TM 1-1520-238-23
9-577
9.153.
ELECTRICAL POWER DISTRIBUTION BOX VENTILATING FAN
REMOVAL/INSTALLATION
9.153.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
9.153.2. Initial Setup
Tools:
Electrical tool kit (item 378, App H)
Materials/Parts:
Strap (item 194, App F)
Personnel Required:
68X
Armament/Electrical System Repairer
68X3F
Armament/Electrical System Repairer/
Technical Inspector
References:
TM 1-1520-238-T
TM 55-1500-323-24
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access panel L190 and T205L removed
9.153.3. Removal
a. Enter pilot station (para 1.56). Observe all
safety precautions.
b. On pilot aft circuit breaker panel, open AFT
FAN circuit breaker.
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