TM 1-1520-238-23
10-236
10.48.
AFT FUEL CELL FUEL VALVE ISOLATION SWITCH REMOVAL/INSTALLATION
10.48.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
10.48.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
Adjustable air filtering respirator (item 262, App H)
Materials/Parts:
Packing with retainer (7)
Adhesive (item 8, App F)
Petrolatum (item 138, App F)
Personnel Required:
68X
Armament/Electrical System Repairer
68X3F
Armament/Electrical System 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
2.84
Catwalk removed (as required)
7.82
Utility hydraulic accumulator removed
10.48.3. Removal
a. Enter pilot station (para 1.56). Observe all
safety precautions.
b. On pilot forward circuit breaker panel, open
FUEL FILL circuit breaker.
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M04-930-1
