CHAPTER 13: MAINTENANCE OF APU
TM 9-2350-256-20
13-2 REPLACE/SERVICE APU ENGINE AIR CLEANER, FILTER, AND AIR INTAKE
TUBES--Continued
2 Install APU access cover (see paragraph 9-49).
3 Install APU air cleaner (3) and gasket (4) with four screws (5) and four new lockwashers (6).
4 Install air intake tube (1) with two clamps (2).
13-3 REPLACE APU COOLING AIR EXHAUST
THIS TASK COVERS
a. Removal
b. Installation
INITIAL SET-UP
Tools:
Parts:
Equipment Condition:
Tool kit, general mechanic's
Lockwashers (3) (Appendix G,
APU access cover removed (see
(Appendix C, item 53)
item 118)
paragraph 9-49)
a. REMOVAL
1 Loosen two clamps (1).
2 Remove APU cooling air exhaust (2) by removing
three screws (3) and three lockwashers (4).
3 Remove duct (5) and two clamps (1).
b. INSTALLATION
1 Install duct (5) and two clamps (1).
2 Install APU cooling air exhaust (2) with three
screws (3) and three new lockwashers (4).
3 Tighten two clamps (1).
NOTE
Follow-on maintenance: Install APU access cover
(see paragraph 9-49)
13-4
