TM 1-1520-238-23
6-420
Change 1
6.96.
MAIN ROTOR DRIVE PLATE REMOVAL/INSTALLATION
6.96.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.96.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
#22 spline x 1/2-inch drive torque wrench adapter
(item 18, App H)
Light duty laboratory apron (item 27, App H)
0.000 - 0.125-inch dial indicator depth gage (item 145,
App H)
Chemical protective gloves (item 154, App H)
5X & 12X monocular magnifier (item 206, App H)
Adjustable air filtering respirator (item 262, App H)
0 - 175 foot-pound 1/2-inch drive dial indicator torque
wrench (item 444, App H)
Materials/Parts:
Packing
Nut (12)
Alcohol (item 25, App F)
Lubricant (item 114, App F)
Petrolatum (item 138, App F)
Sealing compound (item 177, App F)
Personnel Required:
68D
Aircraft Powertrain Repairer/NDI
One person to assist
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
6.95
Main rotor gearshaft removed
WARNING
FLIGHT SAFETY PART
The main rotor drive plate 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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M04-0518-1
