310
GEARCASE – STANDARD ROTATION
DRIVESHAFT SHIMMING
Rear Seal Installation
Apply Gasket Sealing Compound to metal casings
of the seals before installing.
Use Seal Installation Tool to install new seals back
to back in bearing housing.
Seal Installation Tool:
• P/N 354056 – “L2”, “M2”
Install inner seal with lip facing toward the bearing
housing, then outer seal with lip facing away fro m
the bearing housing.
Apply Triple-Guard grease to seal lips.
DRIVESHAFT SHIMMING
If a ne w p inion gear is needed,
replace gear set before shimming.
Pinion gear ba cklash is achieved by using sh ims
between the drivesha ft bea ring housing and the
thrust washer. When installing a new thrust bear-
ing or washer, bearing housing, pin ion, or drive-
shaft, it is ne cessary to pro perly sh im th e
assembly to restore factory clearance.
Use Driveshaft Shimming Tool, P/N 5005925.
Shim gauge bars are precision made and should
be han dled carefully. The leng th of each bar is
stamped near the p art number. This dimension is
0.020 in. (0 .508 mm) sh orter t han the a ctual
shimmed length of the driveshaft.
IMPORTANT: Clean pinion and driveshaf t
before assembly. Replace any damaged parts.
Assemble th e drivesh aft bearing hou sing, thrust
washer, thrust bearing, and pinion onto the drive-
shaft. Use Driveshaft Seal Protector, P/N 318674,
when installing or removing the bearing housing.
Lightly coat the threads of the pinion nut with out-
board lubricant and tight en to a torque of 100 to
110 ft. lbs. (136 to 149 N·m).
IMPORTANT: The original pinion nut may be
used for shimming, but must NOT be used in final
assembly.
1. Inner seal
2. Outer seal
DR2061
DR2062
1. Driveshaft bearing housing
2. Thrust washer
3. Thrust bearing
4. Pinion gear
006911
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