TM 1-1520-238-23
12-170
Change 3
12.55.
BLADE DE-ICE CONTROLLER REMOVAL/INSTALLATION
12.55.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
12.55.2. 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:
Brush (item 34, App F)
Sealing compound (item 175, App F)
Personnel Required:
68X
Armament/Electrical System Repairer
68X3F
Armament/Electrical System Repairer/
Technical Inspector
References:
TM 55-1500-323-24
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access panel R200 removed
12.55.3. Removal
a. Enter pilot station (para 1.56). Observe all
safety precautions.
b. On pilot forward circuit breaker panel, open
AIR DATA AC circuit breaker.
c. On pilot center circuit breaker panel, open PI-
TOT HTR and LT PRI circuit breakers.
d. On pilot aft circuit breaker panel, open ECS
WSHLD WPR, CANOPY ANTI-ICE CONTR,
ENG ANTI-ICE, and BLADE DE-ICE circuit
breakers.
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M04-3158-1
