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Piper Comanche PA-24 User Manual

Piper Comanche PA-24
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PIPER COMANCHE SERVICE MANUAL
04/01/09 LIST OF ILLUSTRATIONS
1A16I
LIST OF ILLUSTRATIONS (cont.)
Figure
No. Grid No.
9-23. Checking Alternator Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3B15
9-24. Volt-Ohmmeter Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3B17
9-25. Jumper Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3B17
9-26. Regulator Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3B18
9-27. Relay Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3B19
9-27a. Exploded View of Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3B20
9-27b. Alternator and Starter Wiring System Schematic (Prestolite) . . . . . . . 3B22
9-27c. Removal of Rectifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3B23
9-27d. Removal of Slip Ring End Bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . 3B23
9-27e. Removal of Drive End Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3B24
9-27f. Removal of End Head Bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3B24
9-27g. Testing Rotor for Grounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C1
9-27h. Testing Rotor for Shorts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C1
9-27i. Installation of Bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C2
9-27j. Installation of Rectifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C2
9-27k. Terminal Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C3
9-271. Slip Ring End Bearing Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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
9-27s. Testing Overvoltage Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C9
9-27t. No-Load Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C11
9-27u. Lock-Torque Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C12
9-28. Not Used. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-29. Not Used. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-29a. Exploded View of Gear Reduction Starting Motor . . . . . . . . . . . . . . . 3C14
9-29b. Turning Starting Motor Commutator . . . . . . . . . . . . . . . . . . . . . . . . . . 3C17
9-29c. Testing Motor Armature for Shorts . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C17
9-29d. Testing Motor Fields for Grounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C17
9-29e. No-Load Test Hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C18
9-29f. Stall-Torque Hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3C18
NO
TE: See Electrical Schematics Index at 3D7.
10-1. Cabin Heater, Defroster and Fresh Air System -
PA-24-180 and PA-24-250
(S/N’s 24-1 to 24-1251) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3F9
10-2. Cabin Heater, Defroster and Fresh Air System -
PA-24-180 and PA-24-250 (S/N’s 24-1252 to 24-2298) . . . . . . . . 3F10
10-3. Cabin Heater, Defroster and Fresh Air System -
PA-24-180 and PA-24-250
(S/N’s 24-2299 and up) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3F11

Table of Contents

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Piper Comanche PA-24 Specifications

General IconGeneral
ManufacturerPiper Aircraft
ModelComanche PA-24
TypeLight aircraft
First FlightMay 24, 1956
Number Built4, 857
Seating Capacity4
EngineLycoming O-360
Wingspan36 ft (11 m)
Length24 ft 8 in (7.5 m)
Stall Speed62 mph (100 km/h, 54 kn)
Height7 ft 6 in (2.3 m)

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