TM 55-1520-240-23-5
6-42
REMOVE FORWARD TRANSMISSION INPUT SHAFT SEAL
6-42
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
1/4-28 Bolt, At Least One Inch Long (3)
Materials:
None
Personnel Required:
Medium Helicopter Repairer
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Forward Transmission Fairing Opened (Task 2-2)
Oil Cooler Air Inlet Duct Removed (Task 6-121)
No. 1 and No. 2 Drive Shafts Removed (Tasks 6-2
and 6-3)
Oil Cooler Shroud Removed (Task 6-115)
Oil Cooler Impeller Removed (Task 6-117)
1.
Remove four nuts (1) and washers (2) from
retainer (3).
2.
Install three 1/4-28 bolts (4) in threaded holes
(5). Turn bolts to back retainer (3) away from
transmission (6).
3.
Remove packing (7) from retainer (3).
6-139
