TM 1-1520-238-23
6-391
6.90.
MAIN ROTOR DE-ICE POWER DISTRIBUTOR AND AIR DATA SYSTEM (ADS) MAST
REMOVAL/INSTALLATION
6.90.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.90.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
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)
0 - 30 inch-pound 1/4-inch drive dial indicator torque
wrench (item 445, App H)
Materials/Parts:
Packing
Barrier material (item 32, App F)
Sealing compound (item 177, App F)
Tape (item 207, App F)
Wire (item 222, App F)
Wire (item 224, App F)
Personnel Required:
67R
Attack Helicopter Repairer
One person to assist
68X
Armament/Electrical System Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1500-204-23
TM 1-1520-238-T
TM 9-1230-476-20-1
TM 55-1500-323-24
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access panel R200 removed
WARNING
FLIGHT SAFETY PART
The main transmission and mast are
flight safety parts. Failure to follow
maintenance instructions may result
in serious injury or death of
crewmembers and/or serious damage
to the helicopter.
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M04-2984-1
