TM 1-1520-238-23
7-407
7.109.
UTILITY HYDRAULIC TUBING BULKHEAD SUPPORT BRACKET
REMOVAL/INSTALLATION
7.109.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
7.109.2. 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)
1 & 1 1/8-inch open end wrench (item 417, App H) (2)
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 doors T250L, T250R, T290L,
T290R, and L325 opened
7.57
Utility hydraulic system vented
7.127
SDC pressure outlet hose removed
7.109.3. Removal
a. Remove utility pump return hose (1) from
union (2).
(1) Place rags under hose (1) to catch hydraulic
fluid spills.
(2) Hold union (2). Remove nut (3). Use two
open end wrenches.
(3) Hold union (2). Remove nut (4) and washer
(5).
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M04-3643-2
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