TM 1-1520-238-23
6-235
6.51.
MAIN TRANSMISSION FORWARD OIL JET AND NOZZLE REMOVAL/INSTALLATION
6.51.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.51.2. 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:
Packing (2 per oil jet)
Removal bolt (NAS 464-9)
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
Forward oil jet filter and/or nozzle filter 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.
CAUTION
The main transmission forward oil jet and
nozzle are not interchangeable with each
other. To prevent damage to the main
transmission, do not intermix or swap oil
jets.
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RIGHT SIDE
RIGHT NOZZLE
LEFT NOZZLE
LEFT
FORWARD
OIL JET
RIGHT
FORWARD
OIL JET
M04-486-1
LEFT SIDE