TM 9-2350-256-20
CHAPTER 13: MAINTENANCE OF APU
13-6 REPLACE APU ENGINE OIL FILTER
THIS TASK COVERS
a. Removal
b. Installation
INITIAL SET-UP
Part:
Reference:
Filter, oil (Appendix G, item 20)
Deleted
Equipment Condition:
Left front air inlet grille doors
opened (see paragraph 9-57)
a. REMOVAL
Coordinate engine oil filter change with
Remove engine oil filter (1) from APU engine.
b. INSTALLATION
Install new engine oil filter (1) on APU engine.
NOTE
Follow-on maintenance:
Close left front air
inlet grille doors (see
paragraph 9-57)
NOTE
draining of engine crankcase (see Appendix J).
13-7 REPLACE/REPAIR APU CONTROL BOX
THIS TASK COVERS
a. Removal
b. Disassembly
c. Assembly
d. Installation
INITIAL SET-UP
Tools:
Parts-Continued:
Tool kit, general mechanic’s (Appendix C, item 53)
Lockwashers (4) (Appendix G, item 122)
Riveter, blind (Appendix C, item 42)
Lo&washers (16) (Appendix G, item 128)
Lo&washers (4) (Appendix G, item 130)
Parts:
Lockwashers (6) (Appendix G, item 104)
Lockwashers (4) (Appendix G, item 116)
Rivets (4) (Appendix G, item 238)
a. REMOVAL
1
Disconnect cable connector (1) from back of APU
control box (2).
2 Remove APU control box (2) from mounting
bracket (3) by removing four nuts (4), four
lockwashers (5), and four screws (6).
3
Remove mounting bracket (3) by removing four
screws (7), four lockwashers (8), and ground strap
(9).
13-8
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