TM 55-1520-240-23-5
6-53
REMOVE AFT ROTOR SHAFT UPPER SEAL (AVIM)
6-53
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Work Hoist
Hoisting Eye (T32)
Wood Plank, 2 Inches x 4 Inches x 36 Inches
Phenolic Wedge
Gun Heater
Pyrometer
Materials:
Cloths (E120)
Dry Cleaning Solvent (E162)
Gloves (E184.1)
Kevlar Gloves (E187)
Personnel Required:
Medium Helicopter Repairer
Aircraft Powertrain Repairer
Equipment Condition:
Off Helicopter Task
Aft Rotor Shaft Installed Horizontally in Adapter (T18)
General Safety Instructions:
Wear Kevlar gloves (E187) when
handling heated parts.
1.
Install hoisting eye (T32) (1) in shaft (2).
2.
Connect hoist cable (3) to eye of hoisting eye
(T32) (1) marked AFT SHAFT. Have helper raise
hoist to remove slack from cable.
3.
Remove two nuts (4) and bolts (5).
4.
Have helper lift shaft (2) enough to insert wood
plank (6) between shaft and adapter (T18) (7).
5.
Have helper lower shaft (2) on plank (6).
6.
Remove hoist cable (3) and hoisting eye (T32)
(1).
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