TM 1-1520-238-23
6-241
6.52.
MAIN TRANSMISSION AFT OIL JET REMOVAL/INSTALLATION
6.52.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.52.2. 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)
0.000 - 0.125-inch dial indicator depth gage (item 145,
App H)
Chemical protective gloves (item 154, App H)
30 - 150 inch-pound 1/4-inch drive click type torque
wrench (item 435, App H)
Materials/Parts:
Bolt (NAS 464-9)
Packing (2)
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
6.50
Aft oil jet filter removed
WARNING
FLIGHT SAFETY PART
The main transmission 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.
CAUTION
The aft oil jet is not interchangeable with any other oil jet found on main transmission. To prevent
damage to main transmission, do not intermix or swap oil jets.
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