TM 1-1520-238-23
Change 3 9-263
9.74.
MULTICHANNEL DIMMING CONTROLLER UNIT REMOVAL/INSTALLATION
9.74.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
9.74.2. 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)
Ohmmeter (item 218, App H)
Adjustable air filtering respirator (item 262, App H)
Materials/Parts:
Corrosion preventive compound (item 63, App F)
Personnel Required:
68X
Armament/Electrical System Repairer
68X3F
Armament/Electrical System Repairer/
Technical Inspector
References:
TM 1-1520-238-T
TM 11-1520-238-23-2
TM 55-1500-323-24
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access door L90 opened
9.74.3. Removal
a. Enter pilot station (para 1.56). Observe all
safety precautions.
b. On pilot center circuit breaker panel, open LT
PRI circuit breaker.
c. Enter CPG station (para 1.56). Observe all
safety precautions.
d. On CPG circuit breaker panel No. 1, open PRI
LT circuit breaker.
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M04-1258-1
