TM 1-1520-238-23
7-257
7.62.
UTILITY HYDRAULIC PUMP SEAL DRAIN HOSE REPLACEMENT
7.62.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
7.62.2. 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)
Materials/Parts:
Hydraulic fluid (item 92, App F)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access panel R200 removed
7.62.3. Removal
a. Remove utility hydraulic pump seal drain
hose (1) from nipple (2).
(1) Place rags under hose (1) to catch hydraulic
fluid spills.
(2) Hold nipple (2). Remove nut (3).
b. Remove hose (1) from tee fitting (4).
(1) Remove nut (5).
c. Remove hose (1) from nuts (3) and (5).
(1) Remove clamps (6) and (7).
(2) Discard hose (1).
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