TM 1-1520-238-23
9-135
9.39.
EXTERNAL POWER ACCESS DOOR SWITCH REMOVAL/INSTALLATION
9.39.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
9.39.2. Initial Setup
Tools:
Electrical tool kit (item 378, 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-watt electric soldering iron (item 333, App H)
Materials/Parts:
Solder (item 189, App F)
Personnel Required:
68X
Armament/Electrical System Repairer
68X3F
Armament/Electrical System Repairer/
Technical Inspector
References:
TM 1-1520-238-T
TM 55-1500-323-24
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access door R345 open
9.39.3. Removal
a. Enter pilot station (para 1.56). Observe all
safety precautions.
b. On pilot aft circuit breaker panel, open six
POWER circuit breakers.
c. Remove microswitch S13 (1) from mounting
bracket (2).
(1) Remove nut (3) and washer (4).
(2) Remove microswitch (1).
(3) Remove washer (5) from microswitch (1).
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