Piper Navajo PA-31 Service Manual page 11

PIPER NAVAJO SERVICE MANUAL
LIST OF ILLUSTRATIONS (cont.)
Aerofiche
Figure Grid No.
11-5.
11-6.
11-7.
11-8.
11-9.
11-10.
11-11.
11-12.
11-13.
11-14.
11-15.
11-16.
11-17.
11-18.
11-19.
11-20.
11.21
Checking Rotor ............................
Slip Ring End Frame .........................
Checking Stator ............................
Checking Diodes ............................
Brush Holder Assembly ........................
Alternator Output Check .......................
Exploded View of Heat Sink Assembly ...............
Volt-Ohmmeter Test......................................
Jumper Connection ......................................
Regulator Checks ........................................
Relay Tests..............................................
Exploded View of Alternator ..............................
Dual Alternator Wiring System (Prestolite)..................
Removal of Rectifier .....................................
Removal of Slip Ring End Bearing .........................
Removal of Drive End Head ..............................
. . . . . .
. . .
.
. . . . . . .
. . . . . . . . .
. . . .
. . . . .
. . . . . . . . . .
.... .·. . . . .
........ . ......
...... . ........
........ . ......
. .. . .. . . . . . . . .
11- 1. Removal of End Head Bearing ............................................
.11-22.
Testing Rotor for Ground ................................................
.11-23. Testing Rotor for Shorts .................................................
11-24.
Installation of Bearing ...................................................
11-25.
Installation of Rectifier ..................................................
11-26. Terminal Assembly ......................................................
11-27.
Slip Ring End Bearing Assembly ..........................................
11-28. Testing Alternator. . ............................
.......................
11-29. Brush Installation .......................................................
11-30.
Internal W iring Diagram .................................
...............
11-31.
Alternator Paralleling System .............................................
11-32.
Regulator Diagram (Prestolite) ...........................................
11-33. Regulator Diagram (Lamar) ..............................................
11-34.
Testing Regulator (Prestolite) .............................................
11-35.
Testing Regulator (Lamar) ...............................................
11-36.
Adjusting Regulator (Lamar) .............................................
11-37.
Application of Overvoltage Control .......................................
11-38. Testing Overvoltage Control ..............................................
11-39
Exploded View of Gear Reduction Starting M otor ..........................
11-40.
Turning Starting M otor Commutator ......................................
11-41.
Testing M otor Armature for Shorts .......................................
11-42.
Testing M otor Fields for Grounds .........................................
11-43.
No Load Test Hook-up ..................................................
11-44. Stall-Torque Hook-up ...................................................
11-45.
Door Ajar Switch (Cargo Door Installed) ..................................
11-46.
Landing Light ..........................................................
.4B3
.4B3
.4B4
. 4B4
.4B6
.4B6
4B7
... 4B10
. 4B10
... 4BII
... 4B13
... 4B14
... 4B15
... 4B18
... 4B18
... 4B19
... 4B19
... 4B20
... 4B20
... 4B21
... 4B21
.. 4B22
... 4B23
... 4B23
.. 4C1
... 4C1
... 4C3
... 4C5
... 4C7
... 4C9
... 4C10
... 4C12
... 4C14
... 4C14
... 4C17
... 4C20
... 4C20
... 4C21
... 4C21
... 4C22
... 4D9
. 4D11
NOTE
Index for Electrical Schematics may be found in Table XI-VII. Grid 4E 15
Reissued: 10/12/79
1All