TM 1-1520-238-23
Change 4
6-415
6.95.
MAIN ROTOR GEARSHAFT REMOVAL/INSTALLATION
6.95.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.95.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
Aircraft mechanic’s tool kit (item 376, App H)
Airframe adapter kit (item 25, App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
0.000 - 0.125-inch dial indicator depth gage (item 145,
App H)
Chemical protective gloves (item 154, App H)
Sling set kit (item 194, App H)
Adjustable air filtering respirator (item 262, App H)
Materials/Parts:
Epoxy primer coating kit (item 76, App F)
Lubricant (item 111, App F)
Wire (item 229, App F)
Personnel Required:
67R
Attack Helicopter Repairer
68D
Aircraft Powertrain Repairer/NDI
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
1.97
Maintenance crane installed
6.94
Air data system (ADS) standpipe removed
WARNING
FLIGHT SAFETY PART
The main rotor gearshaft is a flight
safety part. 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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