TM 1-1520-238-23
10-385
10.90.
RIGHT AUXILIARY FUEL TANK CHECK VALVE REMOVAL/INSTALLATION
10.90.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
10.90.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
1 3/16 x 1/2-inch drive open end box socket wrench
crowfoot attachment (item 79, App H)
Chemical protective gloves (item 154, App H)
9-inch x 1/2-inch drive hinged socket wrench handle
(item 171, App H)
Adjustable air filtering respirator (item 262, App H)
Materials/Parts:
Packing
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
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
10.2
Fuel system safety precau-
tions observed
TM 9-1090-208-23
Ammunition storage maga-
zine removed
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