TM 1-1520-238-23
7-411
7.110.
UTILITY HYDRAULIC AUXILIARY RETURN CHECK VALVE REPLACEMENT
7.110.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
7.110.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
14-quart utility pail (item 222, App H)
Materials/Parts:
Hydraulic fluid (item 92, 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
7.57
Utility hydraulic system
vented
TM 9-1090-208-23
Ammunition storage maga-
zine removed
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