TM 1-1520-238-23
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Change 4
15.23.
APU CONTROLLER REMOVAL/INSTALLATION
15.23.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
15.23.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access doors T250L, T250R, T290L,
T290R, and L325 opened
WARNING
APU is easy to start. Disconnect bat-
tery. Remove all other electrical power
before performing any maintenance in
this area. Death or serious injury
could result if APU starts. If injury oc-
curs, seek medical aid.
15.23.3. 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.
c. Detach connector P2 (1) from receptacle
(A6)J2 (2).
d. Detach connector P50 (3) from receptacle
(A6)J1 (4).
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