TM 1-1520-238-23
7-364
7.94.
UTILITY HYDRAULIC RETURN ACCUMULATOR REMOVAL/INSTALLATION
7.94.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
7.94.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
1 1/8 x 3/8-inch drive open end socket wrench crowfoot
attachment (item 90, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
1 & 1 1/8-inch open end wrench (item 417, App H)
Materials/Parts:
Locknut (4)
Packing (2)
Hydraulic fluid (item 92, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access fairing L175 removed
7.57
Utility hydraulic system vented
1.39
Utility hydraulic return accumulator vented
7.97
Utility Hydraulic return accumulator nitrogen
manifold tube removed
7.94.3. Removal
a. Enter pilot station (para 1.56). Observe all
safety precautions.
b. On pilot center circuit breaker panel, open
EMERG HYD circuit breaker.
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