TM 1-1520-238-23
6-504
6.122.
INTERMEDIATE GEARBOX OUTPUT SHOULDERED SHAFT
REMOVAL/INSTALLATION
6.122.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.122.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
Light duty laboratory apron (item 27, App H)
Industrial faceshield (item 129, App H)
Chemical protective gloves (item 154, App H)
Adjustable air filtering respirator (item 262, App H)
Materials/Parts:
Packing
Grease (item 88, App F)
Petrolatum (item 138, App F)
Personnel Required:
68D
Aircraft Powertrain Repairer/NDI
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access fairings L510 and R510 removed
6.14
No. 6 tail rotor drive shaft removed
6.13
Intermediate gearbox output coupling re-
moved
WARNING
FLIGHT SAFETY PART
The intermediate gearbox 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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M04-553-1
