TM 1-1520-238-23
10-460
Change 1
10.111.
APU FUEL SHUTOFF VALVE REMOVAL/INSTALLATION
10.111.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
10.111.2. 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 (2)
Petrolatum (item 138, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
TM 9-1090-208-23
TM 55-1500-323-24
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
10.2
Fuel system safety precau-
tions observed
1.22
Fuel system venting
TM 9-1090-208-23
Ammunition storage maga-
zine removed
10.111.3. Removal
a. Enter pilot station (para 1.56). Observe all
safety precautions.
b. On pilot forward circuit breaker panel, open
FUEL BST and APU START circuit breakers.
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