TM 1-1520-238-23
6-553
6.134.
TAIL ROTOR GEARBOX SHOULDERED SHAFT EXPANSION PLUG REPLACEMENT
(AVIM)
6.134.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.134.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
7/8 x 7 3/4-inch long brass driftpin (item 114, App H)
0.000 - 0.125-inch dial indicator depth gage (item 145,
App H)
Rawhide mallet (item 212, App H)
Personnel Required:
68D
Aircraft Powertrain Repairer/NDI
67R3F
Attack Helicopter Repairer/Technical
Inspector
WARNING
FLIGHT SAFETY PART
The tail rotor shouldered shaft 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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