TM 5-3810-306-34
CAUTION
a. Examine all roller bearings (8) for spalling or
pitting.
If replacement is necessary, pull
If it is necessary to pry bearing carrier
bearings (8) with a bearing puller.
loose, use care to avoid damaging
machined surfaces.
NOTE
5. LIFT OFF BEARING CARRIER (15) AND REMOVE
To replace ring seals (7), pull drive
PLUG (16) IF NECESSARY.
gear bearing with a bearing puller
and remove ring seal from bottom of
CAUTION
bearing bore.
If it is necessary to pry gear housing
b. Check ring seals (7) for wear and replace them if
loose, use care to avoid damaging
necessary.
machined surfaces.
10. REMOVE LIP SEAL (20) FROM SHAFT END
NOTE
COVER (19).
If thrust plate (10) remains in gear
a. Secure shaft end cover in a vise with mounting
housing, tap it out with a wooden
face down. Remove double lip seal by inserting
hammer handle.
Avoid distorting
special seal removal tool (Item 3, Appendix C)
thrust plate.
into notch between double lip seal and shaft end
cover. Tap double lip seal out from shaft end
6. USING STEPS 2 THROUGH 5, REMOVE
cover and discard seal.
ADDITIONAL GEAR HOUSINGS (12) AND
BEARING CARRIER (15) FROM SHAFT END
b. Stone off all machined surfaces with a medium
COVER.
grit carborundum stone.
7. REMOVE DRIVE GEAR WITH SHAFT AND
CLEANING:
DRIVEN GEAR (17), AND KEEP THEM
TOGETHER AS THEY ARE A MATCHED SET.
WARNING
CAUTION
Dry cleaning solvent P-D680 is toxic
and flammable.
Wear protective
Avoid distorting thrust plate.
goggles and gloves and use only in a
well ventilated area. Avoid contact
8. REMOVE THRUST PLATES (10) AND SEALS (11)
with skin, eyes, and clothes and do
AND (9).
not breathe vapors. Do not use near
open flame or excessive heat.
a. Pry thrust plate from shaft end cover, port end
cover or bearing carrier with a screwdriver or
similar tool. Remove and discard all rubber
seals (9) and gasket seals (11).
9. INSPECT BEARINGS (8) AND RING SEALS (7)
AND REPLACE AS REQUIRED.
13-14
