TM 1-1520-238-23
6-347
6.81.
MAIN TRANSMISSION LUBE SYSTEM HOSE (LEFT SIDE) REPLACEMENT
6.81.1. Description
This task covers:
Removal. Cleaning. Inspection. Installation.
6.81.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
3/4 x 3/8-inch drive open end socket wrench crowfoot
attachment (item 97, App H)
7/8 x 3/8-inch drive open end socket wrench crowfoot
attachment (item 100, App H)
0 - 600 inch-pound 3/8-inch drive dial indicator torque
wrench (item 447, App H)
Personnel Required:
67R
Attack Helicopter Repairer
67R3F
Attack Helicopter Repairer/Technical
Inspector
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
2.2
Access doors T250L, T250R, T290L,
T290R, and L325 opened; panel L200 re-
moved
1.32
Main transmission oil system drained
WARNING
FLIGHT SAFETY PART
The main transmission and heat exchanger are flight safety parts. 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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