TM 1-1520-238-23
Change 2
15-7
15.2.
APU REMOVAL
15.2.1. Description
This task covers:
Removal. Cleaning. Inspection.
15.2.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Maintenance platform (item 210, App H)
1 1/2 & 1 5/8-inch open end wrench (item 418, App H)
(2)
1 1/4 & 1 5/16-inch open end wrench (item 419, App H)
1 3/8 & 1 7/16-inch open end wrench (item 421, App H)
Materials/Parts:
Tag Line (2)
Personnel Required:
67R
Attack Helicopter Repairer
Two persons to assist
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
1.104
Maintenance crane adjusted - APU
6.16
No. 7 drive shaft removed
7.57
Utility hydraulic system vented
WARNING
APU is easy to start. Disconnect
battery. Remove all other electrical
power before performing any main-
tenance in this area. Death or seri-
ous injury could result if APU
starts. If injury occurs, seek medi-
cal aid.
The fuel solenoid shutoff valve
should not be used as a handhold
at any time. Doing so could result in
fuel leakage and possible fire.
15.2.3. Removal
a. Enter pilot station (para 1.56). Observe all
safety precautions.
b. On pilot center circuit breaker panel, open
FUEL APU and APU HOLD circuit breakers.
NOTE
Place rags under work area to catch fluid.
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M04-1573-1A
