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TM 9-2350-287-20-2
18-16. APU GENERATOR REPLACEMENT.
This Task Covers:
a. Removal
b. Installation
Initial Setup:
Tools/Test Equipment:
• General mechanic’s tool kit (Item 24,
Appendix I)
Materials/Parts:
• Drycleaning solvent (Item 28, Appendix D)
• Sealant, adhesive (Item 6, Appendix D)
• Lockwasher (3) (Item 126, Appendix H)
• Lockwasher (2) (Item 164, Appendix H)
• Self-locking nut (2) (Item 308, Appendix H)
• Self-locking nut (6) (Item 314, Appendix H)
• Self-locking nut (2) (Item 323, Appendix H)
Personnel Required: Two
Equipment Conditions:
• Vehicle parked on level ground (refer to
TM 9-2350-287-10).
• APU removed (para 18-2).
• APU support stand and support assembly
removed (para 18-4).
• APU generator air duct removed (para 18-17).
• APU hydraulic pump removed (para 17-21).
a.
1.
2.
3.
4.
5.
6.
7.
b.
1.
2.
18-42
REMOVAL
Remove self-locking nut (9), Iockwasher (10), and electrical lead 61 (11) from terminal A (3), Discard
Iockwasher.
Remove self-locking nut (12), Iockwasher (13), and electrical lead 478A (14) from terminal D (16). Discard
Iockwasher.
Remove self-locking nut (1), three Iockwashers (18), and two electrical ground leads (2) from terminal E (17).
Discard Iockwashers.
Remove self-locking nut (5), washer (6), electrical lead 62 (8), and electrical lead 66 (7) from terminal B (15).
Discard self-locking nut.
NOTE
One person should support generator when mounting nuts are being loosened.
Loosen six self-locking nuts (19) from APU generator (4) and mounting studs (21).
With the aid of assistant, remove APU generator (4) by tuming Counterclockwise then pulling it from APU chain
case (22).
Remove six new self-locking nuts (19) and washers (20) from mounting studs (21). Discard self-locking nuts.
INSTALLATION
Install six new self-locking nuts (19) and washers (20) on mounting studs (21). Do not tighten nuts (19).
With the aid of assistant, position generator (4) on chain housing mounting studs (21) in APU chaincase (22)
so terminal box is at 2 o’clock position.
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