TM 1-1520-238-23
7-288
7.71.
UTILITY HYDRAULIC MANIFOLD DIRTY FILTER INDICATOR REPLACEMENT
7.71.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
7.71.2. 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)
9/64-inch hexagon x 3/8-inch drive screwdriver socket
wrench attachment (item 330, App H)
0 - 30 inch-pound 1/4-inch drive dial indicator torque
wrench (item 445, App H)
Materials/Parts:
Packing (4)
Hydraulic fluid (item 92, App F)
Wire (item 222, 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 doors T290L, T290R, L325, and
R325 opened; fairing T325 removed
7.57
Utility hydraulic system vented
7.69
Utility hydraulic manifold pressure and /or
return strainer removed
NOTE
This task is typical for pressure or return
dirty filter indicator.
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