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TM 9-2350-287-20-2
18-21. APU WIRING HARNESS (12329640) REPLACEMENT.
This Task Covers:
a. Removal
b. Disassembly
c. Assembly
d. Installation
Initial Setup:
Tools/Test Equipment:
. General mechanic’s tool kit (Item 24,
Appendix I)
Materials/Parts:
. Electrical insulation tape (Item 67, Appendix D)
. Sealant adhesive (Item 6, Appendix D)
. LockWasher (Item 121, Appendix H)
. LockWasher (4) (Item 125, Appendix H)
. LockWasher (3) (Item 164, Appendix H)
. LockWasher (2) (Item 188, Appendix H)
. Self-locking nut (2) (Item 308, Appendix H)
. Self-locking nut (Item 322, Appendix H)
Equipment Conditions:
. Vehicle parked on level ground (refer to
TM 9-2350-287-10).
. APU removed (para 18-2).
a.
REMOVAL
1.
Remove engine cylinder shroud door panel (12) from APU.
2.
Remove nut (5), Iockwasher (4), lead 5 (3), and screw (2) from diode (1). Discard Iockwasher.
3.
Remove nut (24), Iockwasher (23), two washers (21), and lead 487 (22) from preheat solenoid (16). Discard
Iockwasher.
4.
Remove nut (7) and three Iockwashers (6), diode support (25), circuit R (14), and circuit 65 (15) from preheat
solenoid (16). Discard Iockwashers.
18-52
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