TM 1-1520-238-23
6-487
6.116.
MAIN TRANSMISSION INPUT PINION SEAL REMOVAL/INSTALLATION
6.116.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.116.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
Mechanical puller attachment (item 240, App H)
Adjustable air filtering respirator (item 262, App H)
Bushing driver set (item 280, App H)
Materials/Parts:
Sealing compound (item 177, App F)
Personnel Required:
68D
Aircraft Powertrain Repairer/NDI
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
6.115
Main transmission input drive clutch re-
moved
WARNING
FLIGHT SAFETY PART
The main transmission is a flight safe-
ty part. 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 left or right
main transmission input pinion seal.
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LEFT
RIGHT
M04-2920-1
