TM 1-1520-238-23
6-507
6.123.
INTERMEDIATE GEARBOX INPUT FLANGE AND OUTPUT SHOULDERED SHAFT EXPANSION
PLUG REPLACEMENT (AVIM)
6.123.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.123.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
0.000 - 0.125-inch dial indicator depth gage (item 145,
App H)
7/8 x 7 3/4-inch long brass driftpin (item 114, App H)
Rawhide mallet (item 212, App H)
Personnel Required:
68D
Aircraft Powertrain Repairer/NDI
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
6.12
Intermediate gearbox input flange removed
or
6.122
Intermediate gearbox output shouldered shaft
removed
WARNING
FLIGHT SAFETY PART
The intermediate gearbox input flange and output shouldered shaft 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.
NOTE
This task is typical for either intermediate gearbox input flange or output shouldered shaft expansion
plug.
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