TM 1-1520-238-23
6-564
6.136.
TAIL ROTOR GEARBOX BREATHER REMOVAL/INSTALLATION
6.136.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.136.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 372, App H)
0.000 - 0.125-inch dial indicator depth gage (item 145,
App H)
0 - 75 inch-pound 1/4-inch drive dial indicator torque
wrench (item 446, App H)
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 L530 and R540 removed
WARNING
FLIGHT SAFETY PART
The tail rotor 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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