TM 1-1520-238-23
7-278
7.68.
UTILITY HYDRAULIC MANIFOLD PRESSURE TRANSDUCER REPLACEMENT
7.68.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
7.68.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
Adjustable air filtering respirator (item 262, App H)
5/32-inch hexagon x 1/4-inch drive screwdriver socket
wrench attachment (item 324, App H)
0 - 30 inch-pound 1/4-inch drive dial indicator torque
wrench (item 445, App H)
Materials/Parts:
Packing (2)
Hydraulic fluid (item 92, App F)
Sealing compound (item 174, 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 T250L, T250R, T290L,
T290R, L325, and R325 opened
7.57
Utility hydraulic system vented
NOTE
This task is typical for the utility hydraulic
pressure transducer or utility accumula-
tor pressure transducer.
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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M04-846-1
UTILITY HYDRAULIC
PRESSURE TRANSDUCER
UTILITY ACCUMULATOR
PRESSURE TRANSDUCER
