TM 1-1520-238-23
13-55
13.18.
AIR DUCT NO. 2 REMOVAL/INSTALLATION
13.18.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
13.18.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Materials/Parts:
Tape (item 200, App F)
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
13.18.3. Removal
a. Enter pilot station (para 1.56). Observe all
safety precautions.
b. On pilot aft circuit breaker panel, open ECS
CAB circuit breaker.
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