TM 9-2520-272-34&P
4-22 DISASSEMBLE LEFT END COVER ASSEMBLY
(SHEET 4 OF 4)
TASK 3. REMOVE RANGE INPUT DRIVEN GEAR RACE, RANGE INPUT DRIVE GEAR
BEARING AND OIL TRANSFER TUBE SEAL RINGS
COMMON TOOLS:
Gun, heat (2 required)
Pry Bars, roller head (2 required)
Puller, mechanical, gear and bearing
SUPPLIES:
Wooden Blocks, 2 x 4 inches x 16 inches (2 required) (Item Z, Appendix C)
PRELIMINARY PROCEDURE: Left end cover removed. Refer to paragraph 4-8.
WARNING
Hot parts can burn you Always wear leather gloves when working with parts
that are or miqht be hot.
NOTE
Left end cover turned inside up.
Wooden blocks on edge under corner
nearest output shaft bore.
1 Using two heat
bearing (2) and
300oF (149oC).
guns, heat left end cover (1) around
race (3) for one hour to approximately
NOTE
housing is cut away two places
End cover
180 degrees apart under bearing to provide
puller access to bearing.
2 Using bearing puller, remove bearing (2).
3 Using pry bars, remove race (3).
4 Remove small seal ring (4) and two large seal rings (5)
from oil transfer tube assembly (6).
FOLLOW-ON PROCEDURE: Install race, bearing and seal rings. Refer to paragraph 4-24.
End of Task 3
Para. 4-22, Task 3
4-151
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