TM 55-1520-240-23-4
5-42
REMOVE HORIZONTAL HINGE PIN OIL SEALS
5-42
INITIAL SETUP
Applicable Configurations:
All
Tools:
Powertrain Repairers Tool Kit, NSN
5180-00-003-5267
Phenolic Drift, 1/2 Inch X 1/2 Inch x 10 Inches
Materials:
None
Personnel Required:
Aircraft Powertrain Repairer
Equipment Condition:
Off Helicopter Task
Pitch-Varying Housing Removed (Task 5-22)
Horizontal Hinge Pin Bearing Caps Removed (Task
5-40)
Horizontal Hinge Pin Removed (Task 5-44)
Do not strike bearings with hard tool.
Bearings can be damaged.
NOTE
Procedure is same to remove any
horizontal hinge pin, oil seal. There
are six horizontal hinge pin oil seals
in each rotary-wing head. Forward
rotary-wing head is shown here.
1.
Tap seal (1) from leading lug (2). Use phenolic
drift. Do not strike bearing (3).
2.
Tap seal (4) from trailing lug (5). Use phenolic
drift. Do not strike bearing (3).
FOLLOW-ON MAINTENANCE:
None
END OF TASK
5-183