TM 1-1520-238-23
7-395
7.105.
ROTOR BRAKE PRESSURE SWITCH REMOVAL/INSTALLATION
7.105.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
7.105.2. 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:
Packing
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 doors T250L, T250R, T290L,
T290R, and L325 opened
7.57
Utility hydraulic system vented
7.105.3. Removal
a. Enter pilot station (para 1.56). Observe all
safety precautions.
(1) Set BATT/EXT PWR switch to BATT.
(2) Set RTR BK switch to OFF.
(3) Ensure rotor brake caution light is not lighted.
(4) Set BATT/EXT PWR switch to OFF.
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