TM 1-1520-238-23
15-148
Change 5
SECTION III.
AUXILIARY POWER UNIT EXHAUST SYSTEM AND
ENCLOSURE
15.40.
APU EXHAUST NOZZLE AND DUCT REMOVAL/INSTALLATION
15.40.1. Description
This task covers:
Removal. Cleaning. Inspection. Repair. Installation.
15.40.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 371, App H)
1 3/4 & 2 3/4-inch rubber mallet (item 213, App H)
0 - 75 inch-pound 1/4-inch drive dial indicator torque
wrench (item 446, App H)
Materials/Parts:
Tape (item 204, App F)
Personnel Required:
68B
Aircraft Powerplant Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
15.41
APU enclosure upper center cover removed
WARNING
APU is easy to start. Disconnect battery. Remove all other electrical power before performing
any maintenance in this area. Death or serious injury could result if APU starts. If injury occurs,
seek medical aid.
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