may be wet out on cellophane and applied as a sandwich Enough fiberglas cloth and mat reinforcements should be used to at least replace the amount of reinforcements removed in order to mainta...

Страница 230: ...atest revision To assist in making repairs and or replacements Figures 4 8 thru 4 13 identify type and thickness of various skin material used Never make a skin replacement or patch plate from materia...

Страница 231: ...edge and grasping the tab gently move it up and down without moving the stabilator mark the limits of the tab free play on the straightedge The overall travel free play must not exceed 076 of an inch...

Страница 232: ...IN THI A ONLV I II I BALANCE ARM N AIIMOVI CHI CK WCIGHT AlITER BALANCING 2 STABILATOR CONTROL CABLES 3 EXTENSION SPRING CAlLE PLATE PIN 23179000 5 BALANCE ARM WEIGHT 8 MASTER CHECK WEIGHT PIN 23Ml o...

Страница 233: ...osition trailing edge up down center etc it is placed in when properly balanced e Evenly distribute weights on both sides of the arm remove master check weight and connect controls 5 PA 24 250 and 260...

Страница 234: ...IV STRUCTURES 04 01 09 1F2 PIPER COMANCHE SERVICE MANUAL Figure 4 7d Checking Stabilator Free Play A835 STABILATOR SUPPORT STAND _____ 1 C 1 DIAL INDICATOR...

Страница 235: ...t used between the trailing edge of the rudder and the scale F Measure the distance in inches between the point at which the support on the scale contacts the rudder surface and the centerline of the...

Страница 236: ...balanced as long as the lead weight and steel arm are installed No further balancing is required Should repainting be required it will be necessary to remove all the old paint prior to applying the ne...

Страница 237: ...e 4 7e Checking and Balancing Rudder 1837 2557 j SUPPORT BOLT THRU HINGE IIIGl J tI MEASUREMENT D LEVEL CENTER LINE ACCURATELY CALIBRATED SCALE BALANCE STAND NOTE REFER TO TORQUE TABLE II IIA IN SECTI...

Страница 238: ...32 12 5052 0 0040 30 2024 T3 0032 13 2024 T3 0025 31 2024 T3 0025 5052 0 0040 32 2024 TJ 0025 15 3003 0 0051 33 2024 T3 0025 16 2024 0 o02S 3 2024 13 0025 17 2024 T3 0032 35 2024 T3 0025 18 2024 T3 00...

Страница 239: ...24 2 ONLY NO MATERIAL THICKNESS NO MATERIAL THICKNESS THERMO PLASTIC 0093 7 2024 13 0040 fiBER GLASS B 2024 T3 0040 2 2024 13 0025 9 2024 13 0015 3 2024 13 0020 10 2024 T3 0025 2024 13 0025 11 2024 1...

Страница 240: ...25 27 2024 T3 2024 T3 0020 2 2024 T3 2024 13 0040 29 2024 T3 5052 0 0040 30 2024 T3 2024 13 0025 31 2024 T3 5052 0 0040 32 2024 T3 3003 0 0051 33 2024 13 2024 0 0025 3 2024 T3 2024 T3 0032 35 2024 T3...

Страница 241: ...024 T3 0016 2024 T3 0016 THERMO 9 PLAsnc 0093 FIBER GLASS 12 13 14 MATERIAL THICKNESS NO MATERIAL FIBER GLASS 8 2024 T3 2024 T3 0025 9 2024 T3 2024 T3 0020 10 2024 13 2024 T3 0032 11 2024 T3 2024 T3 0...

Страница 242: ...0025 27 2024 T3 0032 10 2024 0 0020 28 2024 T3 0032 11 2024 TJ 0040 29 2024 T3 0032 12 2024 T3 0032 30 2024 T3 0032 13 FIBER GLASS 31 2024 T3 0025 FIBER GLASS 32 2024 13 0025 15 2024 0 0002 33 2024 1...

Страница 243: ...32 2024 T3 0032 2024 13 0016 2024 T3 0020 2024 T3 0020 8 MATERIAL THICKNESS NO MATERIAL FIBER GLASS 8 2024 13 2024 T3 0025 9 2Q24 T3 2024 T3 0020 10 2024 T3 2024 T3 0032 11 2024 T3 2024 13 0020 12 202...

Страница 244: ...ACCESS au it IiFA NT I I ATE t au IN 1IO n1 WIIG SIIIN OI 11 0 0 0 0 0 0 1 1731 ACCUS U I I __II INI OIIC MlNT r I I ATE I I i I I I I I 40 22 REQI _____ ___ ___ _J 07 1 521110 PIGURE 4 IA TYPICAL ACC...

Страница 245: ...PIPER COMANCHE SERVICE MANUAL 1F12A SECTION V SURFACE CONTROLS...

Страница 246: ...PIPER COMANCHE SERVICE MANUAL 1F12B THIS PAGE INTENTIONALLY BLANK...

Страница 247: ...ally Operated Flap Controls 1G15 5 18 Installation of Electrically Operated Flap Controls 1G15 5 19 Rigging and Adjustment of Electrically Operated Flap Controls 1G16 5 20 Flap Controls PA 24 400 1G17...

Страница 248: ...ENTS 04 01 09 1F14 SECTION V SURFACE CONTROLS TABLE OF CONTENTS continued Paragraph Grid No 5 38 Installation of Stabilator Trim Mechanism 1H4C 5 39 Rigging and Adjustment of Stabilator Trim Mechanism...

Страница 249: ...in turn is connected to the stabilator torque tube When the control wheel is moved forward or aft the cables move the balance arm up and down turning the torque tube and stabilator The rudder is contr...

Страница 250: ...llation of the various assemblies A It is recommended though not always necessary to level and place the airplane on jacks during rigging and adjustment B Remove turnbuckle barrels from cable ends bef...

Страница 251: ...09 V SURFACE CONTROLS 1F17 Figure 5 1 Correct Method of Installing Rod End Bearings 901A WRONG METHOD DAMAGE HERE DAMAGE HERE IMPROPER TOOL RESULTS IN LOCKED BALL ONLY CORRECT METHOD A SPECIAL WRENCH...

Страница 252: ...A 24 250 SERAIL NO S 24 2844 UP 1S 2 1 PA 24 260 PA 24 400 AILERON TRAVEL l L DOWNFULL PA 24 250 PA 24 260 ELECTRICALLV OPERATED FLAP TRAVEL I _L DOWNFULL PA 24 400 ELECTRICALLYOPERATED PA 24 180 SERI...

Страница 253: ...L PA 24 400 PA 24 260 PA 24 250 SERIAL NOS SERIAL NOS MEASURED FROM FACE NEUTRAL POSITION OF INSTRUMENT PANEL 0 T E A NEUTRAL 7 875 7 875 8 375 L_ J I III B 1_ L A r 01 0 B C D FORWARD AFT LEFT 5 875...

Страница 254: ...section Examine cables for broken wires by passing a cloth along length of cable This will clean the cable for a visual inspection and detect broken wires if the cloth snags on cable When snags are fo...

Страница 255: ...that occurring on the surface D Corrosion Carefully examine any cable for corrosion that has a broken wire in a section not in contact with wear producing airframe components such as pulleys fairlead...

Страница 256: ...YLKETONE MEK OR OTHER SOLVENTS CAUTION DO NOT OIL CONTROL CABLES Frequent inspections and preservation measures such as rust prevention treatments for bare cable areas will help to extend cable servic...

Страница 257: ...terminals turnbuckles and cable fittings Any corrosion or pitting found requires replacement of the corroded fitting and or cable 2 100 Hour Special Inspection For airplanes 15 years old or older usin...

Страница 258: ...procedure 1 Disconnect one turnbuckle 6 of the horizontal control chains 5 and 7 and unwrap chain 2 Separate the vertical control chain 13 from the aileron control cables by disconnecting one of the c...

Страница 259: ...set of rollers C To avoid unnecessary disassembly of control tube when checking end play of the collars 21 and 22 and cable attachment fitting 20 pre assemble to obtain clearances required between th...

Страница 260: ...nd one half the seal washers 18 Slide the cable attachment fitting 20 with cable arm forward onto the control tube followed by the remaining seal washers 18 and forward collar 21 Insert the end of the...

Страница 261: ...SQUARE TUBE SHAFT 4 BRACKET LEFT 5 CHAIN LEFT 6 TURNBUCKLE 7 CHAIN RIGHT 8 BRACKET RIGHT 9 PULLEY 10 CONTROL WHEEL RIGHT 11 CONTROL CABLE STABILATOR 12 BOLT NUT ASSEMBLY 13 CONTROL CHAIN AILERON 32 SL...

Страница 262: ...MIN 29 l l 30 12 12 SKETCH C SKETCH D A200 3 SQUARE TUBE SHAFT 37 15 12 4 BRACKET LEFT 8 BRACKET RIGHT 12 BOLT NUT ASSEMBLY 14 ROLLER ASSEMBLY 15 ROLLER 26 SPROCKET RIGHT 12 27 SPROCKET LEFT 28 BUSHIN...

Страница 263: ...24 11 2 CONTROL TUBE 3 SQUARE TUBE SHAFT 11 CONTROL CABLE STABILATOR 12 BOLT NUT ASSEMBLY 14 ROLLER ASSEMBLY 15 ROLLER 16 SAFETY WIRE 17 CAP BOLT 18 SEAL WASHER 19 BEARING 20 FITTING CONTROL WHEEL SH...

Страница 264: ...de of the fuselage and wing 2 If tension exists in the cable rotate the turnbuckle barrel on the aft arm of the aileron bellcrank at station 139 5 in the wing to slacken the cable Then disconnect the...

Страница 265: ...from the center of the fuselage 2 With the cable positioned on both the left and right pulleys in the fuselage at station 135 0 install the cotter pin cable guards 3 Attach the ends of the cable to th...

Страница 266: ...NT PULLEY CLUSTER JUST AFT OF FIRE WALL BE SURE TO THREAD CABLE IN THE PULLEY GROOVE AND NOT OVER TOP OF EITHER THE FRONT OR BOTTOM CABLE GUARDS REFER TO VIEW A A OF FIGURE 5 6 1 From the pulley clust...

Страница 267: ...T 6 CONTROL CABLE RIGHT 7 STRAP FITTING 8 BOLT ASSEMBLY 9 LOCKNUT 10 ADMUSTMENTBOLT 11 STOP BLOCK RUDDER AILERON INTERCONNECT SYSTEM PA 24 260 ONLY SIN 24 4783 24 4804 AND UP RUDDER AILERON INTERCONNE...

Страница 268: ...UAL V SURFACE CONTROLS 04 01 09 1G8 Figure 5 6 Aileron Control Installation cont A2S0 15 SKETCH B A2S0 15 ROD CABLE GUARD 15 NOTE BE SURE THE CABLE IS ROUTED BETWEEN THE CABLE GUARD AND THE PULLEY FWD...

Страница 269: ...n the wing as shown in Figure 5 7 This tool may be fabricated from dimensions given in Figure 5 17 The tool Side A uses the inside surfaces of rear spar as reference Align Side B with centerlines of t...

Страница 270: ...trols held in neutral position 5 12 Manually Operated Flaps 5 13 Removal Of Manually Operated Flap Controls Refer to Figure 5 9 A The flap lever assembly 36 may be removed by lifting the floor panel t...

Страница 271: ...eft control cable into the wing and connect to the bellcrank C Connect the fuselage control cable 40 to the wing cable at the rear seat location and draw the cable beneath the floor panel to the locat...

Страница 272: ...re 5 9 Flap Control Installation A824 1 BELLCRANK LEFT 2 CONTROL CABLE LEFT 3 PULLEY 4 SPRING 5 CONTROL CABLE RIGHT 6 BELLCRANK RIGHT 17 TURNBUCKLE 36 LEVER ASSEMBLY 37 RATCHET ASSEMBLY 38 SUPPORT BRA...

Страница 273: ...POSITION 14 CONTROL ARM LEFT 15 CONTROL ARM RIGHT 16 ARM ASSEMBLY 17 TURNBUKLE 18 BRAKE DISC 19 PIN WASHER COTTER PIN 20 TRANSMISSION 21 BRAKE SOLENOID 22 TRANSMISSION SCREW 23 BOLT BUSHING NUT 24 ADA...

Страница 274: ...LLCRANK LEFT 2 CONTROL CABLE LEFT A 45 3 PULLEY 4 SPRING 16 BOLT ASSEMBLY 25 CABLE GUARD PIN 26 CABLE CLEVIS 27 FLAP RETURN CABLE 28 COTTER PIN 29 BUSHING 30 LOCKNUT 44 31 ROD FORK END 32 LINK FLAP CO...

Страница 275: ...side of the wheel well Disconnect the other end at the leading edge of the flap H Removal of the right flap return cable and step lock mechanism is accomplished by disconnecting the return spring 43 a...

Страница 276: ...FLAPS WHILE IT WOULD SEEM SELF EVIDENT FIELD EXPERIENCE HAS SHOWN THAT THIS CHECK IS FREQUENTLY MISINTERPRETED OR NOT PERFORMED AT ALL ACCORDINGLY UPON COMPLETION OF FLAP RIGGING AND ADJUSTMENT VERIF...

Страница 277: ...spar support tube and the flap guide bracket D To remove the flap push pull control cable 5 remove the clevis end and locknut from actuator end of the cable Disconnect the support clamps and draw the...

Страница 278: ...use a bubble protractor The angle between the aircraft when level and flaps when they are fully retracted should be 13 when the flaps are fully extended to 38 the angle should be 51 1 Measurement of f...

Страница 279: ...stall the rudder pedal controls place the pedal assembly into position from the left inside of the fuselage Slide the tube into the left bearing block install the center and right bearing blocks 24 In...

Страница 280: ...sert a small diameter rod into the bottom of the rudder at the trailing edge and allow its end to extend down to the stabilator trim control rod Refer to Figure 5 10 6 Apply masking tape at 90 to airp...

Страница 281: ...4 15 16 17 18 20 21 RUDDER CABLE PULLEY CONTROL KNOB 1 1 TUBE I SUPPORT BLOCK 11 I BRACKET 20 I UNIVERSAL JOINT I jr COVER ____ PLACARD 2 z NOSE GEAR STEERING ARM _____V ACTUATOR SCREW TRIM BUNGEE Y 2...

Страница 282: ...1G22 Figure 5 12 Rudder and Rudder Trim Control Cont 19 SKETCH C A261 19 ROD CABLE GUARD 21 TURNBUCKLES 22 STEERING ROD 23 PEDAL BOLTS 24 BEARING BLOCKS NOTE BE SURE THE CABLE IS ROUTED BETWEEN THE C...

Страница 283: ...f the tapes Refer to Figure 5 11 5 Should the pointer not intersect the inboard edge of the tape adjust the rudder stops at the rudder hinge bracket to obtain correct travel 6 Ascertain rudder trim co...

Страница 284: ...THAT THE RUDDER MOVES LEFT WHEN THE RUDDER TRIM WHEEL IS TRIMMED LEFT AND THAT THE RUDDER MOVES RIGHT WHEN THE RUDDER TRIM WHEEL IS TRIMMED RIGHT A To rig the rudder trim mechanism ascertain that the...

Страница 285: ...the balance arm into the fuselage and slide the bearing blocks into position Install the mechanism brackets and secure torque tube assembly B The trim mechanism may be installed referring to paragraph...

Страница 286: ...lumn to the control wheel Refer to Table V I for appropriate dimensions and cable tensions to obtain the stabilator neutral position NOTE Stabilator should hit stabilator stop bolts before control whe...

Страница 287: ...PULLEY 2 TRIM CABLE 3 CONTROL CABLE LOWER CONTROLCABL UPPER 5 TURNBUCKLE 29 BALANCE WEIGHT 30 BALANCE ARM 31 SPRING 33 END BEARING CONTROL ROD 34 BELLCRANK TRIM TAB 35 ACTUATOR ROD 36 STOP TRIM SCREW...

Страница 288: ...M CABLE 6 CLAMP 7 BOLT ASSEMBLY 8 TUBE CABLE GUIDE 9 ROD CABLE GUARD 10 HOUSING TRIM DRUM 11 SCREW TRIM 13 PIN ASSEMBLY 14 STOP TRIM SCREW 15 MOUNT TRIM DRUM SKETCHC A829 SKETCH D 16 TRIM DRUM 19 SPRI...

Страница 289: ...NDICATOR 19 SPRING 20 TUBE INDICATOR 21 INDICATOR 22 MOUNTING BRACKET UPPER 23 INDICATOR WIRE TRIM 24 MOUNTING BRACKET 25 HANDLE 26 CRANK SUPPORT 27 STEM CRANK HANDLE 28 ROLL PIN 29 BALANCE WEIGHT 30...

Страница 290: ...PIPER COMANCHE SERVICE MANUAL V SURFACE CONTROLS 04 01 09 1H4B Figure 5 14 Stabilator and Stabilator Trim Controls cont...

Страница 291: ...tion and install cable pulleys that were removed C To rig and adjust the trim mechanism and cables refer to Paragraph 5 39 5 39 Rigging And AdjustmentOf Stabilator Trim Mechanism CAUTION VERIFY FREE A...

Страница 292: ...im screw and drum E Reset the stabilator and tab at neutral and adjust the trim indicator within the fuselage to read neutral by setting the wire at the rear of the fuselage CAUTION UPON COMPLETION OF...

Страница 293: ...in the aircraft The cable from the top of the drum wraps down in a clockwise direction 9 1 4 9 25 turns the lower cable wraps up in a counterclockwise direction 9 1 4 9 25 turns Insert the drum into i...

Страница 294: ...PIPER COMANCHE SERVICE MANUAL V SURFACE CONTROLS 04 01 09 1H4F THIS PAGE INTENTIONALLY BLANK...

Страница 295: ...rication Chan Section II Cable tension too high Adjust cable tension Refer to Table V I Control column hori Adjust chain Refer to 70ntal chain im Paragraph 5 7 properly adjusted Pulleys binding or rub...

Страница 296: ...era l SURFACE CONTROLS ISSUED 1118m Caue AILERON CONTROL SYSTEM COaL Aileron oomrol rods not adjllltCd prop erIy Aileron bencrank stops not adjusted properly Incorrect riaIinI of ailen n c ables cona...

Страница 297: ...il to e tend Muter switch off or retract Flap s0 lenoid does not ac Flap solenoid circuit tuatc breaker open Solenoid circuit Defeetive flap selector switch Defeetive up or down limit switch Defeetive...

Страница 298: ...lubrication Improper lubricant Flaps retracted at higher airspeed than recommended for flap operation after being used for take off IH8 Remedy Lubricate transmis ion Refer to Lubrica tion Chart Secti...

Страница 299: ...und flaps down when hey are up Flap fail 0 retract Up limit switch incor completely ctly adjusted Flaps do not extend Down limit switch in completelY com ctly adjusted Flap on on side fails Broken con...

Страница 300: ...ed position SURFACE CONTROLS ISSUED 8118172 Ca_ FLAP CONTROL SYSTEM conL Inconect riainI Weak retraction pring PA 24 2 0 up to Serial 24 3444 inclusive The limit switches re out of adjustlllenL Flap a...

Страница 301: ...able tension 00 high Pulley bindinl or rut bing Cables nor in place on pulley Cables crossed or routed incorrectly IH11 Remedy Adjust able tension pei Table V I uu I Pan graph 5 25 Replace pulley Tigh...

Страница 302: ...s sueamlined Incorrect rudder lnvd SURFACE CONTROLS ISSUED 8 18n2 eaa RUDDER CONTROL SYSTEM cont Rudder cabin ineOr rectly rigcd Rudder bcUcrank stop incorrectly adjusted Nose whccl comacu stop before...

Страница 303: ...d or routed incorrect lv Incorrect stabilator Stabilator stop bolts travel incorrectly adjusted Correct stabiJator Subilacor cabies incor myel cannot rectly riged be obtained by adjusting stop bolts 1...

Страница 304: ...rub bing Cables not in place on pulley Trim tab hinge binding Cables crossed or routed incorrectly System incorrectly ris ged Trim drum incorrectly wrapped IH14 Remedy Adjust in Kcordance willi Table...

Страница 305: ...dy STABILATOR TRIM CONTROL SYSTEM CDftL Trim indicator nOt properly adjuRed Trim indicator wire broken Trim indicator wire broken Broken indicator tension spri Forward trim puUey slippinl when crank i...

Страница 306: ...PIPER COMANCHE SERVICE MANUAL V SURFACE CONTROLS 04 01 09 1H16 Figure 5 17 Special Fabricated Tools Sheet 1 of 3 3 15 A 16 I I 3 1 ____ 4_3_2______ 6 k ____________ AILERON BELLCRANK TOOL...

Страница 307: ...PIPER SENECA SERVICE MANUAL 04 01 09 V SURFACE CONTROLS 1H17 Figure 5 17 Special Fabricated Tools Sheet 2 of 3 Figure 5 17 Special Fabricated Tools Sheet 3 of 3...

Страница 308: ...PIPER SENECA SERVICE MANUAL V SURFACE CONTROLS 04 01 09 1H18 THIS PAGE INTENTIONALLY BLANK...

Страница 309: ...PIPER COMANCHE SERVICE MANUAL 1H18A SECTION VI LANDING GEAR AND BRAKE SYSTEM...

Страница 310: ...PIPER COMANCHE SERVICE MANUAL 1H18B THIS PAGE INTENTIONALLY BLANK...

Страница 311: ...Repair 1I15 6 20 Installation of Nose Landing Gear Doors 1I15 6 21 Adjustment of Nose Landing Gear Door 1I15 6 22 Nose Gear Door Assembly PA 24 260 S N s 24 4783 and 24 4804 up and PA 24 400 1I15 6 2...

Страница 312: ...6 53 Adjustment of The Gear Down Limit Switch 1J16 6 54 Adjustment of Gear Retraction Transmission Assembly 1J16 6 55 Adjustment of Main Gear Push Pull Cables 1J18 6 56 Adjustment of Nose Gear Push P...

Страница 313: ...Master Cylinder Control Cable Inspection PA 24 PA 24 250 S N s 24 1 thru 24 2298 less 24 2175 1K18 6 89 Brake Master Cylinder 1K18 6 90 Removal 1K18 6 91 Disassembly Cleaning Inspection and Repair 1K...

Страница 314: ...PIPER COMANCHE SERVICE MANUAL VI TABLE OF CONTENTS 04 01 09 1H20 THIS PAGE INTENTIONALLY BLANK...

Страница 315: ...he pilot seats under the floor panel is an extension handle used to manually extend the landing gear while in flight should it become necessary Also it may be used to extend and retract the gear when...

Страница 316: ...PIPER COMANCHE SERVICE MANUAL VI LANDING GEAR AND BRAKE SYSTEM 04 01 09 1H22 THIS PAGE INTENTIONALLY BLANK...

Страница 317: ...r 10 and snap ring nl h To remo e the orifice tube 21 from the oleo housing remove the locknut I and washer 2 from the top of the housing Draw the tube with 0 ring 20 and back up washer 19 from the ho...

Страница 318: ...II 10LT A I LT LOW TOIIQul Ion 10 1 11 0 11 W 1 1 CN UII 111 0 It I III OIIl CI fUI OIt CI 1 1 1 IN It 1111 IIII A IIIIt 1 1 11 Ctll OW II 11 OUTI 0 III Ilt TIII II s It J 111 11 STOli 0 111110 111111...

Страница 319: ...er 26 and upper bearing 25 Align the lock pin hole of the upper bearing with the pin holes in the piston tube and install pins 24 g Lubricate the inner wall of the housing 3 and tube 12 Carefully inse...

Страница 320: ...e shimmy dampener 13 by removing each cotter pin nut washer and bolt that connects the dampener to the oleo cylinder and housing f Release and remove the snap ring 19 at the top of the housing 10 and...

Страница 321: ...at the inaide wall of the piston tube 5 insert the plug intO the tOP of the tube and push it to me fork end Align the bolt boles of the fork 17 tube and plug and install bolt CT 15 with washers 51 and...

Страница 322: ...d torque links do not restrict travel in the compressed position The weight of the gear wheel and fork should allow the strut to extend p Service the oleo strut with fluid and air Refer to Oleo Struts...

Страница 323: ...LY SAFETY WIRE CAP BOLT AIR VALVE STEERING BUSHING ASSEMBLY OLEO STRUT HOUSING BOLT ASSEMBLY MOUNTING BRACKET ASSEMBLY SHIMMY DAMPENER PISTON TUBE BOLT ASSEMBLY BOLT ASSEMBLY FORK ASSEMBLY Figure 6 2...

Страница 324: ...E 39 RING ORIFICE TUBE PA 24 400 40 ORIFICE PLATE 41 SNAP RING 42 PIN BEARING RETAINING 43 BEARING UPPER PISTON TUBE 44 BEARING LOWER PISTON TUBE 45 0 RING 46 0 RING 47 WIPER STRIP 48 WASHER 49 SNAP R...

Страница 325: ...R LOCK 25 BOLT PIPER COMANCHE SERVICE MANUAL 33 26 BUSHING STEERING 27 BUSHING STEERING 2B STEERING ARM 29 NUT 30 COTTER PIN 31 BUSHING TRUNNION 32 BUSHING LOWER 33 OLEO CYLINDER Figure 6 2 Nose Gear...

Страница 326: ...on or both drag links c The shimmy dampener requires no ser ice other than routine inspection In case of damage or malfunction the dampener should be replaced rather than repaired d Repair to the land...

Страница 327: ...1anding per panpaph 6016 g InsaU the bottom cowilUld air iJltake bOla h Connect and adjust the gear door per parqraph 6 17 or p ph 6 2 6 15 Adi t Of N_ G 1lnI LiD Refer to Fipre 6 3 a To adju_ drag 1...

Страница 328: ...ACHMENT LINK SPRING 10 STEERING ARM 32 PIVOT BOLT DRAG LINK 11 ALIGNER ROLLER 33 DOWN LOCK SPRINGS 12 BUSHING STEERING ARM 34 LOWER DRAG LINK LEFT 13 STEERING BELLCRANK 35 LOWER DRAG LINK RIGHT 14 BOL...

Страница 329: ...0 BOLT ASSEMBLY 2B UPPER DRAG LINK LEFT 29 DOWN LIMIT SWITCH LATE 30 CROSS BRACE DRAG LINK 32 PIVOT BOLT DRAG LINK 33 DOWN LOCK SPRINGS 34 LOWER DRAG LINK LEFT 35 LOWER DRAG LINK RIGHT 43 DOWN LIMIT S...

Страница 330: ...inks and strut housing adjusted for proper clearance of the lower drag link attachment fittings and the attaching bolt is a slip fIt secure the bolt with washer nut and cotter pin g Extend and retract...

Страница 331: ...a plumb bob to the fuselage one half inch to the right from center of the tail skid d Using the plumb bobs as a guide snap a chalk line extending several feet beyond each bob e Stand in front of the...

Страница 332: ...fore IDd aft The nter line of the rudder pedals is 13 derrees aft of the vertical position refer to Figure 6 S with the airplane level Pla e a bubble protraaor apiDst the pedal steering rube to check...

Страница 333: ...to Figure 6 7 With the DOse landing gear xtended disconnect the retraction rods 6 the a or plate by removing th locknuts and washen from the ball joints 5 b Remove the screws or hange pins attachina...

Страница 334: ...safety and tightness of jam nuts 6 27 Main Landing Gear 6 28 Disassembly Of Main Gear Oleo Refer to Figure 6 8 The main gear oleo assembly may be removed and disassembled from the gear oleo housing wi...

Страница 335: ...Fork tube for cOrTOsion scraech nicks dena and misaliJnment 7 Air valve I neral condition Repair of th oleo is limited eo smoothing oue minor scraeches nicks and d na and replac m nt of para d Individ...

Страница 336: ...27 slide the washer 28 into position and secure the assembly with snap ring 29 j Ascertain that the bushings are installed in the upper and lower torque links 5 and 2 and then install links NOTE Asce...

Страница 337: ...bolt 9 holding the bungee arm 10 to the rear strut support fitting II Cut and remove safety wire 13 Slide studs 14 from rear strut arm 7 Slide the bungee arm tube out of the rear support fitting free...

Страница 338: ...SEMBLY 5 TOROUE LINK UPPER 8 BOLT ASSEMBLY 7 HOUSING OLEO STRUT 8 PISTON TUBE 9 BOLT ASSEMBLY 10 BOLT ASSEMBLY 11 AXLE NUT 32 FORK ASSEMBLY SERIAL NOS 24 1 TO 24 84SINCL Figure 6 8 6 3 2 co 1 7 I c 9...

Страница 339: ...E 7 16 RING ORIFICE TUBE iPA 24 400 17 ORIFICE PLATE lB SNAP RING 19 ORIFICE TUBE 20 0 RING PISTON TUBE PLUG 21 PLUG PISTON TUBE 22 BEARING UPPER PISTON TUBE 0 22 __ 23 24 l 27 28 29 I I I I i j 1l _...

Страница 340: ...9 FIGURE ab MAIN GEAR SIDE BRACE BEARING TOLERANCE 8 Oleek side brace tinkJ nd rod end l eonnp for wear and pitch diameter tolerances in occordallco with Paragraph 6 32A c Repair of landing gear is li...

Страница 341: ...NF 3 2504600 5 8 18 NF 3 StlP 2 Revised 8 15 98 PIPER COMANCHE SERVICE MANUAL Serviceable Thread Tolerances 4675 I 4550 4675 I 4550 4675 I 4550 58891 5764 5889 I 5764 LINK l il j GUAGE TAB THREAD RING...

Страница 342: ...cess of the tolerances given in Figure 6 Sc it must be replaced b Rod End Bearings 1 This check requires the use of a NO GO thread plug gauge refer to table included in Figure 6 8b for the specific si...

Страница 343: ...bolt washers aDd lilt f Artacb the upper dng liAI to the pporr bracket with clevis bolt ash nut aDd corter pin and the 10 liAI to the stnlt bousing with bolt uben at each side of bcariaB and mut J Ch...

Страница 344: ...HIMS 18 STRUT SUPPORT FITTING FRONT 19 ASSIST SPRING 20 80LT ASSEMBLY 21 PUSH PULL CA8LE 22 SIDE BRACE SUPPORT BRACKET 23 PIVOT BOLT 24 UPPER DRAG UNK 26 DOWN UMrr SWITCH LATE MODEL 26 PIVOT BOLT 27 L...

Страница 345: ...IT SWITCH LATE MODEL 26 PIVOT BOLT 27 LOWER DRAG LINK 28 SAFETY SWITCH LATE MODEL 30 UPPER TORQUE LINK 38 SWITCH ACTUATOR ROD 39 SAFETY SWITCH EARLY MODEL 40 JAM NUT SKETCH A 41 ACTUATOR ARM 42 DOWN L...

Страница 346: ...E ARM 11 STRUT SUPPORT FITTING REAR 12 SHIMS 15 STRUT HOUSING 17 SHIMS 1B STRUT SUPPORT FITTING FRONT 43 SUPPORT BEARING REAR 44 SHIM 45 SNAP RINGS 46 BARREL NUT 47 BARREL NUT 48 SUPPORT BEARING FRONT...

Страница 347: ...acb aLber NOTE FaIlowillJ adjusLmmt to II of Lbe three in whicb Lbe callao Nbcslrod diIcoLlllcctai wiLb airc zaft all jocks Lbe trlLl8lliliiOll dilCaD_taI uceruiD tbat all three lear an liDkI SO over...

Страница 348: ...Alipmcnt Of MUa LaDdiDI Gar Place ht eels no less tbUI twelve feet Ions cross the front of both main l ncIing gear wheels Bu the straigh eels pins he tire the hub level of the lancling gear wheels Dev...

Страница 349: ...t still exisa sepa n te the torque links and add another spacer to the torque links Limit the number of spacen installed 0 allow for ll1su llation of the cotter pm in the bolt 6 36 Removal Of Main lan...

Страница 350: ...gb to take weiSht off the gear c Rei the air pressure from the saut by cicpn ssiIIJ the val con pin until the pressure hu ciiminisbed d UaiDJ sn p riIIJ pliers disenpge the snap riDe from the annular...

Страница 351: ...carpet back off the front center access panel by removing carpet attaChing screws 3 Remove front center access panel by removing attaching screws On airplanes with Seriall os 24 4783 24 4804 and up re...

Страница 352: ...flU I QN AIU I II 1oII GEII T 011 DlI 12 II TIIACfIOIll TOILOUt rua 11 PUS PULL liDO 51 1 1 PUI PULL liDO I 011 LIllI I I WI II 11101 ca O AG Lit u I 7 11011 E S UT A u L I II TIII CTIO 10111 OTOII I...

Страница 353: ...s until they are 010 to 015 below the surface of the rubber This grinding operation may be repeated until the coupling reaches a minimum diameter of I inch and then should be replaced h Adjust the mot...

Страница 354: ...ION RETRACT SPRING 24 80 AND 24 280 SERIAL NOS 24 TO 24 3817 I TRANSMISSION RETRACT SPRING 24 80 ANO P 24 28O SERIAL NOS 24 3818 AND U 400 MOTOA BRAKE ASSEMBLY EARLY t7 BRAKE SOLENOID 18 MOTOA BRAKE D...

Страница 355: ...rm 9 by removing the cotter pin washer and pin g Disconnect the forward end of the rod at the left drag link located in the nose gear wheel well by removing nut washer and bolt Retract the gear enough...

Страница 356: ...using the following procedure a With the rod end bearing removed from the aft end of the push pull rod place the rod in the nose wheel well and slide it through the seal assembly b Attach the rod end...

Страница 357: ...on jaclr s disc the retractiOll a P iMioll and nOK gear dowa lock spriap Follow adj mt to y of the three IfOSI ill which the control mba rod were disconnected with aircraft OD jacks tbe tnn jDion dis...

Страница 358: ...away from the suiker plate When the IandiJIs is down and locked the limit switch should have broken contact c The nose gear down limit nritch located at the left d link is adjusted by moving it towar...

Страница 359: ...T SPRIffG 1 24 110 MIl M 2e DO SEAIAL NOS 24 to 24 7 23 TRMI asaDN RE TRACT SPRING A 24 1O p 24 2IO SERIAL HOI 24 NII up PA 24 2 1O end PA 2 t tQO 24 IRAU AlSEMIlY 21 MOTOR SUPPORT ROD _ 27 TRANI WQ 2...

Страница 360: ...d firti s secure he rod end firrinl jam nuts and safety all pins Safety wire II cude nuts u shown in Figure 6 14 Sketch A Airc raft which have lock washen should be safety wired in accordance with Fig...

Страница 361: ...supplied in sizes of 016 0 32 0 64 and Il The clevis torque must be from 13 to 40 foot pounds properly aliped with the counter sunk hole side of the 064 and 12 shllllS apiDstthe radius of the clevis s...

Страница 362: ...he gear and check to insure that both main gear assemblies enter the wheel well approximately the same distance and that the nose gear enters far enough Refer to Figure 6 16 2 If the gear does not ret...

Страница 363: ...IJ21 INTENTIONALLY LEFT BLANK...

Страница 364: ...IJ22 INTENTIONALLY LEFT BLANK...

Страница 365: ...the shoulder of the adapter is seated on the extension handle or on the torque Nb socket g Open the gar motor circuit brak to prevent motor from running during gear check h PutWly retract landing gea...

Страница 366: ...TER OF GRIP AREA OR HANDLE PIVOT POINT DEPENDING ON TYPE OF WRENCH I __ ADAPTER PIN 26348 00 Wit I __ EXTENSION HANDLE MAIN GEAR PUSH PULL CABLE GEAR PUSH PULL ROD 1 REVISED 11 1 82 Figure 6 19 Torq u...

Страница 367: ...IP AREA OR HANDLE SOCKET 1O II PIVOT POINT DEPENDING ON TYPE OF WRENCH M O OA TORQUE TUBE EFFECTIVE ADAPTER LENGTH 12 INCHES NOSE GEAR PUSH PULL ROD MAIN GEAR PUSH PULL CABLE REVISED 11 1 82 Figure 20...

Страница 368: ...ended 4 To adjust the lock remove cotter pin 7 loosen jam nut 6 and turn lock arm 4 in the desired direction 5 If one half turn is needed for correct adjustment remove bolt 10 attaching lock fitting 8...

Страница 369: ...he landing gear warning micro switch located in the throttle quadrant by the following procedure I Remove the left trim cover from the throttle quadrant by removing attaching screws 2 Remove switch mo...

Страница 370: ...with Seri l Nos 24 1 to 24 4782 inel 24 4784 to 24 4803 iDel and PA 24 400 by the foUowi procedure a With the baztery muter switch on looseD the mounan screws or screws OD th micro switch mountiDc br...

Страница 371: ...able to the indicator plate and secure with set screw c Connect the landing gear cable to the indicator link arm and secure with set screw d Attach the assembly to the top of the instrument panel with...

Страница 372: ...may be din b ed by def atiDJ the tire and remoYmg tbe screws 8 securing the gr scaI retainers 5 c Remove the rctaiJIers and bcarifII COIleS 4 f Remove the bolts 11 sccuriDB the wheel balv and scpuue...

Страница 373: ...e pi 2 Insert 1 87 inch cliameter rube into the fori and tap OUt the axI from the wh el mbly J Insert pryinJ tool betWeen the side of the fori assembly aad wheel and pply enough pr re on the fork to a...

Страница 374: ...ter of felt grcase seals Replace the felt grease seals if surface is hard or gritty d Check tire for cuts internal bruises and deterioration e Check bearing cones and cups for wear and pitting and rel...

Страница 375: ...the wheel foUo Refer to Figure 6 26 I Slide the wheelan the ule 2 Tighten the axle nut to allow the heel to tum freely yet not fit loose on the axle 3 Saiety the lXie nut and in wl dust cover g Instal...

Страница 376: ...ol ly for replacement The bearing cup may be removed by rappq CVCDiy from the inside of the whed to7S 1 11 dDnOfWboeI bly Visually cbeck all parts for craw disrortion defeca and e CIS WCU b Check tic...

Страница 377: ...using from the torque plate d Remove the adjustment nut 21 and washer and the retraction spring 19 and sleeve 18 from the cylinder housing e Slide the pressure plate 7 and lining off the anchor bolts...

Страница 378: ...21 c Slide the cylinder housing assembly on the torque plate of the landing gear d Position the lining back plates 2 between the wheel and brake disc Insert the spacer block 5 between the back plates...

Страница 379: ...injecting low air pressure in the cylinder fluid inlet and forcing the pistons from the housings f The lining 8 and 11 can be removed by prying it from the pressure plate and back plates 6 82 Cleaning...

Страница 380: ...shim 10 between the spacer block and line backing plates e Connect the brake line to the brake cylinder housing f Bleed the brake system as described in Paragraph 6 88 NOTE Replacement brake linings s...

Страница 381: ...sinsle or isoWed grao up to 031 of an inch deep would not neeessi repiaccmcnt but groovins of die rire surface wouici reduce IininJ life and should be repia eci f LiDiDa can be rema d by liftiDt it f...

Страница 382: ...ier to FiJUrc 6 31 Rivet d Brok Disc a R move eiJht rivers attaching br ake discs ro inner wheel half by chiseling off head inside drum and punching them out b Place wheel half mbly into boiling water...

Страница 383: ...described below a Place a suiable container at the brake reser air to coUect fluid overflow b Remove the rubber blood fitting cap located on the bottom of the bnlte unit bousing on the landing gear c...

Страница 384: ...ws d Disconnect the inlet supply line at the top of the cylinder and drain the fluid from the reservoir into a suitable container e Disconnect the pressure line at the bottom of the cylinder and allow...

Страница 385: ...24 2202 UP INSPECT BUSHING PIN 80022 096 FOR CONDITION I E WEAR AND SECURITY 2 2568 INSPECT CABLE PIN 21077 000 FOR CONDITION I E FRAYING SKETCH A ROTATED 180 20990 A I 1 PARKING BRAKE CABLE 2 RESERV...

Страница 386: ...PARKING BRAKE CONTROL CABLE 4 RIGHT MASTER CYLINDER 16 5 TORQUE TUBE 6 RIGHT CONNECTING ROD 7 RIGHT RUDDER PEDAL 8 LEFT MASTER CYLINDER jl 18 17 9 LEFT CONNECTING ROD 10 PARKING BRAKE HANDLE 11 BRAKE...

Страница 387: ...Insert the parking brake cable through the bushing in the actuating arm and secure with set screw c Clamp the cable housing to the upper part of the cylinder assanbly d Connect tbe brske fluid lines...

Страница 388: ...lK22 INTENTIONALLY LEFT BLANK...

Страница 389: ...I lTIII 0 ItllIIIG ITOII 1100 IUIM 1I0LL I 0 0 1I1 UII II ISTOII Z 0 111 U 11 11 I IN CTI UIOIII OU ING FIGURE 6 35 BRAKE MASTER CYliNDER PA 24 180 and PA 24 250 Serial NOL 24 1 to 24 2174 incl 24 217...

Страница 390: ...stem d remove rivet c Slide the valve stem out of the valve body d Remove tbe spacer d 0 ring from th valve body 6 96 CleuUD alp orion ADd Repoir Of hrIdas Brake Valve Scoa a Clcaa aU parts in suit bl...

Страница 391: ...laacs witb Serial NOL 24 1 to 24 2201 iad position parking brake valve oa the aft side of be flleWall aear the left set of rwlcIcr pedals b ColIJICCt coaaol cable to valve 1_ c Secure valve to firewal...

Страница 392: ...7 and valve 16 6 104 Cleaning Inspection And Repair Of Brake Cylinder a Clean the cylinder parts with a suitable solvent and dry thoroughly b Inspect the interior walls of the cylinder for scratches b...

Страница 393: ...LAJICI UT G TOil 1100 ITT 1f1 1 011 Ulotllt ZO 0 IIIIIG O UTO luIM 0 1115 U SU UT M I IG ZO e 0 t CTUAT JIIO e I IOIClIII 1 IClllw FIGURE 6 37 BRAKE MASTER CYLINDER PA 24 180 and PA 24 250 Serial Nos...

Страница 394: ...in Figun 6 37A b Insert the parking brake cable throu lh the bushi in the Nating arm and n with Set screw c Clamp the cable hOUR to the upper part of the cylinder bly d Conne the brake fluid lin to th...

Страница 395: ...motor asaembly Tnnpnjssju mocor u Replace tnIISIDisIioa motor scmbly blUllCd out _bly Gear lDotor ground circuit Check ground wire to opeD fuscIIcc Miaoswitch at throttle Adj miaoswitch Rder out of ad...

Страница 396: ...ker ope Transmission oper Barint retainer sIftw but relouc tube biapin remaiDs stationary Bearint retainer sleeve hia other raaiction Landing will retract Safety switch out of adjUst with oleo milt in...

Страница 397: ...NCHE SERVICE MANUAL Lf I 625 _ _ _ _ illS 11 5 I ____________ I T 125Dr L 1 _______F_R_O_N_T __ i _________________J 125 I FIGURE 6 38 FABRICATED PLUMB BOB TOOL lL7 LANDING GEAR AND BRAKE SYSTEM ISSUE...

Страница 398: ...PIPER COMANCHE SERVICE MANUAL t I U f 195 d SPlIIIC A 121 l o o I 3II 187 117 tl 31 1 jn f 115 U FIGURE 6 39 FABRICATED NDSE WHEEL ALIGNMENT JIG IL8 LANDING GEAR AND BRAKE SYSTEMA ISSUED 111m _...

Страница 399: ...STEEl 4130 125 x 75 X 5 00 MATERIAl TUBE STE L 4130 13 160 0 X 937 1 0 X 1 43 I NOTE AFTER F A6RICATION OF ASSEMBI Y HEAT TREAT TO 160000 180000 PSI Azoe TYPICAl INSTAI i ATION FIGURE 6 40 FABRICATED...

Страница 400: ...lLlO INTENTIONALLY LEFT BLANK...

Страница 401: ...SERVICE MANUAL CUNCH THE FlOO INO BeARING BETWEEN Tl4E BOLT AND NUT DIAL INDICATOR ROO END o VICE FIGURE 11 41 INSPECTION Of ROO END BEARINGS INTENTIONALLY LEFT BLANK ADDED 612517 LANDING GEAR AND BRA...

Страница 402: ...the thru center travel of each main gear side brace link Refer to paragraph 6 32 and Figure 6 8a g Install the downlock springs on the nose gear If only one spring is used obtain Piper Service Kit 761...

Страница 403: ...D 0 0 Min Max 373 371 370 373 3751 373 373 376 374 376 435 433 374 377 432 435 43651 4385 4365 4395 43651 4385 4365 4395 4971 495 494 497 560 558 557 560 498 500 498 501 561 563 561 564 498 500 498 50...

Страница 404: ...CZ47 14 COMANCHE SERVICE MANUAL PIPER I I If IfJ 2 M G rvwvee ar Limits Figure 6 4 LANDING GE BRAKE SYSTEM ARAND REVISED 4 10 81 lL14...

Страница 405: ...098 Nose Springs 2 Req Mig Limits Service Limits I D 0 0 Min Max 374 000 370 374 003 3745 3755 3745 3765 3745 3755 3745 3765 374 376 374 377 3742 3737 3727 3742 3745 3755 3745 3765 374 000 370 374 003...

Страница 406: ...PIPER COMANCHE SERVICE MANUAL 0 10 FIGURE 643 NOSE GEAR WEAR LIMITS LANDING GEAR AND BRAKE SYSTEM REVISED 10 3 77 lL16...

Страница 407: ...PIPER COMANCHE SERVICE MANUAL 04 01 09 VI LANDING GEAR AND BRAKE SYSTEM 1L17 THIS PAGE INTENTIONALLY BLANK...

Страница 408: ...PIPER COMANCHE SERVICE MANUAL VI LANDING GEAR AND BRAKE SYSTEM 04 01 09 1L18 GRIDS 1L18 THRU 2A6 INTENTIONALLY BLANK...

Страница 409: ...PIPER SENECA SERVICE MANUAL 2A7 SECTION VII POWER PLANT PA 24 180...

Страница 410: ...PIPER SENECA SERVICE MANUAL 2A8 THIS PAGE INTENTIONALLY BLANK...

Страница 411: ...rnor 2A20 7 19 Adjustment Of Propeller Governor Woodward 2A21 7 20 Adjustment Of Propeller Governor Hartzell 2A22 7 21 Engine 2A23 7 22 Removal Of Engine 2A23 7 22a Engine Mount Corrosion Inspection I...

Страница 412: ...ine 2B12 7 45 Staring Vibrator Checking Procedure 2B14 7 46 Harness Assembly 2B15 7 47 Removal Of Harness 2B15 7 48 Installation Of Harness 2B16 7 49 Spark Plugs 2B16 7 50 Removal Of Spark Plugs 2B16...

Страница 413: ...eto on the right side of the engine and a dual contact magneto on the left to obtain the retard spark necessary for starting A starting vibrator magneto switches and starter switch complete the system...

Страница 414: ...PIPER COMANCHE SERVICE MANUAL VII POWER PLANT 04 01 09 PA 24 180 2A12 THIS PAGE INTENTIONALLY BLANK...

Страница 415: ...rUt k Retnoving attaching screws from bORom cowl and remo e by pulling down and forward H CI inI Inspection And Repair Of EDJiac Cowl CI cowling with ruiable cl Ding solvent d wipe dry with clean clot...

Страница 416: ...the position of each put in relation to the other to facilitate installation a Remove the Sp1lU1CT 10 by removing the screws 11 that secure it 0 the spinner bulkhead 5 b PlAce dri pUl under the prope...

Страница 417: ...ether they tum freely on the hub pivot tube This can be done by rocking the blades back and forth through the slight freedom allowed by the pitch change mechanism If they appear tight and are properly...

Страница 418: ...bore Make sure that the 0 ring is not twisted and is liberally coated with clan Illbricatial oil NOTE Some l cCauley Model 2D36C14 opeUers will be fOllDd in lise with cOllDtetbore in the hllb instead...

Страница 419: ...the engine flange g The spinner bulkhead rna be removed from the starter ring gear 5 b remming nUlS hers and bolts 6 7 13 Cleaning Inspection And Repair The instructions for cleaning inspection and r...

Страница 420: ...1 be installed u failute to do so may result in fa il lte of the mOWltinJ bolu due to relaave movement oi the cwo fIqa f Raise the propeller intO position with the ctlJine IUId slide the propeller ont...

Страница 421: ...h Pilch Low RPM McCaule 17 50 Hartlell 27 Propeller RPM Selling Engine Stalic High RPM 1700 RPM Max Engine Sialic Lo RPM IK50 50 RPM Min Propeller Torque Limits Description Requtred Torque Dry Spinner...

Страница 422: ...OfGovcmor Life b th engine cowl side panels by looseaiq the six fasteners b DisconncC c onaol able from SOverDor conaol arm c Remove concrol cabl from cable bracket by l CDIoYins Dua wuhers screws aDd...

Страница 423: ...counter clockwise increases the Peed 100 rpm On revolution of the IU rpm fme adjustment in a clockwise direction decre ucs engine speed 2S rpm countcr clockwise roration increases ngine Peed 2S rpm f...

Страница 424: ...gine speed and a counter clockwise rotation to increase engine speed One revolution of the fine adjustment screw increases or decreases the propeller speed approximately 15 RPM d After setting the eng...

Страница 425: ...2 Insert a plastic tube thru each inspection hole and feed it up to the high point of the engine mount tube 3 Using a syringe inserted into the end of the plastic tube pump linseed oil into the upper...

Страница 426: ...2 A24 INTENTIONALLY LEFT BLANK...

Страница 427: ...ENOIN MOUIilT z E MAUIT TAIL PIPE OIL PRESSURE SCAEEN HOUSING FUEL INLET LINE VACUU PUMP ZZ IUII TOII CONTROL C LES OPELLEA GOVERNOR COTT R PIN Oil rlLLER z lHAUST Io4UFP LlR WASHERS OZ TACMOMETER C...

Страница 428: ...INTENTIONALLY LEFT BLANK 2B2...

Страница 429: ...and remove filter from the boctom cowl 7 27 Service tncuctions Saul OS 2 1 to 24 1 i6 This type of filter must be Inspected daily for dirt accumulation and proper oiling the foUowing procedure should...

Страница 430: ...and up a Position the filter on the bottom cowl and secure with studs b Install air scoop on bottom cowl and secure with quarter turn fasteners i 32 Urburetor 7 33 Carburetor taiDte1WICc Refer to Figu...

Страница 431: ...Connect carburetor hear air duct to a it box 7 36 Acljusancnt Of Corburftor Controls Refer to Figun 7 6 The throttle mixrure and carburetor heat controls are adjusted so tha t when the throttle arm o...

Страница 432: ...throttle mixture and carburetor he u controls in the cockpit full aft to a sceru in that the throttle ann contacts the idle screw and the mixture control arm contacts its idle cut off Stop a nd the ca...

Страница 433: ...ld altitude upon idling adjustment 7 38 Ignition System 7 39 Magneto CAUTIO Ascertain that the primary circuits of both magnetos are grounded before working on the engine 7 40 Inspection or Magnetos A...

Страница 434: ...dy and Oyweights k Check that the impulse coupling Oyweight axle rivets are tight and there are no cracks in bod I Check lead conduits for frayed or broken areas of braid due to excessive wear and rep...

Страница 435: ...o determine E gap find neutral position of the magneto drive by rotating drive coupling in a left hand direction until the red or white chamfered tooth on the distributor drive gear appears through th...

Страница 436: ...h the engine or magneto manufacturer A pointer may be fonned is shown in Figure 7 12 NOTE A pointer can also be made by wrapping piece of soft wire tightly around the head of cam securing screw and be...

Страница 437: ...position bend the pointer back to the 0 mark i Ising Oat Table VII II determine the degree of retard of the rr a gneto being checked Iorm lly the correct retard setting will be stunpcd 10 bottom of b...

Страница 438: ...stroke is reached The compression stroke is indicated by a positive pressure inside the cylinder tending to lift the thumb off the spark plug hole In this position both valves of No one cylinder are...

Страница 439: ...linder NOTE The crankshaft should not be rotated more than 10 degrees in direction oppoSIte nonnal rotation from the 2S degree BTC as the pawl on the impulse coupling 21 magnetos will engage with the...

Страница 440: ...utput must be at least 8 YOla on 12 YOlt systems b If voltqe is adequate listcn for bllZZiDg of vibrator dllriDs startiDJ If no bllZZiDg is hcarcl either the vibrator is clcfective or the circuit from...

Страница 441: ...harness assembly such as replacement of contact springs spring retainer assemblies insulating sleeves or of one lead assembly can be accomplished with the harness assembly mounted on the engine Howev...

Страница 442: ...y results in damage to the barrel insulator and connector If the lead cannot be removed easily in this manner the resisting contact between the neoprene collar and the barrel insulator will be broken...

Страница 443: ...seized plug e Do not allow foreign objects to enter the spark plug hole 7 51 Inspection And Cleaning Of Spark Plug a Visually inspect each spark plug for the following non repairable defects I Severel...

Страница 444: ...s valve whose function is to permi pressure oil to by pass the oil cooler in case of an obStrUction b Adjustable Oil Pressure Relief Valve The adjustable oil pressure relief valve enables the operator...

Страница 445: ...all are tight and there is no indication of cross threading See c below for oil line torque 2 Oil lines must have adequate clearance and be properly aligned 3 Oil line supports should be tight properl...

Страница 446: ...ult in high oil consumption as the additives in some of these oils can retard the break in of the piston rings and cylinder walls 2 AU new or newly overhauled turbocharged engines must be broken in an...

Страница 447: ...Witch or loose ground 2 B21 Remedy Check fuel sysrcm for leaks Fill fael WIk CInD dirty lincs tnincrs or fud cocks Prime m two or tiIrft srrokcs of primer Open throttl and unload ae Open throttl to on...

Страница 448: ...tcr Clean refer to Parqraph 7 Z Mixture tOO rich indicated Check primer RcadjllStlllCDt of by slagisb CDfiDe carbumor by authorized opcraaoa red cxbaIIIt pcnolUlCl iDdicated flame d black SIIIOkc Mixt...

Страница 449: ...ressure line High olllemperarure Slopp e in oil pump intake passage Worn or scored bearings 2 823 Remedy AdjUSt Ihronle eYer TiBbml all conneotions and replace defectift parts Examine air scoop and re...

Страница 450: ...mption and if found overhaul of engine is indicated Worn or broken piston Install new rings rings Incorrect installation of Install new rings piston rings External oil leakage Check engine carefully f...

Страница 451: ...PIPER COMANCHE SERVICE MANUAL 2C1 SECTION VIIA POWER PLANT PA 24 250 260...

Страница 452: ...PIPER COMANCHE SERVICE MANUAL 2C2 THIS PAGE INTENTIONALLY BLANK...

Страница 453: ...7A 19 Cleaning Inspection And Repair 2C12 7A 20 Installation Of Propeller 2C12 7A 21 Adjustment Of low Pitch Blade Angle Stop 2C13 7A 22 Blade Track 2C13 7A 23 Propeller Governor 2C15 7A 24 Removal O...

Страница 454: ...or Maintenance 2D13 7A 56 Lubrication Of Fuel Injector 2D13 7A 57 Removal Of Fuel Injector 2D13 7A 58 Preparation Of Fuel Injector for Shipping 2D13 7A 59 Preparation Of Fuel Injector for Service 2D15...

Страница 455: ...ss 2E3 7A 79 Spark Plugs 2E3 7A 80 Removal Of Spark Plugs 2E3 7A 81 lnspection And Cleaning Of Spark Plug 2E5 7A 82 lnstallation Of Spark Plugs 2E5 7A 83 Lubrication System 2E5 7A 84 Oil Pressure Reli...

Страница 456: ...PIPER COMANCHE SERVICE MANUAL VIIA TABLE OF CONTENTS 04 01 09 2C2D THIS PAGE INTENTIONALLY BLANK...

Страница 457: ...r associated components The S6LN 20 series magnetos incorporate a single breaker and an impulse coupling installed on the left magneto The S6LN 200 series magneto system consists of a single contact m...

Страница 458: ...PIPER COMANCHE SERVICE MANUAL VIIA POWER PLANT 04 01 09 PA 24 250 260 2C4 THIS PAGE INTENTIONALLY BLANK...

Страница 459: ...y g Disconnect the air bellows from air filter by loosening the quarter turn fasteners h Disconnect all drains and holes allached to the bOllom cowl Disconnect the two support tubes from the ball am c...

Страница 460: ...loose riyetS elongated ho and dam ed or missing fasteners c Repair all defects to p nt further dam Fiberslass repair procedures may be ccomplished according to Fiberglass Repain Section IV 7A 10 Inst...

Страница 461: ...idennfy the posItion of each part in relation to the other to faciliute tnlUllanon a Remove he spmner 10 by removinl the screws 11 tha t secure It to the spm ncr bulkhead 5 b Place drop pan under the...

Страница 462: ...ty f Check blades to det rmine whether they turn freely on the hub pivot tube This can be done by rocking the counterweights or blades back and forth through the slight freedom allowed by the pitch ch...

Страница 463: ...a counterbore in the hub instead of an 0 ring groove When installing these propellers always insert the 0 ring in the counterhore and push it to the bottom Never slide the 0 ring on the crankshaft pi...

Страница 464: ...nstallation a Ascertain that the muter switch a nd magneto switches are III the OFF position b Remove the spinner 1 by removing the screws that secure it to the spinner bulkhc ld 4 c Place a drIp pan...

Страница 465: ...essential that shim II be installed as failure to do 0 rna result In failure of the mounting bolts due to relati e movement of the two flanges f Raise the propeller into position with the engine and s...

Страница 466: ...A 13 l 7A ZO Installation Of Propeller PA 24 Z60 Rder 0 Figure 7A4 Clean propeller and engme flanges b lnstall spinner bulkhead 10 on saner ring gear 11 and torque bolu co speCifications given In Tabl...

Страница 467: ...for ea ch half rum or vice versa b After the low pitch StOp bas been adjusted for proper blade angle the go emor should then be adjusted 0 obtain maxunum rared engine RPM dunng rake off and climb as d...

Страница 468: ...tch Hi8b RPM Hi8b Pitch Low RPM Engine Static High RPM 24 BO 24 260 Engine Static Low RPM 24 250 24 260 Description Spmner Bulkhead Bulkhe d to Starter Ring Ge Bulkh d to PropeUer Hub Propeller r1 oun...

Страница 469: ...govemor control per panpaph 7A 26 or 7A Z7 7 26 AdjustmGlt Of PropeUcr Governor Woodward P 24 250 Refer to Figu A a Start the engine In accordance with the directlons given in Owner s Operating 1 an...

Страница 470: ...wix direction to decrease engine speed and a counterclockwise rotation to increase engine speed One feYOlution of the fmc adjusanent screw increases or decreases the prop Uer speed approximately 15 RP...

Страница 471: ...ion c Remove engine cowling Refer to paragraph 7A 5 d Drain engine oil if desired e Remove propeller if desired Refer to paragraph 7A 12 or 7A 15 NOTE Where a question may arise as where to reconnect...

Страница 472: ...one half ton minimum hoist to the lifting strap and relieve the tension on the engine mounts ae af Check the engine for an attachments remaining to obstruct its remO al Remove the cotter pin nut washe...

Страница 473: ...ing on engine accessory housing t Connect magneto p leads to magnetos and safety u Connect manifold pressure line to 0 6 cylinder Connect primer line Connect cylinder head temperature wire to 1 0 5 cy...

Страница 474: ...2 C20 INTENTIONAL L Y L EFT BLANK...

Страница 475: ...ILY I EMIIIM MOUNT TACHOMETER CAlLE 10 DErAOSTEA A R DUCT II IroIANII OLD PRESSURE LINE 12 C II I1EAT DUCT CUUM DUMP LINE 14 ENe nill IREATHER MU LI III AUXILIARY UEL UMP 17 OIL COOLER II NGI E DRIVEN...

Страница 476: ...INTENTIONALLY LEFT BLANK 2C22...

Страница 477: ...nder m Disconnect fuel pump drain hose from pump n Disconnect fuel pump inlet and audec lines o Remove ou cooler lines p Disconnect ema ust ga s temperature probe from No 6 cylinder e aust stack q Dis...

Страница 478: ...2 C24 INTENTIONALLY LEFT BLANK...

Страница 479: ...ALYE ZI NAUIT WU LEII RII PLUe INJICTOR lIiII IET UEI LIME ENGIIIE OIL LLER H CABIN HEAT DUCT ltlt PLUG LEAD Z UEL U ENGINE OIL rill 1I Z SOlT 1 8 NE SHOCI WOUIIT IIIEP ER TO SKETCH AI ZO I lIen E MOU...

Страница 480: ...INTENTIONALLY LEFT BLANK 2D2...

Страница 481: ...aps to engine and engine mount Connect spark plug leads and clamp to prevent chafing Connect throttle and mixture controls and adjust per paragraphs 7A 52 or 7A 61 Connect carburetor heat control if i...

Страница 482: ...ther from engine m Disconnect exhaust ga s temperature lead from No 6 cylinder exhaust sUl k n Di5 onnect fuel pump inlet line at fuel pump o DlSConnect fuel pressure oil pressure and fuel flow lines...

Страница 483: ...h bonding straps to engine and engine mount I Connect cylinder head temperature o 5 cylinder and exhaust gas temperature t 0 1 cdinder leads and secure m Connect fuel pressure fuel flow and oil pressu...

Страница 484: ...2 06 INTENTIONALLY LEFT BLANK...

Страница 485: ...SKETCH Al II NIFOLD SSURE L lilliE 12 ENG HE MOUNT TACHOMETER CA LE ACUUM LIJoIE AIR FILTER 1101 CA N HEAT DUCTS EXTERNAL PO II RECEPTACLE A A INT I E H ATER EXHAUST IotU P LER 2 EXHAUST OUT LET 21 EX...

Страница 486: ...INTENTIONALLY LEFT BLANK 2D8...

Страница 487: ...e its effi ency c Immerse the mter in a lisht weicht grade of oil fur a period of five minutes d_ After removli of the mtor from the oil aUow to drain thoroughly before insulling in the aapw e 7A 38 I...

Страница 488: ...filter and the injector unit is to prO ide a source of air should there be an air stoppage through the filter system The following should be checked during IOspeClion a All door seals are tight and h...

Страница 489: ...fuel line from carburetor f g Remove carburetor tram the engIne sump by removing pallock nuu nuts and washers Cut safety wire olnd remove bolu nuchlng the air box to the cuburetor 7A S 1 Installation...

Страница 490: ...ad temperatures are normal b Check magnetos If the mag lrop is normal proceed with idle adjustment c Close the throllie 10 idle If the RPM changes appreciably after making the idle mixture adjustment...

Страница 491: ...OIor a There is very little need for lubrication nf the injector in the field betWeen regular overc auls However rhe cleY1 1 pms used in connection with the throttle and manual mlXNre conC Ollevers sh...

Страница 492: ...F LEVER THROTTLE LEVER LINKAGE CONSTANT no 1 SPRING AIR DIAIPHRIAGI 1 FUEL DIAPHIU M BALL SERVO VALVE IOICH QD STAINLESS STEEL LINE lj E J PER CYLINDER _ FLOW VALVE THROTTLE VALVE II 1 I II DLE MIXTUR...

Страница 493: ...lUid can n sdy enter the air section of the injector throUfh the impact tubes or the nnuW groove uound the venturi For this reason a proterove plat should be installed on the scoop mounang flange hen...

Страница 494: ...ting the cable end to obtain the 062 of an inch spring back of the cockpit conrrollever when the throttle or mixture control arm conD c tS ip Stop d Reconnect the cable end to to control arm and secur...

Страница 495: ...ocedure Make additional adjustments as necessary Each time the adjustment is changed the engine should be run up to 2000 RPM to clear the engine before proceeding with the RPM check Make final adjustm...

Страница 496: ...e CAUTION Start noules and line couplings by hand to prevent the possibility of cross threading e Install engine cowling 7A 67 Ignition System 7A 68 Magneto CAUTION Ascertain that the primary circuits...

Страница 497: ...nch thick body should be checked with 118 inch drill Coupling with 974 Illch thick body ate checked With a No 18 dnll If drill fiu betWeen cam and flyweight the fit is 00 loose and coupling should be...

Страница 498: ...agneto by removing the four attaching screws d Remove the two nuts and washers securing the magneto to the engine acce ory housing e Pull the magneto from the engine 7A 71 Timing Procedure Internal Ti...

Страница 499: ...lower is on hl8 h poun of the cam lobe Measure contact dcU21lC C It must be 018 incn 006 With the point opening set at E gap 4 Q If breaker points do nOt come within tolerances they should be replaced...

Страница 500: ...the distributor gear with the white line of the dismbutor block Ascertain that the maIn breaker poiDa open at this POUlE md the pOinter indica tes 10 0 on the place or E gap in the breaker compartmen...

Страница 501: ...of No 1 cylinder Rotate the crankshaft in its normal direction of rotation until the 25 degrees mark on the back of the starter gear and the crankcase parting surface are aligned or the marks on the f...

Страница 502: ...i1 it is a pproximately 3S degrees BTC on compression sa oke So one cylinder NOTE The cnnkshaft should not be routed more than 10 degrees in direction opposite normal rocanan from the 2S degree BTC as...

Страница 503: ...ng light Ascertain that the inspection pilii arul breaker cover are installed and secure r Inru ll harness plate and secure with ws s Connect P leads and safety t Connect starting vibrator lead to the...

Страница 504: ...or distorted Inspect grommet for tears Check all mounting brackets and clamps to see that they are secure and not cracked b Using an ohmmeter bUller or other suitable low voltage device check each lea...

Страница 505: ...emoval Of Spark Plugs a Loosen the coupling nut on the harness lead and remove the terminal insulator from the park plug barrel well OTE When ithdrawing the ignition cable lead connectiGn from the plu...

Страница 506: ...carbon dioxide by a Conical metal funnel adaptCt with a bole at tile apex Just lazJ eno h to accommodarc he funnel of a C02 bonle Refer to Figure 7A 23 When a seized spark pi cannot be removed by nor...

Страница 507: ...if the wrench is cocked to one side when pressure is applied b Carefully insert the terminal insulator in the spark plug and tighten the coupling nut 7A 8J Lubrication System 7A 84 Oil Pressure Relie...

Страница 508: ...o 75 inch pounds d The suction screen is removed from the sump by remO ing the hex head plug at the 100 er aft part of the sump Clean and inspect the screen and gasket replace the gasket if owr compre...

Страница 509: ...n high oil consumption as the additives in some of these oils can retard the break in of the piston rings and cylinder walls 2 All new or newly overhauled turbocharged engines must be broken in and op...

Страница 510: ...A 81 for spark plug rap adjuscn nu Defective ignition wire Check Wlth electric reSter and replace any def ctiv wires Improper operation of Ch ck internal timing of napeto to breaker points mqneto Ch c...

Страница 511: ...rminal connectors Re tnction in exhaust system Improper ignition timing 2E9 Remedy Adjust throttle stop to obtain correct idle Adjust mixture Refer to engine manufacturer s handbook for prJper procedu...

Страница 512: ...replace engine mount Unbalanced propeller Remove propeller and ha e it checked for balance Bent propeller blades Check propeller for track Defecti e mounting Install ne mounting bushings Lead deposit...

Страница 513: ...ne breather or vacuum pump breather Cold weather Cold weather 2 Ell Remedy Check air iDlet and oudet defonnation or obsauctioll Fill oil sump 10 proper level Remove and c1eU1 oil ICrCCDS ElWI1inc sump...

Страница 514: ...CE MANUAL TABU VlIA IU TROUBLESHOOnNG CHAItT ENGINE CAJUIUJUTOR coat C Remedy Cold weather High or low pressure readins due to extremely cold weather are DOt neco S riIy m lfuncrion Small and 10111 oi...

Страница 515: ...fuel cocks Prime by boldiq boo pwnp switch 4 10 10 seconds Place conaal in ooidlc ut off Open throttle and wW aai engine by ruming over with surter Open thronic to 1 8 of its range Clean and adjUSt or...

Страница 516: ...ire ignition system MixtUre too rich indicar ed Injector may need recall by slugisb e e opet braDon by authOrIZed aaon red exhau st flame peTSOnDei at night Extreme cues indicated by blaclt smoke from...

Страница 517: ...e mounting bushings 2 E15 Rca If Tiptcn all conncctJoDS Replact defective parts Fill tank with fuel of commended grade Clean points Check intemal timing of m eros Check wire with electric rester Repla...

Страница 518: ...rouble column Rclief nlO OUt of Cheelt nlve adjustment Defective pressure c RepIKe c S oPP in seaven Check liae for obstructlon pump intakc P Clean suction saainCT Failias or failed bearinp Cbeelt sum...

Страница 519: ...tgnirion switdl 2E17 Remedy Fill WlK widl oil comorming to specification Check swnp for mew particles If found overhaul of engine is indicated InsWl new InsuI new rings Move aircraft intO a heated b H...

Страница 520: ...PIPER COMANCHE SERVICE MANUAL VIIA POWER PLANT 04 01 09 PA 24 250 260 2E18 THIS PAGE INTENTIONALLY BLANK...

Страница 521: ...PIPER COMANCHE SERVICE MANUAL 2E18A SECTION VIIB POWER PLANT PA 24 400...

Страница 522: ...PIPER COMANCHE SERVICE MANUAL 2E18B THIS PAGE INTENTIONALLY BLANK...

Страница 523: ...gine 2F5 7B 18 Engine Shock Mounts 2F5 7B 19 Induction System Air Filter 2F6 7B 20 Removal Of Air Filter 2F6 7B 21 Service Instructions 2F6 7B 22 Installation Of Air Filter 2F6 7B 23 Alternate Air Doo...

Страница 524: ...Assembly 2F19 7B 44 Inspection Of Harness 2F19 7B 45 Removal Of Harness 2F19 7B 46 Installation Of Harness 2F19 7B 47 Starting Vibrator 2F20 7K 48 Spark Plugs 2F21 7B 49 Removal Of Spark Plugs 2F21 7...

Страница 525: ...nsformer assembly mounted on each magneto and two low tension leads a starting vibrator and a combination ignition and starter switch In addition to the previously mentioned components each engine is...

Страница 526: ...PIPER COMANCHE SERVICE MANUAL VIIB POWER PLANT 04 01 09 PA 24 400 2E20 THIS PAGE INTENTIONALLY BLANK...

Страница 527: ...pantiftJ it at the hiDJe 7B 5 C1eaniDg Inspection And Repair Of Engine Cowl a Clean cowling with a suitable cleaning solvent and wipe dry with a clean cloth b Inspect eowlinJ for dents cracks loose ri...

Страница 528: ...e installation Remove the spinner I by removing the screws that secure it 10 the spinner bulkhead 7 b Place a drip pan undct the propeller 10 catch oil spilJage c Cut the safety wire around the propel...

Страница 529: ...s for wear and wny f Check blades 10 determine hemet they turn freely on the hub pivot rube This can be done by rocking the blades back and forth through the slight freedom a J Iowed by the pitch chan...

Страница 530: ...J bola 4 in the propeUer hub and secure propeUer to engine flange h Torque bola to specification given in Table VIlB I and safety 1 Check blade cradr pet puqraph 7B II J Install propeUer spinner and s...

Страница 531: ...RPM PropcUer RPM Setting EDpne Static HiCh RPM Enpne Static Low RPM Propeller Torque LimIts Description Spinner Bulkhead Propeller Mounting Bolts Spmner Atuchment Screws 2 Fl 14 36 2650 RPM Max 1550...

Страница 532: ...et If the go ernor is to be remo ed for a considerable length of time and another unit is not substituted it is ad i able to co er the mounting pad to prnent damage caused b foreign matter 78 14 Insta...

Страница 533: ...CH A 10 OIL COOLER LEI T It IIN I ATHER 12 ENGINE MOUNT U UP T MAGNETO 4 YACUU PUMP 15 P U L PUMP Hi RIGHT totAGNETO 7 TACHOMETER CABLE 1 P UEL PUIIGE VALVE Ie C IN HEAr DUCT 20 O ll IIIOIT 1I DUCT 21...

Страница 534: ...INTENTIONALLY LEFT BLANK 2F4...

Страница 535: ...against the base projection to lock e Pull the PROPELLER cockpit control aft to the low RPM position f Observe engine speed Set to 1550 rpm either by threading the fitting at the governor control arm...

Страница 536: ...and secure with clamp d Inaeai1 bottom cowl access plare and secure with f nen 7B 23 AltcnWC Air Door The alternate air door loaRd in the induction Iy em on the back side of he injector air box is to...

Страница 537: ...O the throttle shaft bushings 7B 27 Removal Of Fud InjectDr a RernO e the bottom cowling Refer 0 parqrapb 7B 4 b Remove air intaXe hose from filter box c Release the fastenen around the air box Uld re...

Страница 538: ...THROTTLE LEVER LINKAGE MANUAL MIXTURE CONTROL AND IDLE CUT OFF LEVER CONSTANT HE IDLE SPRINIGG FO RT f r N CONSTANT EI fLLL DLE MIXTURE ADJuSTMENT AIR I n _J 1 FUEL DIAPHRAGM 1 IMPACT TUBE BALL SERVO...

Страница 539: ...ance 011 the engine such as washing down the engine and ir scoop servicinJ tbe ir fUter surplus oil on the dement or wben injecting preservative into the engine prior to storing or shipplDll 78 19 Pre...

Страница 540: ...Adjust the linkage by rotating the cable end to obtain the 062 of an inch spring back of the cockpit control le er when the throttle or mixture control arm contacts its stop d Reconnect the cable end...

Страница 541: ...this linkage would cause erratic idling In all cases allowance hould be made lor the dlect of eather conditions and field altitude upon idling adju tment 78 1 1 Fuel Air Bleed allIes 78 14 Removal or...

Страница 542: ...magneto and inspect pam for moisture broken leads or other dunage b Swing leads out of outlets in disaibutor blook and remove wo screws cunng block in hou mg Lift the block from magneto c To properly...

Страница 543: ...t of any cam lobe If the cam has been disturbed or if it is not known that cam has been moved time magneto using the follow ing procedure OTE Magnetos of late manufacture have a brown strip of glyptal...

Страница 544: ...eposition cam on ro or and iDSUl1sceurinJ nut flush with end of rotor shaft Be no no ch on cam can 1 seen when looltiDJ in contu uocmbly end of magneto d Looscn drive baft nut and insuU the 11 8465 Ho...

Страница 545: ...d allow rotor to come to rest With rotor in this position align timing lin of the Timing Pointer with full r ster position amin mark R check timing pointer position by flicking Holding Tool POinter sh...

Страница 546: ...Timing Light or equivalent across main contact assembly Turn cam in direction of rotation slowly until timing light goes out contact points open While holding cam in this position tighten cam securing...

Страница 547: ...ming Mapeto to Entdnc Check each unit for proper magneto rotation before placUl eIther unit on the engme If the magneto is of the correct rounon rum magneto rotor shaft m direction of rotatlon unell t...

Страница 548: ...turn slowly in opposite direction until light goes out Secure the magneto in this position NOTE The magnetic force in the S 700 series magnetos tends to act in the direction in which the rotor is turn...

Страница 549: ...in ula ing sleeves or of one lead mbly can be accompliahed with the harness mbiy mounted on the engine HoweveT should repair require replacement of more than onc lead assembly or of a cable outlet Ia...

Страница 550: ...s firing of the magneto and the pOSSIbility of hazardous onditlons b Rotate engine crankshaft until number one cylinder 15 in its recud firing poslcan L sl11g the 11 a51 Timing light check 0 sec that...

Страница 551: ...lead and remove the terminal Jnsuator from the spark plug barrel well NOTE When withdraWing the ignition cable lead connection from the plug cue must be taken to pull the lead stn ight out and in lin...

Страница 552: ...bon dioxide by a Conical metal funnel adapter with a hole a t the apcx just large enough to accommodate the funnel of C02 boccie Refer to Figure 78 15 When ized puk plug eilUlot be removed by normil m...

Страница 553: ...rque 360 to 20 inch pounds CAUTION M i e ceruin the deep socket is properly seated on the spark pi hexqon damage to the plug could result ii the wrench is cocked to one side when pressure is applied b...

Страница 554: ...ug 7B 55 Oil Cooler a When conducting a routine engine inspection the oil cooler s lines and fittings should be checked for the following I Oil cooler line attachments should be examined to be certain...

Страница 555: ...sult in high oil consumption as the additives in some of these oils can retard the break in of the piston rings and cylinder walls 2 All new or newly overhauled turbocharged engines must be broken in...

Страница 556: ...s strainer or fuel cocks Prime by hold ing boost pump switch 4 to 10 seconds Place control in idle cut off Open throttle and unload engine by turning over with starter Open throttle to I 8 of its rang...

Страница 557: ...m Cbeck entire ignition system Mixture roo rich indicarecl Injector may need rec li by slugish e me oper bratioD by aumonled a tion red exhaust flame personnel It night Extreme aseo indicatecl by blac...

Страница 558: ...ounting busbinJls 2 G4 Jlemedy Tiahten fiftinp Tighten all collllCCtioas Replace clcfective pans Fill WIk with fuel of recoDWendecllflcle C1eaa points Check internal timing of tos Check wire with ele...

Страница 559: ...ief valve OUt of Check valve adjumncnt Def ctive pressure ps Replac gag StOppage in scavenge Ch ck line for obstruction pump intake puaage Clea a suction strainer FaiIiJII or failed bearings Ch ck sum...

Страница 560: ...nition swirch 2 G6 RaMdy Fill tank with oil confonnins 10 specification Check sump for mew pam cI If fOl1nd overhaul of CIIpe II indicated Iasull DCW IDRIlI new 1010 aircraft inro a h d hlllfU Heat oi...

Страница 561: ...PIPER COMANCHE SERVICE MANUAL 2G7 SECTION VIIC POWER PLANT PA 24 260 TURBOCHARGED...

Страница 562: ...PIPER COMANCHE SERVICE MANUAL 2G8 THIS PAGE INTENTIONALLY BLANK...

Страница 563: ...of Engine 2G17 7C 20 Installation of Engine 2G18 7C 20a Protection of Engine Mount 2G19 7C 21 Engine Shock Mounts 2G19 7C 22 Turbocharger 2G19 7C 22a Turbocharger Nomenclature 2G19 7C 23 Removal of Tu...

Страница 564: ...ion System Maintenance 2H11 7C49 Magneto 2H11 7C 50 Inspection of Magneto 2H11 7C 51 Removal of Magneto 2H13 7C 52 Timing Procedure Internal Timing 2H13 7C 53 Installation and Timing Procedure Timing...

Страница 565: ...p an integral part of the fuel injector system Two Rajay part number Rj008 102 turbochargers are attached to the engme Manu waste pte canacl of the rurbochUJeT provldes the pilot with complete freedom...

Страница 566: ...to the pow plant arc listed in Table VllC ll in die back of thi section along with their probable causes and suaested remedies When rroubleshou I ngines ground the magn to primary circuit before perfo...

Страница 567: ...dw the master swi ch is OFF the m neto swi ches are OFF gtounded and m mixture conaol is in th lDLE Ct rr FF position 7C 9 R moval Of PropeUer Rd r to Figu 7C 1 Ascertain that master switch and magne...

Страница 568: ...dom allowed by the pitch change mechanism If they appear tight and are properly lubricated the propeller should be disassembled by an authorized Service Center g Inspect blades for damage or cracks Ni...

Страница 569: ...eller on engine Screw each stud 7 into its mating flange bushing a few threads at a time until all are tight Torque bolts to specifications given in Table VIIC I Safety the mounting bolts with MS20995...

Страница 570: ...ed more dI 0625 inch c Propellers haviac excess blade track 1 be removed and inspected for ben blades or for pans of shared 0 ring or fore particles which ha lodp between bub IIId crankshaft mounting...

Страница 571: ...nterclockwise roation to increase cng1 lC speed One revalueon of the fine adjuStment screw Increases or d cr s the prop ller sp d approximat ly 15 RPM d After sen Ul the governor for high RPM run the...

Страница 572: ...Propeller RPM SmiDJ E e Stant Hip RPM EDgine Static Low RPM PropeUer Torque Limits Description Spinner Bulkhead Propeller MountiDJ SNds Spinner Attachment Sc rCW1 2 G16 13 3 0 0 It to l 700 RPM Max 16...

Страница 573: ...e lead from the engine accessory housing k Disconnect vacuum bose It vacuum pump l Disconnect oil cooler outlet hose at engine accessory housing and inlet hose ilt oil cooler m Disconnect engine breat...

Страница 574: ...cable to rtarter Del clamp cable to left cylineler baffks Del eJIIinc moun J Aaach a1_ leoda to ai_tor Del clamp diem to ht cylincler baffles aacI qinc mount b CODDOer JOvcrDOf coDaol cable to JOftrl...

Страница 575: ...osition and shock mount with P J 3049 35 in the boltom rear position Torque shock mount bolts to 450 to 500 in Ib with torque wrench applied to bolt heads and safe 7C 22 Turbocharger 7C A Turbocharger...

Страница 576: ...the high manifold pressure lasts only for a few seconds This conditio n usually be overcome by smooth throttle advance A good metho advancing the throttle is a follows After allowing the engine oil t...

Страница 577: ...ll top mount on turbocbarJer aDd secure with cap screws Ad safety wire d Install blank on turbine ho and secure with safety wire e IDStaI I t1UbocJwser assembly OD e ne inxrt wuben betweeD top mouDt a...

Страница 578: ...AlII ILTIII 101 II C HIAT DUCT II IINAUIT WU LEIt 14 cO OIt INLIT DUCT tao IIHAUIT ITACII Ie TUII M NLIT DUCT 17 TUIII M LANUT I WAITI TI I UHAUIT lAS TE I lTU 1 PItOn 10 TUIitIO 011 MLIT LUll II EXH...

Страница 579: ...RVICE MANUAL loueTlol 10 1 fll In All II fUH lllEIO lUlU l 1T Tun I UTU I _ _ un PUI nl 7 ICII 7 _ I L IST ____ FIGURE lC S SCHEMATIC DIAGRAM OF TURBOCHARGER SYSTEM 2G23 lI61lD IIH lUII Cl OI FLO _OlI...

Страница 580: ...Turbochargers A Remove bottom engine cowl B Adjust waste gate control cable rods so both waste gates close at the same time and swaged area is recessed into cable attachment clamp C Start engine with...

Страница 581: ...pling 7C 28 Cleaning and Inspection of Pressure Relief Valve A Clean valve and seat areas with solvent or air B Inspect valve action by pushing on pressure side to determine that bellows or spring are...

Страница 582: ...PIPER COMANCHE SERVICE MANUAL VIIC POWER PLANT 04 01 09 PA 24 260 TURBO 2G26 THIS PAGE INTENTIONALLY BLANK...

Страница 583: ...r securely c Close air box door and secure d Close cowl ad fasten 7C 34 Altanate Air Door The alternate air door located in the induction system on the front side of the air pienum between the W meer...

Страница 584: ...med before removing the instrument a Remove pr from exhaust stack alld check for broken weld at tip end or burnt end Measured resistaDCe f probe should be 8 ohms b Disconnect lead wires at illstrument...

Страница 585: ...A CHOOSE A SUFFICIENT NUMBER OF ALTERNATE LARGE AND SMALL SPACERS TO LOCATE 1 IP OF PROBE WHEN ASSEMBLED NEAR CENTER OF EXHAUST STACK Figure 7C 5b Indicator Probe Installation Revised 8115 98 2H3 SEE...

Страница 586: ...t been previously drilled locate tbe required hole as follows a Locate tbe Number 6 cylinder exhaust stack b Measure to a point on tbe exhaust stack 3 inches from tbe engine exhaust PO Refer to Fig 7C...

Страница 587: ...This condition however docs not occur during normal operation of he i tor where fresh fuel is being constantly circulated 7C 37 Lubrication Of Fuel Injector a There is very little need for lubricatio...

Страница 588: ...tainer wrap the conWner with moisture and vapor proof material and seal Pack the wrapped unit in suitable shipping case Pack a one half pound blJ of silica gel erysta1s in the dustproof container with...

Страница 589: ...ID E CUT OFF EVER THROTT E EVER INKAGE THROTT E VA VE IDL _ CONSTANT FFFOR i VE ITURI i IDlE MIXTURE S RING ADJUSTMENT AIR DIIIA HR G II F E D A R AGI I IMPACT TUBE U l I _ BALL SERVO VAl VE A Figure...

Страница 590: ...ols arc adjusted when he hrottle arm on he injector is rota ed forward against iu full dlrottle stop and die mixNre arm is rotated forward a unlt its full rich stop their respective cockpit conaol sho...

Страница 591: ...tOO lean c If the above LDdica res thar the idle adjusanent is tOO rich or roo lean tum the idle mixture adjusancnt in the direction rcqulJ ed for correction and check mis n w position by repel ring t...

Страница 592: ...Do not us ire or other hard objects to clean orifice b In peel the o017le and cylinder threads for nicks tripping or cross threading and banered or rounded hexagons c In rect and replace nozzle O rin...

Страница 593: ...and fomp matter on the rubber grommet and h h tension outlet side of distributor block Check heiBht of block contact prinp 0 H2 nax from tOP of block tower to spri l Abo check for broken leads or dama...

Страница 594: ...lntins brack for crackJ or looscness Using the Scintilla 11 1767 1 2 or 3 Condenser Tenor or eqlliYalcnt beck capaator for capaatantc scri rcsi5tantc and leaUge _ Capacitance sh i l be at IC2St 0 30 m...

Страница 595: ...assembly rests on highest point of cam lobe Adjust main contact assembly to obtain the c 1e a raDce of 0 016 inch Tighten maUl contact assembly secunng SCteWS ro 2 25 iDch pollnds 4 Install the 11 86...

Страница 596: ...m the housing the internal timing may be checked by turning the map tO iD the DOnna rotation to Dumber on firing position k yway up and main points jUst op ning At this position the reference line on...

Страница 597: ...on gear If backlash is not evident replace large distributor gear 5 Install the breaker cover and complete reassembly of the magneto Refer to manufacturer s publications for complete disassembly and...

Страница 598: ...terminal connected to the ground terminal of the magneto Then turn the engine crankshaft several degrees from the advance timing mark in direction opposite to that of normal rotation e Turn on the sw...

Страница 599: ...to prevent ensine tumiDB Hold No one pi head 5 16 inch from ground enorsi vibrator by turniDB switch to start PI lead sbould throw a 5 16 inch spark Observe spark at pi spark cap If spark is w or miss...

Страница 600: ...lit oa the bam lead and remove the terminal insulator from the sparl plug barrel well NOTE When withcinwing the ignition cable lead connection from the plug cate must be talc en to pu l l the lead str...

Страница 601: ...n dioxide by a Conical metal funnel adapter with a nole at the apex JUSt large enough to accommodate the funnel of a C02 bottle Refer to FIgUre 7C 16 When a seized spark plug cannot be removed by norm...

Страница 602: ...pcrly teated on the sparl plug hexqon as damqe to the plug could result if the wrencb is cocked to one S1dc wben pressure is applied b Carefully insert the terminal insulator in the sparl plug and ti...

Страница 603: ...replaced at both the atw binl bol head and the thermoscaoc oil cooler by pus valve 7C 67 Turbo OU Flow Check Refer o Ficure 7C 17 Should an indication of low turbo oil pressure or flow occur the foUo...

Страница 604: ...2 715 PIPER COMANCHE SERVICE MANUAL TUT U l Oil IUSUI mc IVIIIDDST Plmlll Illilf nm FIGURE 7C 17 TURBO OIL FLOW CHECK 2U22 j IIDDCliD rFllTEI t POWER PLANT_ ISSUED 8118n...

Страница 605: ...fins and cells When replacing the cooler properly align and do not over tighten the mounting bolts so that the cooler would be damaged While the oil cooler is removed the oil lines should be disconne...

Страница 606: ...in high oil consumption as the additives in some of these oils can retard the break in of the piston rings and cylinder walls 2 All new or newly overhauled turbocharged engines must be broken in and o...

Страница 607: ...ystem for lcab 0 Fill fuel tanks Clean dirty lilies screens or fuel valves Drlin Wlret from fuel system Increase prime Open throttle IUld engage suner CIeIUl fuel mainc n IUld screens Check fuel pump...

Страница 608: ...gap Pari plug pp setting Clogged injectOr nozzle Rem e and clean p pI 7C 46 Dirty air fIItet Cbeck aad clean I fficicnt fuel Clean fuel Strainet and pressUft check fuel pump 1ixture too rich in Check...

Страница 609: ...out of adjusunent Resulceons in inlet air scoop and filter Faulry ignition Turbocharger conuol out or adjustment 213 Rea dy Check illtema1 timiDg of magneto Check wire with electric tester Repw e de f...

Страница 610: ...plur plug Malfunctioning eDline Cbeck eDm eDline Insufficient oil Fill oil sump to proper level DirTy oil screen or Remove sad dean oil filter screen Replace filter Relief valve out of Adjust valve sd...

Страница 611: ...ecti tcD pcr leuR puge ExcCSlive blow by Low grade of oil Improper engine open non 215 B emedy Check air iDlet and oudet defotm tion or obsauc tion Fill oil swnp to proper loYd Remove nd dnn oil scree...

Страница 612: ...lcakiJlB pskca 0It rinp or sand boles Failurc of rinp to sca U miDcra1 bue oil New niaidcd Climb to cruiJc lti cylilldcrs Ndc at full powcr aDd opera at 7 cruise power setting until oil consumption st...

Страница 613: ...Ste pte control Out of fu 1 Partial fuel v por lock at hieh altitude due to hot fuel and bigh power oenings MalfunctionIng fuel pressure regulating valve or fuel pump Ruptured fuel line or leaking fit...

Страница 614: ...power or open hot woo cowl flaps eneked or loose cyl Repair or replace as inder cooling W required baffles Owing climb Reduce power or open cowl flaps or increase lndicat d Air Speed Over boost or RP...

Страница 615: ...ced 2 to 4 mpb for 10 F rise in remperature bo e staadard day This is beause Turbo chugcn like turbines arc heat sensitive IS to per formaacc Repair Cllline as quired Inspect airfr me and repair IS ne...

Страница 616: ...exhaust pipes POWER PLANT ISSUED 8 18nZ TurI ocIwJer drain line misrouted or plugecl D ecI bcsrinp RotatillJ unit rubbing bousiDJ as r lt of damaJcd beari distorted housillJs dirt Kcumulation on impe...

Страница 617: ...2 111 INTENTIONALLY LEFT BLANK...

Страница 618: ...PIPER COMANCHE SERVICE MANUAL VIIC POWER PLANT 04 01 09 PA 24 260 TURBO 2I12 THIS PAGE INTENTIONALLY BLANK...

Страница 619: ...PIPER COMANCHE SERVICE MANUAL 2I12A SECTION VIII FUEL SYSTEM...

Страница 620: ...PIPER COMANCHE SERVICE MANUAL 2I12B THIS PAGE INTENTIONALLY BLANK...

Страница 621: ...Servicing Five Position Fuel Valve PA 24 250 PA 24 260 2J4A 8 16 Servicing Fuel Valve Airborne Mechanisms PA 24 400 2J4B 8 16a Fuel Valve Internal Leak Inspection 2J5 8 17 Installation of Fuel Selecto...

Страница 622: ...ph Grid No 8 30 Electric Fuel Pump Dukes PA 24 250 and PA 24 260 with Fuel Injected Engines 2J13 8 31 Removal and Installation of Electric Fuel Pump 2J13 8 32 Engine Primer System Carburetor Induction...

Страница 623: ...InstrUctions When necessary for any reason to remove the fuel cell from the Clv1ry or to collapse it within the wing it 15 suggested that the fuel ceil be mined then flushed sprayed or rubbed with a l...

Страница 624: ...e T I ATI ecLL UTI_lit I e LT 7 It TI I II e L L I 1M_IT CPo CILlo I CII L C_PU II Ace 1 II c II LLU It TUI 10011 yltl TURN HANDLA a OCKWISIt TO TIGHTEN CAP _CT IT ypT TUI II faiT DltA 1t _01 zo IPLAa...

Страница 625: ..._ IDfUll em _ fUll STUilII fUll IIWIII kt r IUCIIIC fUll PIlIP lUCID fUll PIlIP IUII1 S Z I II It UII _ l1II VIlli llnull INlDTTU FIGURE 8 2 FUEL SYSTEM SCHEMATIC PA 24 180 WlUllTDi _IIItIZllII Sf lIl...

Страница 626: ...NT mIT IUD SEUrnI SCRU IlBOlRD FUEL cm fUEl STWO urnlc FUEl PUlPS FUEL PIESSIIIE __ PUlP lIIlURE WENT WBUIETOR J FIGURE 3 FUEL SYSTEM SCHEMATIC PA 24 250 Serial Hos 24 105 to 24 2298 2116 FUEl SElmER...

Страница 627: ...1m 1 fUEL FlOW SAGE FUEL INJECTION SYSTEM r Ls E U CTI E fUE l PUlPS II I L tF I L _______ J I CHECK Vall fUEl PRESSURE I EGIIII fUEl I PUlP PRIlER PUMP I IfT MIXTURE I IfT fUEl MOIllES FIGURE 11 4 F...

Страница 628: ...1I l au PIPER COMANCHE SERVICE MANUAL UlClII 1111 fUll lUll IIIE tilT I1IL EILfS 1111l1li CIEII IL f _fUll _ TIIIOTTLf R FIGURE FUEl SYSTEM SCHEMATIC PA 24 260 TURBO 2118 lUI lUlL cm FUEl SYSTEM ISSUE...

Страница 629: ...2 119 INTENTIONALLY LEFT BLANK...

Страница 630: ...RIll au PIPER COMANCHE SERVICE MANUAL lellII h IIDWl n flaW I IIT 101 IIY I JO fUll SWIlao VE l onll HIlL smCTU Am FIGURE 11 6 FUEL SYSTEM SCHEMATIC PA 24 400 2120 1lU1WID FUll tIU FUEL SYSTEM ISSUED...

Страница 631: ...nd St ag When synthetic rubber fuel cells are placed in service the gasoUne has a tendency to utract the plasticizer from the itu er liaer of the fuel cell This extraction of plasticizer is not detrim...

Страница 632: ...e Do oot re tiabten unless the hose clamp i loosened completely aad allowed to set for 15 lIIinlllel before re tiabteninl e Do oct use seaUna p_e or assket cODlpouad f Apply a tbio film oi Simoaize Wu...

Страница 633: ...o be checked Refer to Draining Fuel Cells Section II 2 Level the airplane longitudinally and laterally Refer to Leveling Section II 3 Connect a 14 volt power supply to the airplane electrical system a...

Страница 634: ...ell senders which should indicate 14 6 to 16 3 ohms resistance If incorrect resistance or fluctuation is found the sender should be replaced c Wiring Check 1 Check all ground connections throughout th...

Страница 635: ...11 Repair of Fuel Cell CAUTION No repairs are to be made on the radius of a cell or in the fitting area of a cell Cells with such damage are to be returned to the factory for repairs No damaged areas...

Страница 636: ...IS minute 6 Freshen cemenled area of patch ad cemented of ceU ith Metbyl Ethyl Ketone soluticxl U S Rubber Co 3339 7 While still tseky pply edge of p tch to ed of cemellted are celllerillg palch over...

Страница 637: ...sher 3 Check the condition of plug cock 10 and valve body 11 for scored surfaces The surfaces if not badly scored may be conditioned by lapping with a fine grinding compound Clean away all compound af...

Страница 638: ...ition Fuel Selector Valve PA 24 180 AND PA 24 250 C474 1 o 2 0 3 4 5 6 7 8 9 10 11 PIN 11383 000 002 003 004 1 VALVE CAP 2 CRUSH WASHER 3 O RING 4 WASHER 5 SPRING 6 BRASS WASHER 1 3 3 4 5 1 8 9 1 10 1...

Страница 639: ...alve 4 With a 10X magnifying glass inspect the valve plug for cracks If cracks are visible replace valve 5 Clean valve of all foreign material lubricate plug sparingly with Dow Corning Molykote No FS...

Страница 640: ...WHOLE UNIT The fuel valve Figure 8 13 for the PA 24 400 is a combination fuel strainer and selector valve Servicing the fuel strainer is described in Paragraph 8 22 If fuel is suspected of leaking thr...

Страница 641: ...e repeat step C above e If repeated collected fuel exceeds one half 1 2 fluid ounce an excessive internal leaking fuel selector is indicated Clean the fuel selector valve in accordance with paragraph...

Страница 642: ...e replaced Check the quick drain if it has been leaking the O ring should be replaced d Reinstall the screen a new gasket bowl and secure the bail Tighten bail nut hand tight and then tighten one nut...

Страница 643: ...nstall filter disc assembly with spring and retainer washer strainer bowl drain hose and fuselage access panel 8 23 Fuel Strainer Bendix Plunger Pump PA 24 180 PA 24 250 PA 24 260 with carburetor indu...

Страница 644: ...8 22 b Disassemble the piunger spring cup 8 by removin the three screws 3 securing the cup Gently touch the pla tic cup valve 5 with your finger If it is free do not remove the valve spring Do not app...

Страница 645: ...O I UII FIGl RE 8 15 BENDIX PLUNGER FUn PUMP EARLV CAUTIO Do not tamper with seal at center of mounting bracket at side of pump as it retains the dry gas which surrounds the electric system in the upp...

Страница 646: ...cement pumps driven by 12 volt DC moto Each model has I built in pressure relief valve which functions to bypua fuel via Internal Pas5afn to the inlet port The motor dnves the pump through a rubber co...

Страница 647: ...cmbly on I surfa c usc I 15 16 diameter f1ar fa d bras drift in an bor press ro p the shafr seal 12 hom in h hOUJing uacmbly 3 d PI the i lJCttlon rool Figure 8 7 over th end of therotor assemblv 5 Us...

Страница 648: ...ting from low hru high rpm and the electric pump off c The electric fuel pump pressure may be checked with he engine shu down and he deemc pump on d A pressure reading for engine driven and electric p...

Страница 649: ...tem a Tum fuel selector valve to the OFF position b Remove the fuel lines from the pump ana aisconnect tto ectrical leacls c Loosen the clamp which secures the fuel pump to the aircraft NOn 00 not att...

Страница 650: ...PIPER COMANCHE SERVICE MANUAL TABLE vlD n 25 I f 1 1 5 r 1 o 10 20 30 40 50 eo 70 80 90 100 FlOW G PH FlOW veRSUS PRESSURE AT 14 V D C 2J14 FUEL SYSTEM ADDED 9 10179...

Страница 651: ...of the pump disconnect the supply liDe within the engine compartment where the line divides to go to the left d ript cylinders Operate the pump sufficient fuel should flow to supply all jets and is d...

Страница 652: ...ection System There are two locations along the fuel flow gauge pressure line which have a damper installed One i between the fire wall and the gauge while the other is between the flow divider and th...

Страница 653: ...o fuel presswe indication Fuel valve sruck Check valve No fuel in tanks Check fuel fill Defective fuel pump Check pump for press build up Check diaphragm and relief valves in engine pump Check for obs...

Страница 654: ...ll l1li UI UI Ill 1 SfAlf liTE 1M _ I m 2 11121 1 14 HUII 1I 1111 1 12 w A L IiUU UII T I I IITlIIIL LIST hl1 m 4 I _ lUllWoaa h4 4211 n 1IUIt _ l1li 080 2 121I1UlS l I11 II2 Tlllll HII2I 24 1_ scmr _...

Страница 655: ...PWERCOMANCHESER CEMANUAL THIS PAGE INTENTIONALLY BLANK Revised 8115198 FUEL SYSTEM 2J19...

Страница 656: ...PIPER COMANCHE SERVICE MANUAL VIII FUEL SYSTEM 04 01 09 2J20 GRIDS 2J20 THRU 3A4 INTENTIONALLY BLANK...

Страница 657: ...PIPER SENECA SERVICE MANUAL 3A5 SECTION IX ELECTRICAL SYSTEM...

Страница 658: ...PIPER SENECA SERVICE MANUAL 3A6 THIS PAGE INTENTIONALLY BLANK...

Страница 659: ...3A19 9 18 Armature Service 3A19 9 19 Polarizing Generator 3A20 9 20 Generator Service Test Specifications 3A20 9 21 Regulators 3A21 9 22 Cutout Relay 3A21 9 23 Voltage Regulator 3A21 9 24 Current Regu...

Страница 660: ...elco Remy 3B17 9 59 Checking Regulator Circuit 3B17 9 60 Relay Delco Remy 3B19 9 61 Checking Relay 3B19 9 61a Alternator And Alternator Components Prestollte 3B20 9 61b Description Of Alternator 3B20...

Страница 661: ...79 Removal 3C16 9 80 Disassembly 3C16 9 81 Brushes 3C16 9 82 Armature 3C16 9 83 Field Coils 3C17 9 84 Brush Holders 3C17 9 85 Gear and Pinion Housing 3C17 9 86 Bendix Drive 3C17 9 87 Assembly 3C17 9...

Страница 662: ...il Navigation Light 3C24 9 106 Installation of Tail Navigation Light 3C24 9 107 Removal of Lamp in Anti Collision Wing Tip Strobe Light 3C24 9 108 Installation of Lamp in Anti Collision Wing Tip Strob...

Страница 663: ...consists of a radio noise filter and a 90 ampere magnet circuit breaker ganged to the 5 ampere circuit breaker in the field circuit The generator or alternator is located on the front lower right sid...

Страница 664: ...PIPER SENECA SERVICE MANUAL IX ELECTRICAL SYSTEM 04 01 09 3A12 THIS PAGE INTENTIONALLY BLANK...

Страница 665: ...ERVICE MANUAL SIUTll SIUTlI SOll IOt II 1 I IIlTll HWLlIDI p III RJI l1li Y 1 nTp _ IIISTEI SOlIIIOID i TOSTUTlI swnCH limn tDWT1II Figure 9 1 Generator and Starter Wiring System 3A13 I ELECTRICAL SYS...

Страница 666: ...the regulator is at fault and it should be checked for a high voltage setting or grounds c Low Battery and High Charging Rate This is normal generator regulator action Regulator settings may be checke...

Страница 667: ...nections can be inspected If the commutator is dirty it may be cleaned with a strip of o 00 sandpaper I ever use emery cloth to clean the commutator c The sandpaper may be used by holding it against t...

Страница 668: ...Generator Output The maximum output of shunt generators is determined by the cur rent setting of the current regulator with which the shunt generator is used Checking of this setting is discussed in t...

Страница 669: ...an opea circuit with a test lamp The lamp should light wben one test point is placed on tbe lielel terminal or fOuneled field lead and the other is placed on tbe brush holder to which the lielel is co...

Страница 670: ...d circuit would prevent normal regulation so that excessive output might be produced by the generator On this type of unit an internally grounded field which would cause excess e output rna be located...

Страница 671: ...ned in para ph 9 10 b Grounded field coils may sOIDetimes be repaired by removiJll them so they can be reinsu leted Care must be used to avoid excessive buIltin hen applying new insulation Jiince this...

Страница 672: ...atallaci or t any time aftar a pllerator hu beeR te tacl it lIIut be repolarized to b s re tIIat it hu the correct polarity with peet to the battary it is to ch e Failure to c Iarize the erator lIIay...

Страница 673: ...dd to the _anelil holdiAl the t_ dawn and the contact poiAts closed c Wh a the aerator 110 dawD or ItOpa arreDt baaiD to flow fr the bettery to the eneratOl d This reverse flow of current through the...

Страница 674: ...orm tIIre has a c oatoct poillt which il juet bel a Itatioaary coateet poillt Whoa the curreat reculator i oct operetillc the tooaioa of a spiral sprillC holds tbe armllture aw y from tho cor so that...

Страница 675: ...lators Marry Aircraft regulators have this resistor omitted 9 26 Temperatur COfIIpenlation Voltaa e regulators are compensated for temperature by means of a blmetal thermostauc biaae on the armature T...

Страница 676: ...bumia af the relay contact points 9 30 Cleaning Contact Point The contllet points of re lator wiU not oper te indefinitely ith t SOllIe attetiOll It bas been fOllDd that t majority of U elulator troub...

Страница 677: ...ellery terminal and rouDd as shoWD in Figure 7 after dilcD lllectinl the battery lead frem the bettery terminal of the reculator The re sistance must be 1 aha for 12 volt UIIitl It IIlUit be capable o...

Страница 678: ...iDl of the UDit should always be made by increaaiD sprial teusioa Dever by re duclDI it U settinl is too hiah adjust wtit below required value aod lbeD raioe to euct SltliDl by inc iDg lb Sprinl tenli...

Страница 679: ...8 l0 amperes are flowing Cycle eneratar after eacb adjustment before readine voltage regulator setting with cover in place 9 34 C tout Relay The cutout relay requires three checks and adjustments air...

Страница 680: ...g temperatW e com pensatiOll should b checked by tbe follo iDa method Load IIethod Connect ammeter into charging circuit as in Figure 9 13 b Turn all accessory load lillhts radio etc aad connect an ad...

Страница 681: ...After installina a new Sprinl readjust the unit etting as already described 9 38 Ro io By Po C d n a The installation of radio by pass condensers on the field terminal of the regulator or gen erator w...

Страница 682: ...nd oil vapors Vhich might damale the regulator i The h lper testing equipment in the hands of a qualified mechanic is necessary to as sure proper and accurate regulator sattinp Any attempt on the part...

Страница 683: ...system Refer to Figure 9 15 a Ascenain that the ammeter is operating properly b Disconnect the battery and field leads at the alternator c Ascenain that all electrical units are off and the battery is...

Страница 684: ...OID PIPER COMANCHE SERVICE MANUAL I I Slum I IlmO I EmwnJ 10 Ilum IwnCil J l1li c P I i IITm I or Figure 9 15 Alternator and Staner Wiring System 3B8 mTlClIIIIILATDI 1 1 I I I i I l I I I iu I c f_ EL...

Страница 685: ...ghtness and the belt lor alillllment proper tension and wear Belt tension should be adjusted in accordance with enpae manufacturer S recommendations When tighteniDI belt tnaion apply pressute against...

Страница 686: ...ded FiCUre 17 To check for opens connect the test lamp or olunmeter to each slip ring If the lamp falls to light or if the ohmmeter reading is high infinite the winding is open Figure 17 The winding i...

Страница 687: ...in the stator windings is difficult to locate without laboratory test equip ment due to the low resistance of the windials However if aU other electrical checks are normal and the generator fails to s...

Страница 688: ...IHG D100ES Test I amp Method An alte ate method of cbeckina the diodes i to use a test lamp of not more hOD 12 volts in place of the ohm eter CAUTIOH Do not use 110 volt test lampi to check diode With...

Страница 689: ...its over the outer race It is recommended that a new retainer plate be installed if the felt seal in the retainer plate is hardened or excessively worn The bearing in the slip ring end frame should be...

Страница 690: ...DuriAa bly note carefully the proper stack up of parts sbown in FilUre 9 22 9 55 R ly R bly ia the reverse of di bly Remember when assembling the pulley to secu tile rotor iA a vi only tipt noup to pe...

Страница 691: ...n connections to the altemator is available rom tool companies Ind test equip ment manufacturers normally S Jp plying equi ment to the aviation trade CAUTION Do not polarize altemator 9 5 Alt rnator S...

Страница 692: ...r from lead 10 frame Very 0 lFig 9 19 110 011 test lamp from lead to frame Lamp lights Ohmmeter across each PBIl of Ipads Any reading very high 110 011 test light across each pair of Iuds Fails to hgh...

Страница 693: ...ons eKist tbe ne regulato ill fail too Futh ore repeated replae ment of wators will aaly result in repeated regulator failwes ed this will continue until the circuit defect is corrected To check the w...

Страница 694: ...zero the NEG and FLO leads are reversed Circ ut trace iU be burned open bet een paints A A 80S or C C Ficure 9 26 d If meter reads zero yoltap dilcoanect lead at Iltemator UFl field terminal and conn...

Страница 695: ...onnections refer to the aircraft wiring diagram With the relay remo ed from the alrcrafl an electrical check can be made on a test bench to determine ir the relay is operating properl REU Y VARIABLE R...

Страница 696: ...ted at 150 peak inverse voltage PlY minimum for transient voltage protection Three positive rectifiers are mounted in the rectifier mounting plate while the three negative rectifiers are mounted in th...

Страница 697: ...he circuit is operational 2 The check of the F2 circuit should gi e a reading of approximately 12 olts or the test lamp should glow normally for an operational circuit I Both the main and auxiliar fie...

Страница 698: ...1 J l A c toc loI r u CIKUlt c u 01 tI H OI nUl IIIIAT_ llIUlIOe r f I i Jr1 fYY 1 1 f r R I It I r i J I 1 oJ r l i L Figure 9 27b Alternator and Staner Wiring System Schematic Prestolite ELECTRICAL...

Страница 699: ...b Remove the safety wire from the through bolts Hold the pulley with a strap wrench and remove the pulley nul The pulley must be removed with a puller Remove thefan woodruff key and spacer from the s...

Страница 700: ...ence a Rotor The rotor sbawd be tested for grounded or shorted indines The 1I 0Wld test can be made with teat probes COMected in enes with aUG volt te t lamp an oh ter or any type of continuity tester...

Страница 701: ...ood In otber words insulate the stator from the end heac To test for pounded windinls touch one test bulb or oh eter prabe to the talor 0 If tbe test bulb lights or the ohmmeter indicales can tinu ity...

Страница 702: ...Reconnect the stator leads to the rectifiers When soldenag these coanections use pllers a a heat dam on he lead between the solder jOint and the recti fier Too much heat will damale the rectifiers c R...

Страница 703: ...bly and rataiNftI screws Spin tbe rOtor and check for interference be the brush holder and rotor Check aCtoos the field tennina with an ohm meter The ohmmeter must indicate the amount of rotor resista...

Страница 704: ...y should be checked with a voltmeter before connecting the batten Mo t aircraft are negative ground f If a booster battery or fast charger is used its polarity must be connected correct to pre ent dam...

Страница 705: ...aa a bose tYlJ COMeo ion for air pressure ventilation Remove this COYer when bench tatina the alternator 9 611 Alt rnator SeNice T t Specificatiofts Prestolite specifications for the 12 volt aiter nat...

Страница 706: ...from the ignitl0n tenlUnal throulh the field inding throuCb the collector eautter of T3 to ground d With the ignition switch on current will flow rom the II terminal regulator ground through a voltage...

Страница 707: ...to be used for Circuit testing the battery need not be discon nected provided cautlon 15 used wnen connecung or discoMectinll the voltmeter c Wnen u1Stalling a battery In an aircraft be sure that the...

Страница 708: ...tablish 10 to 15 ampent electrical load or use a carbon pile across the battery to obtain this charge rate e After one minute operatilll time cbeck the reaulator operating voltage as indicatee by the...

Страница 709: ...cuit malfunction b The overvoltage control consists of a mechanical relay and a solid state trillering de vice The solid state trillennl device acuvates the mechanical relay hen the voltage reac 1es a...

Страница 710: ...it in a defecti e cranking system the following checks should be made a Determine the condition of the bal ery b Inspect the wiring for frayed insulation or other damage Replace any wiring that is dam...

Страница 711: ...it with a test lamp 2 Open armature coils Inspect the commutator for badly burned bars after disassembly J Broken brush springs worn brushes bigh insulation between the commutator bars or other causes...

Страница 712: ...rew or pin can be NOTE Some Folo Thru Drives use a rubber cushion in place of a drive spring To remove from shaft screw pinion out to drive position then force pin from shaft through screw sleeve hole...

Страница 713: ...the field coil are open If the fie Id coil need to be removed for repair or placement a pole shoe spreader and pole sboe screwdnver sbould be used Care s l d be ezercised in replaCing the field coils...

Страница 714: ...rive Assembly Refer to FiIU 9 29 9 76 Operation_ When the starting Circuit is energized b J current is applied to the startwg motor terminal Current nows through the Hell coils creating a strong magne...

Страница 715: ...s fully charged and filled to the proper level witls approved water A load t st should be made to detennine battery con dition If dirt and corrosion have accumulated 011 the battery it sbould be clean...

Страница 716: ...ss and the correct bearing arbor DO NOT HA dMER OUT Each part should be cleaned and inspected for excessiye wear or damage Bearings should be checked for proper clearance and evidence o roughness or g...

Страница 717: ...d brush holders are touched and should not light hen the insulated brush holders are touched 9 85 Gear Ana Pinion H ling 1a spect housings for cracks and bearings for excessive wear Remove ruSt paint...

Страница 718: ...ilI mesh properly with the flywheel ring gear See spec ifieations for wut fex correct dimensions Refer to paralraph 9 90 9 88 aench T t _ a After the starting motor is reassembled it sbould be tested...

Страница 719: ...anual itch ia released it sh ld be removed and tested to specifications If eitber opening or closing voltaps are not specified replace tile solenOid 9 90 Storti Motar Service T st Specifications Prelt...

Страница 720: ...direction Observe the torque shown on the wrench at the instant the pulley slips b Check the torq e ndieated n step 2 with torque specified n the following chart Width f T Indicated at B I Co c1ition...

Страница 721: ...a cIwJinI rate of four amperes and flnishin with twO amperes l 94 Hydro ter RNdin And lottery Charg P nt Hydr_ R dlngs P rcent f Charg 1280 100 1250 75 1220 50 1190 2S 1160 Very linle eful capacity 1...

Страница 722: ...t the battery cables NOTE Always remove the around cable rlnt and insull last to prevent a cc idcntal shon circuiting or arcing d Lift the blrterv from the bo c The barterv may be installed in reverse...

Страница 723: ...e batten box or with the box removed drain off am electrol te that rna have overflowed Into the box b Clean the box and battery CorroSion effect may be neutralized by appl inga olution of baking soda...

Страница 724: ...the elecmcallcad from the base of the light assembly and disconnect the remaining elecmeal lead at the connector 9 106 Innallation Of Tail Naviption ishL Inst 1I bulb nd lens in light usembly b Place...

Страница 725: ...old off the so vola D C appued until the flasb tube is aigered by an ternal pulR This pulse is ed by saud na e timi circuit in the power pply When troubleshoorinl the mobe liJh system it mus tint b ci...

Страница 726: ...ck for continuity from pins I 2 and 3 to airplane ground If continuity exi the canle i shorted and should be replaced d Check the tube socket assembly for shorts I Disconnect the tube socket assembly...

Страница 727: ...otating beacal 9 a5ter solenoid coil 10 Landing ar solenoid 11 Starter solenoid 1 2 T un and lank 13 Pito heate 85 watt 14 Cigar lighte 15 Landing gear nom 16 Cil remperat u re 17 Foel gauges 2 la Ele...

Страница 728: ...e 23 Mark V 24 Mark V and VOA 3A 25 Mark VI 26 Mark X 27 Mark xn 28 VOA 4 29 OA 5 30 VOA j 31 ADF T 12 B 32 Narco L OI 2A 33 Narco UDI 3 34 Piper PTR I 35 AutoControl 36 AutoControl II 37 AluMatic n 3...

Страница 729: ...LIGHT aCLrLIGH I TA HT 07 I STA T L V ALLT A C E LT E v B H O R UO_ T 0 TCH TR S R HT I UEL QUAN HUO O L Tl MP CNT EA TRANSeEIVER MK 8 TRANCEIVER VC a OUNI INDICATOR VOA IOUNIINDICATQPI VO O VCA T aE...

Страница 730: ...0 iHARC uDI OISTANCE MEASuRING eoulP 77 TABLE IX III LAMP REPLACEMENT GUIDE Lucation Piper Part So_ Tail SaVlgacion Light 753 31 Win a g1tion Lig c 751381 Rotating Beacon Grimes 752 307 Routing Bncon...

Страница 731: ...o 24 4803 PA 24 400 S N 26 2 Up 9 76 3E10 ENGINE SYSTEM Ignition PA 24 260 S N 24 4783 24 4804 Up 9 77 3E10 DE ICE Pitot Heat 9 28 3D13 FLAP SYSTEM Flap Motor Flap Solenoid Indicator PA 24 250 S N 24...

Страница 732: ...4 4783 4804 Up 9 43 3D18A INDICATORS Fuel Gauge Oil Temperature Gauge Cylinder Head Temperature E G T PA 24 400 S N 26 2 Up 9 44 3Dl9 INDICATORS Turn and Bank PA 24 180 PA 24 250 S N 24 1 To 24 2843 9...

Страница 733: ...LIGHTING SYSTEM Landing Gear Indicator PA 24 260 S N 24 4000 To 24 4782 24 4784 To 24 4803 9 87 3E19 LIGHTING SYSTEM Landing Gear Indicator PA 24 260 S N 24 4783 24 4804 Up 9 86 3E17 LIGHTING SYSTEM...

Страница 734: ...X cont Figure No Grid No WARNING SYSTEM Stall PA 24 250 S N 24 103 To 24 655 24 2202 Up PA 24 260 S N 24 4000 To 24 4782 24 4784 To 24 4803 PA 24 400 S N 26 2 Up 9 32 3D14 WARNING SYSTEM Stall PA 24 2...

Страница 735: ...811Bn2 P14A 20 ORCUIT FUNCTION LEITER WIRE NUMBER IRE SEGMENT LEITER _ REGAUGE CIRCUITS AUTOMATIC CONTROLS COl rrROL SURFACE ENGINE INSTRUMENT FLIGHT INSTRUMENTS LANDING GEAR SYSTEM HEATER VENTILATIN...

Страница 736: ...LECTRICAl CLUTCH TERMINAl l OCK POTUrrIOMETEII 0 0 0 0 0 0 0 0 l AMP ZENER DIODE DIODE fUSE RESISTOR IlJTT CONNECTORS SHIEl DED CC IDUCTORS r I J n CC IDUCTORS l NOISE FILTER CONDUCTORS CROSSINGS AND...

Страница 737: ...EL S Pil 24 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ JNN _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ N N n N N FIGURE 9 2B PITOT HEAT SE5 LANCING 204 J eiGHTS OIA OGA GHTE t 10 A 1 r CIGAR i GtHE j l C E l PA 24 C Xcc...

Страница 738: ...A L N O S 2 6 2 U P _____ J FIGURE 9 32 STALL WARNING 0172 A C1 iZfcOi F llii L 0e STALL WARNING fI t1 4 A L ST CC W ANINO 1 FlO FCAS E I _ F l __ I Fle OO A 73C zw r clFT 4 OETECTOR T j aA Z4 260 SER...

Страница 739: ...10 24 65 FIGURE 9 38 FUEL GAUGE OIL TEMPERATURE GAUGE OOME LIGHT N A 24 180 a DA Z4 ZS0 SERIAL NQ S 24 Z202 rO N 2 0_ Zl ______________ J N FIGURE 9 38 FUEL GAUGE OIL TEMPERATURE GAUGE DOME LIGHT ELEC...

Страница 740: ...EL GAUGE OIL TtyP GAuGE aOOME I TS TO CARl Allil rEMP INOICATOR FIGURE 9 38 FUEL GAUGE OIL TEMPERATURE GAUGE OOME LIGHT u 4 24 80 SERI AI NO S 24 2844 a UP FIGURE 9 40 FUEL GAUGE OIL TEMPERATURE GAUGE...

Страница 741: ...f 3 f TEMP TEU QUAN GAuGE GAuGE GE QIB EIA B _ _ ENGINE T II TIC 0 M Q U IT OiL TEMP J ENGINE UNIT ROUT BO h OrA I_ J 1 L ocr o FuEl QUANTI SW S FIGURE 941 FUEL GAUGE OIL TIMP GAUGE DOME LIGHT CYLINDE...

Страница 742: ...S FRONT REAR L4E ENGINE CYL HEAD TEMP UNIT OIL TEMPERATURE ENGINE UNIT FUEL QUANTITY GAUGE E1B E2C CYLINDER HEAD TEMP GAUGE OIL TEMP GAUGE A 8 C Q1F LEFT OUTBOARD A 8 C LEFT INBOARD A 8 C INBOARD A 8...

Страница 743: ...A SERVICE MANUAL 04 01 09 IX ELECTRICAL SYSTEM 3D18A Figure 9 43 Fuel Oil Temp Gauge Dome Light CHT Gauge and EGT Indicator FUEL QUANTITY SW S 5A FUEL GAUGES OIL TEMP GAUGE CYL MD TEMP DOME LTS E G T...

Страница 744: ...PIPER SENECA SERVICE MANUAL IX ELECTRICAL SYSTEM 04 01 09 3D18B THIS PAGE INTENTIONALLY BLANK...

Страница 745: ...P INO COME I IGIoITS _ _ F JE L eUAN T IT Y SWI TC E S__ G T 1 LEFT lN gO Lo IN BO Q7 t UEL SELEc OR Q6 1 Q ol lc Ou790 t l 04 ors T 6 Ln ole 1 rbOUT SO t co T UEL SENDERS 06C I 04S 04C I d T aO L T 0...

Страница 746: ...URE 9 45 TURN BANK IOJ 0 N y I N N N N r N N o W N 04 PA Z4 260 A LI ____ ______________ JN FIIUM TUM lANK lOA TO NAV en sw UArTURN a ANK T t TaB INOICATOR t f1 FtA Z_ tIO a _ 24 250 SERIAL NQ S 241 2...

Страница 747: ...UMP SW J l r 0 0 1 1 24 180 SE AL S 24 1 TO 24 2201 SI L 4 IO S E A 0 S 4 TO 4 2 0 __ J PI 24 250 IE 16 L NO S 24 103 1 0 2 6 FIGURE 9 49 FUel PUMP FIGURE 9 50 FUEL PUMP FUEl PUMP 1 L 4_ O S E _A _ 0...

Страница 748: ...MPS QZB i l FuEL I IN leCTION ORG FUEio PUN I IotOOK UP I FuEL PUMP I FIGURE I 6 24 260 SERIAL S 24 4000 TO 2 4712 a 2 7 TO 2 4 03 ________________ FIGURE 9 55 FUEL PUMP U CT1ON VEL _ MOOIC U 1 I FuEL...

Страница 749: ...O SERIAL NO S 24 1 TO 24 102 Q N I H i H PIPER COMANCHE SERVICE MANUAL AII7I Cl 2iQO El ECTRIC TIIIIIM Y L 24 2 0 SERIAL NO S 24 4000 I UP PA 24 400 SERIAL NO S 26 2 UP FIGURE 9 51 ELECTRIC TRIM L3C 1...

Страница 750: ...r L3C J L H TI O T G r CTI i 30 NAV a NSTR 1 31 r 5 i sw 1 T 1 JE r FJ l ilT 3M TI T 3 1 T 1 30 T T LNSTR I r IGMT l S T i l L IGHTS L 1 l 1 3N L 3R Co I B ITT T T r I CAII AT I EFT f i TAIL Lt 1v l _...

Страница 751: ...sL 4 L I T S SWITCH JOJ I db I_MlENT L GMT i f C1 5U o 1 5 C 1 IGHT Lr f _ f J1 J3iFF C I J3IE I 3N FIGURE UZ NAVIGATION INSTRUMENT LIGHTS G31 TO IftAR MARNINQ T S G40 3100 NAV a INSTR I TS sw OtMM Ft...

Страница 752: ...L TS TO OMNI COU I EA egA I LTS WHEN TAI L rl IE LIe GL AR BAN i IGHTS EFT GI AR BAN I IG1 4T5 RIGHT TO AUTOCONTIitOL m Ollt ALTlMATlC 2E WH N INSTALLED CONTROL f WHEEL MAP 1 1 Q 0 MA f Ll 1 1 RIGHT...

Страница 753: ...S SWITCH OI ER SA INSntuMENT UGHTS LIE LBF LB I La LaB t 1 10 I GL AA IAN L IGHTS L EF i GL AR BAN LIGHTS RIGHT PA 24 400 SERIAL NO S 26 2 UP COAASS WGHT EO I r 1 I _ m r LEFT r U 1 I T 1 aOSITION l L...

Страница 754: ...G loTS I VI L IGIotT I INSTMJM NT 1 TS i 6E ILl I 30o n PANEL i DIMMER I r _7 _ L lA I a 6 6 AR SAN T5 L EFT M C YE 1 2 tl c RHEOSTAT CONTROL WHEEL GL AR BAN LTS RIGHi MAP UGHT 20 He NAVIGATION GKTS P...

Страница 755: ...ENOID INDICATOR FLAP MOTOR BRAKE COl I i i eA SEeECTO SWITC c i SHOWN I OOWN POSITION NO OOWN FLAP LIM T sw r _____ cac _____ __ L ___________ PA 24 400 SERIAL NO S 26 2 80 UP C34 F AP MOTOR TO STARTE...

Страница 756: ...0 35 A 1 GENERATOR T 1 6 2 80 SERIAL NO S 24 1 TO 24 102 Figure 9 69 Generator 35 Amp PA 24 ISO ____ STARTEIlt Z9 _Jr r _ f ZH_E_R IetA J OlZA L B SEENOTEI MASTEA T i SOL ENOID G L I STARTElit 1 c ___...

Страница 757: ...4 2201 Figure 9 71 Generator 35 Amp PA 24 180 250 35A MAIN BUS AGlOl 22127 A STA S TE LE NO I D__ P2B l 3 MASTER SOLENOID PI2A GEN FltlDl BAT REGULATOR PA 24 1BO SERIAL NO S 24 2202 THRU 24 2298 PA 24...

Страница 758: ...712 a 24 471 TO 24 805 VOL TAGE R GULATOR Figure 9 73_ Alternator 85 Amp PA 24 260 START III J SOI ENOIO I c m E A K3I lr I 5 STARTER i y 0 Pl2Ao 1 7 B PA 24 400 SERIAL NO S 26 2 UP Figure 9 74_ Alter...

Страница 759: ...J I PIPER COMANCHE SERVICE MANUAL P3E REG VOLTAGE OVEAVOU AGE L ____________________ E G UL A_TO _____ RELAY 7z _ 8AT T N Z Z O SE I AC S Z 3 a Z o a u p________________________ ________________ ELECT...

Страница 760: ...24 250 SERIAL NO S 24 2202 UP PA 24 260 SERIAL NO S 24 4000 TO 24 4782 24 4784 TO 24 4803 IRIGHT _ MAGNETO N L P A 2 4 400 S ER A L N O S 2 6 2 U P ____________________________________________________...

Страница 761: ...OPt RATED G EEN LIGHT ON TPiROTTLE PUL LED F U_lLY ClOSEO _ 7 HORN GEAR SOLENOID t GIA GEAR INDICATOR LIGHTS G5A G9A GIOA GI8A Lt G2E G2D _ _ f_ 4 G 5 C G3C GEAR DOWN LT G2F GEAR UP LT PA 24 180 a PA...

Страница 762: ...D HORN GIE G B G I B GI4A SAFETY SWITCH ION L IN GI7B LEFT GEAR DOWN LIMIT SW G2B t GIA GilA GSA GIOA GEAR SOLENOID GEAR INDICATOR LIGHTS GiS_ I r i t K GIBA I G 2 E G2Dr t t G C up i l C G E A R H G3...

Страница 763: ...EL MU U OIL TIM _ 11 2 80 24 2 50 sr iAL NO S Z4 2 UP FIGURE 9 2 CARBURETOR AIR TEMPERATURE INDICATOR ELECTRICAL SYSTEM ISSUED B 18m of N PIPER COMANCHE SERVICE MANUAL IIA CAII8 1 1 IIIID TO IfUIL G...

Страница 764: ...TY SWITCH OPERATED GREEN LIGHT ON THROTTLE NOT PULLED FULLY CLOSED HORN o N C NOSE GEAR DOWN SA GEAR SOLENOID C L 1 LIMIT SWITCH GIA GIOA SA GEAR INDICATOR LIGHTS GI9A GSA L G2B i G13 A I k f GI9A L G...

Страница 765: ...SOLENOID ON WHEELS SAFETY SWITCH OPERATED GREEN LIGHT GI68 ON THROTTLE NOT PULLED FULLY CLOSEO e t GI4A NC NO NC NO __ NC U jLEFT GEAR DOWN GI5A f 0_1 SAFETY RIGHT GEAR DOWN LIMIT NO rNC C C LIMIT SWI...

Страница 766: ...NDING GEAR MOTOR GIC NO THROTTLE SWITCH G2D 20 r G20A ________ R C_ _ MOTOR ARM UP LIMIT r SWITCH BRAKE SOLENOID 20 G2IA GEAR UP LIGHT L 5 0 20 3C GEARDOWN LIGHT ____ 20 G2H BLK NOTE SHOWN GEAR DOWN S...

Страница 767: ...1 18 NOTE SHOWN GEAR DOWN SELECT SWITCH DOWN WEIGHT ON WHEELS SAFETY SWITCH OPERATED GREEN LIGHT ON THROTTLE NOT PULLED FULLY CLOSED AMMETER 0 ED NO NC OJ RIGHT GEAR DOWN LIMIT NO I NC C C SWITCH NOSE...

Страница 768: ...EXTERNAL POWE A MASTER tSAFETY CON TAe QA REL AY _ I I t 2 g _ oyf I 1 TO BUS BAR a STAATEPit CIRCUIT filA a4 aLL ODELS OPTIONAL NL __________________________________________________________________...

Страница 769: ...l too long Remove and recherle bottery if left in unused aifl Lane 3 weeks or more Equipment left aD Remove and recharge accidentally Impurities in electrolyte Replace Short circait ground in Check wi...

Страница 770: ...s excessi ve Charling r e 00 higb water if In all cells Cracked jar one cell only GENERATOR Generator operating If the voltage is low the within rat speed generator is operating range but voltage on r...

Страница 771: ...e brushes should be free brush boxes fit without eJ cessive side play in the brusb boxe Binding brushes and the brush boxes should be wiped clean with a cloth moistened in Varsol or undoped asoline Ex...

Страница 772: ...ow above Generator operating Generator field magnetized within rated speed in the wrODI direction range but system am meter relds off scale System ammeter fluctuates Generaun system is over excessivel...

Страница 773: ...onnections Defective starter solenoid or control switch Binding worn or improperly seated brush or brushes with excessive side play 3 F2 Remedy Replace with fully charged battery Replace all defective...

Страница 774: ...commutator with the sanded side next to the brush Pull sand paper in the direction of rotation being careful to keep it in the same contou as the commutator CAUTION Do not use coarse sandpaper or emer...

Страница 775: ...improperly Disassemble clean inspect lubricated motor or and relubricate replacing stnter gearing ball bearings if worn Same electrical causes as Same remedies listed for listed under Motor these trou...

Страница 776: ...3 F5 INTENTIONALLY LEFT BLANK...

Страница 777: ...SECTION X CABIN HEATER AND VENTILATOR SYSTEM 10 1 General 10 3 Heater Maintenance ISSUED 8118172 3 F6 Aerofiche Grid No 3FB 3FB...

Страница 778: ...3 F7 INTENTIONALLY LEFT BLANK...

Страница 779: ...e lentilators located he ide each Iioeat and one larger entilator located under the instrument panel on the kh sid of the cabin For the late PA 24 180 and PA 4 250 aircraft fresh air is supplied b ent...

Страница 780: ...nO TIII A nlLIT MOl 10 DIU ROIIT II 10JI SEE DETAIL A 7 OI IIOITI AlII T I IOP 1 ILY 0 Dlr onu Alii DUTLIT to e IM IIIIH A II 10 I c IM 11 OIIT II BUT 1011 L T 11 c n MIIATIII DIE IiOITIII AIID H A II...

Страница 781: ...C IN HIAT COIITIIIOL V C IIIII VI liT CONTROL PIPER COMANCHE SERVICE MANUAL to C I U MAUST VlllT II II A NOS Z ZZOZ TO 1 12911 FIGURE 10 2 C BIN HEATER DEFROSTER ND FRESH IR SYSTEM P 24 180 and P 24 2...

Страница 782: ...NLIT 7 OIl OaTI III OU TLET C II Alit AND al IO nll COIIT OL O CASIIil UHAUaT AlII OUTLET PIPER COMANCHE SERVICE MANUAL _ CABIN FRESH AIR CABIN HEATER AIR CABIN EXHAUST AIR FIGURE 10 3 CABIN HEATER DE...

Страница 783: ...I D A _ _LIT 4 MIATto M OUT ln O OITIIOU Ln 0 CU I T All GUTLI 7 e l It QU IOITIII COtlTItOLI C UI A I FIGURE HI 4 CABIN HEATER DEFROSTER AND FRESH AIR SYSTEM PA 24 260 So al NOI 24 4000 to 2 4246 24...

Страница 784: ...o Alit OUTLET Ot O T 1I OUTLET 6 C IN I IHAUST Aill OUTLET l C N AIIO OEFIIOST II CONTIII OLS CA IUlnTO Alit FIGURE 10 5 CABIN HEATER DEFROSTER AND FRESH AIR SYSTEM PA 24 260 Serill NIL 2 42 7 2 4300...

Страница 785: ...ESH AIR OuTLET l HEATED AIR INLET HEATED AIR OUTLET S OEP AOSTEA OUTLET 6 CABIN EXIoIAUST AlA OUTLET 7 CABIN AIR DEFROSTER CONTROLS FIGURE lG 6 CABIN HEATER DEFROSTER AND FRESH AIR SYSTEM PA 24 400 3F...

Страница 786: ...ET I DEFROSTER OUTLET i CABIN EXHAUST AIR OUTLET PIPER COMANCHE SERVICE MANUAL 7 CAJUN AI R AND DEFROSTER CONTROLS J FIGURE 111 7 CABIN HEATER DEFRDSTER AND FRESH AIR SYSTEM PA Z4 ZIO SERIAL NOS Z4 47...

Страница 787: ...PIPER COMANCHE SERVICE MANUAL X HEATING AND VENTILATING 04 01 09 3F16 THIS PAGE INTENTIONALLY BLANK...

Страница 788: ...PIPER COMANCHE SERVICE MANUAL 3F16A SECTION XI INSTRUMENTS...

Страница 789: ...PIPER COMANCHE SERVICE MANUAL 3F16B THIS PAGE INTENTIONALLY BLANK...

Страница 790: ...Pump Removal 3F21 11 16 Vacuum Pump Installation 3F22 11 16a Vacuum Pump Aero Accessories 3F22 11 17 Troubleshooting 3G1 11 18 Removal And Replacement Of Face Mounted Instruments 3G5 11 19 General 3G5...

Страница 791: ...ure Gauge 3G13 11 54 General 3G13 11 55 Removal And Replacement 3G13 11 56 Troubleshooting 3G13 11 57 Fuel Pressure Gauge 3G14 11 58 General 3G14 11 59 Removal And Replacement 3G14 11 60 Troubleshooti...

Страница 792: ...CE MANUAL 04 01 09 XI TABLE OF CONTENTS 3F16E SECTION XI INSTRUMENTS TABLE OF CONTENTS Paragraph Grid No 11 78 Fuel Quantity Indicator 3G19 11 79 General 3G19 11 80 Removal And Replacement 3G19 11 81...

Страница 793: ...PIPER COMANCHE SERVICE MANUAL XI INSTRUMENTS 04 01 09 3F16F THIS PAGE INTENTIONALLY BLANK...

Страница 794: ...agree with the airplane magnetic compass provides a positive indication free from swing and turning error The gyro horizon is essentially an air driven gyroscope rotating in a horizontal plane and is...

Страница 795: ...sistance strip and a movable control arm The position of this arm is controlled by a float in the fuel cell and this position is transmitted electrically to the indicator gauge to show the amount of f...

Страница 796: ...a typical removal and installation is provided as a guide for all face mounted instruments A Remove the instrument access panel by removing the remaining screws and lifting off the panel B Remove the...

Страница 797: ...all ports properly sealed immediately after removal from the aircraft instrument panel The instrument must also be accompanied by factory copies of the warranty and credit claim forms These forms and...

Страница 798: ...ct the three lines remove the mounting screws and remove the valve Install regulator in reverse order given for removal After installation check complete vacuum system for leaks and proper operation 1...

Страница 799: ...ion With pump properly secured in vise insert fittings in ports and hand tighten firmly Next using a wrench tighten each fitting from one half to two turns additional 11 16 Vacuum Pump Installation Th...

Страница 800: ...ngine cowling D Replacing Pump Fittings CAUTION WHEN REPLACING ANY OF THE THREADED FITTINGS DO NOT USE PIPE DOPE THREADLUBE OR TAPE PIPE DOPE TAPE PARTICLES INGESTED BY THE VACUUM PUMP COULD CAUSE THE...

Страница 801: ...PIPER COMANCHE SERVICE MANUAL XI INSTRUMENTS 04 01 09 3F24 Figure 11 1 Vacuum Pump Vane Wear Inspection...

Страница 802: ...eration of instru indication at either regulator valve or ments If operation is instrument or source vacuum pump normal replace gauge If instruments are in operative check operation of vacuum pump or...

Страница 803: ...PIPER COMANCHE SERVICE MANUAL XI INSTRUMENTS 04 01 09 3G2 Figure 11 2 Instrument Panel...

Страница 804: ...PIPER COMANCHE SERVICE MANUAL 04 01 09 XI INSTRUMENTS 3G3 THIS PAGE INTENTIONALLY BLANK...

Страница 805: ...PIPER COMANCHE SERVICE MANUAL XI INSTRUMENTS 04 01 09 3G4 THIS PAGE INTENTIONALLY BLANK...

Страница 806: ...engine gauges and sending unit systems which are no longer available For replacement engine gauges and sending units see the current Comanche Parts Catalog PIN 752464 or Piper Service Spares Leiter No...

Страница 807: ...ism RCJ lacc 11 26 Gyro Horizon 11 27 GenenJ The IYro horizon is essentially an air driven gyroscope rotatin in 1 honzonta plane and is oper ned bv the same prinCipal as the dlr cctional gyro Duc to t...

Страница 808: ...him Excessive vibration Check sh ock mountS mia continuously Replace if necessary Va cuum tOO hiah Adjust valve Defective mech nism R lace instrUment 11 30 Rare Of Cimb IneliCltor 11 31 General The ra...

Страница 809: ...lc AJrimcm 11 5 General The altimeter indicates pressure altitude in feet above sea level T c mdica tor has three pOinten and dial scale The long olnter is read in hundreds of feet The middle pointer...

Страница 810: ...engllcment Replace instrument falls 0 move when i setting knob is rotated I Setting knob set screw Excessive Vlbration Tighten msuumem screw I loose or mISSing if lOOK Replace in I strumcnt if screw 1...

Страница 811: ...u and miles per hour and also hu the ncccssar Ol ftating ranlc markinp for safe operation of the a irpLane 1140 Remo And Replacement Ref to P ragra h IH8 of this section 11 41 Troublcshootinl Trouble...

Страница 812: ...s I nukings Detective light TABLE XI VII MAGNETIC COMPASS Cause Compass not properly campenltared External magnetic inter ference I Improper mounnng on In nrument panel Insufficient liquid We k cud ma...

Страница 813: ...o Paragraph 11 18 11 48 Troubleshooting See Table XI VIII Table XI VIII Troubleshooting Manifold Pressure Indicator Trouble Cause Remedy Excessive error at existing Pointer Shifted Replace instrument...

Страница 814: ...PA 24 3 PA 24 250 Carb 3 PA 24 250 F I 5 PA 24 260 Carb 5 PA 24 260 F I 5 PA 24 400 4 11 49 Tachometer Indicator 11 50 General The tachometer is connected to the engine accessory by a flexible cable...

Страница 815: ...PIPER COMANCHE SERVICE MANUAL X INSTRUMENTS 04 01 09 3G12B THIS PAGE INTENTIONALLY BLANK...

Страница 816: ...oil pressure a ailable at the pressurized engine oil passage II 55 Removal And Replacement Refer to Paragraph 11 20 of this ection II 50 Troubleshooting TABLE XI X E G E OIL PRESSL RE GAL GE Trouble...

Страница 817: ...OnI Trouble No fuel pressure indi cation Pressure low or pressu re surges eedle fluctUation INSTRUMENTS ISSUED 8 18172 TABLE XI XI FUEL PRESSURE GAUGE CaIUC Remedy Fuel valve stUck Check valve No fuel...

Страница 818: ...shooting_ Trouble POlntCT fails to respond I IncotTec t sensitiVlty I Pointer does not set on zero I I I V b i I rating pOinter I I I TABLE XI Xl1 TURN AND BANK INDICATOR ea FO iJn m n lodged in il lS...

Страница 819: ...Onary I Excessive dnn nee between Replace instrument rotor and rotor pivoa Ball in inclinometer does Insauman out of a lifnmmr Correct aliInment not cente on p nel 11 66 Oil TcmpcraNre Indica or 11 67...

Страница 820: ...section 11 73 Troubleshootinl Refer to Section IX Electrical Section 11 74 Fud Quonti y IndicatOr P 24o 80 Serial Nos 2401 and up and P 240250 Serial Nos 24 1 0 2402843 ind l 11 GcncnJ Two fuel quannt...

Страница 821: ...erride switch Incomplete ground Fuel selector in OFF pOSItion Shorted connection at selector switch or other wiring Fuel ceil IS oUas Jlng due to a suction created b a loose filler neck cap When tank...

Страница 822: ...fu 1 Iectar plare under the dcslred fuel cell position Th fu 1 pug will indicate the amount of fuel available in that cell When the red bunen is releued the indicating system will retum to ia normal...

Страница 823: ...SSUED 8118n2 PIPER COMANCHE SERVICE MANUAL TABLE XI XV FUEL QUANTITY INDICATORS conL ea Remedy Fuel lector in OFF Normal pORtio Shorted connection Check switch a nd at selector SWitch Will or other wi...

Страница 824: ...PIPER COMANCHE SERVICE MANUAL 04 01 09 XI INSTRUMENTS 3G21 THIS PAGE INTENTIONALLY BLANK...

Страница 825: ...PIPER COMANCHE SERVICE MANUAL XI INSTRUMENTS 04 01 09 3G22 THIS PAGE INTENTIONALLY BLANK...

Страница 826: ...PIPER COMANCHE SERVICE MANUAL 3G23 SECTION XII ELECTRONICS...

Страница 827: ...PIPER COMANCHE SERVICE MANUAL 3G24 THIS PAGE INTENTIONALLY BLANK...

Страница 828: ...Activation 3H4 12 5 Autoflight General 3H6 12 6 Non Piper A F C S Equipment Contacts 3H6 12 7 Piper A F C S Equipment 3H7 12 7a 100 Hour AutoControl III Altimatic III Autopilot Inspection 3H7 12 8 Rac...

Страница 829: ...PIPER COMANCHE SERVICE MANUAL XII TABLE OF CONTENTS 04 01 09 3H2 THIS PAGE INTENTIONALLY BLANK...

Страница 830: ...le at the transmitter D Remove the rear mounting bracket and remove the transmitter from the airplane E Remove and keep the four screws securing the transmitter s plain end cap Carefully remove the en...

Страница 831: ...ch is functioning properly should emit a characteristic downward swept tone E When the test is completed reposition the ON ARM OFF switch from the OFF position to the ARM position and reinstall the sw...

Страница 832: ...SERVICE MANUAL 0 DMIIIIUI CDllmlDI COM I COM I 11111 CDUlCl101 111111 1 CDUlCIIDI FIGURE 12 1 AVIONIC ANTENNA LOCAnONS 3H5 IUUTllIA IIIIIICTlOI ILl lITU11 COmCTlOI MllOlllUm mllil COIIICTIO IIIIS OID...

Страница 833: ...service such as adjusting bridle cable tension servo removal and installation servo clutch adjustment etc 12 6 Non Piper A F C S Equipment Contacts Refer to the following list of AutoPilot Flight Dir...

Страница 834: ...525 AltiMatic V F Dand V F D l 761 526 AltiMatic X F D A P X A P 761 668 AutoFlite 753 720 AutoFlite II 761 481 12 7a 100 Hour AutoControl III Altimatic III Autopilot Inspection In PA 24 260 S N s 24...

Страница 835: ...e effectiveness of the first seating attempt Accordingly the following procedure requires sequential applications of force and subsequent tightening of the jackscrew to ensure all connectors seat prop...

Страница 836: ...There is no objectionable background noise in the headsets c For troubleshooting purposes if either is present systematically turn OFF equipment until the offending system is identified 4 RFI interfer...

Страница 837: ...PIPER COMANCHE SERVICE MANUAL XII ELECTRONICS 04 01 09 3H10 THIS PAGE INTENTIONALLY BLANK...

Страница 838: ...PIPER COMANCHE SERVICE MANUAL 3H11 SECTION XIII ACCESSORIES AND UTILITIES...

Страница 839: ...PIPER COMANCHE SERVICE MANUAL 3H12 THIS PAGE INTENTIONALLY BLANK...

Страница 840: ...ER COMANCHE SERVICE MANUAL 04 01 09 XIII TABLE OF CONTENTS 3H13 13 1 Restraint System 3H15 13 2 Portable Fire Extinguisher 3H16 SECTION XIII ACCESSORIES AND UTILITIES TABLE OF CONTENTS Paragraph Grid...

Страница 841: ...PIPER COMANCHE SERVICE MANUAL XIII TABLE OF CONTENTS 04 01 09 3H14 THIS PAGE INTENTIONALLY BLANK...

Страница 842: ...eel Adjustment The inertial reel locking feature prevents the shoulder strap from extending and holds occupant in place For normal movement strap will extend and retract as required If required adust...

Страница 843: ...Annual Each 100 hours or annually whichever comes first weigh the extinguisher Replace and return to manufacturer if gross weight is below the minimum specified on the nameplate c Each Twelve 12 Years...

Страница 844: ...PIPER COMANCHE SERVICE MANUAL 04 01 09 XIII ACCESSORIES AND UTILITIES 3H17 THIS PAGE INTENTIONALLY BLANK...

Страница 845: ...PIPER COMANCHE SERVICE MANUAL XIII ACCESSORIES AND UTILITIES 04 01 09 3H18 END...

Страница 846: ......

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