321
GEARCASE – STANDARD ROTATION
SHIFTER, BEARING AND SEAL SERVICE
13
IMPORTANT: Spacers are different sizes and
cannot be interchanged.
Apply Needle Bearing grease to the needle bear-
ings and insert them into the bearing case. (Note:
“S2” Type has caged roller bearing.)
Place the bearing on the installer tool with the let-
tered side of the bearing facing the top of the
gearcase. Use Needle Bearing grease to hold the
bearing on the tool.
IMPORTANT: The pinion bearing is tapered so
that, when installed correctly, its shape compen-
sates for stresses in the gearcase and allows full
bearing contact. Whenever a gearcase is disas-
sembled, the pinion bearing should be checked to
ensure that it has been installed with the lettering
facing up.
Insert the tool with the bearing into the gearcase.
Drive the bearing into the gearcase until the
washer on the tool contacts the spacer.
Remove the tool.
Position new O-ring on the pinion bearing retain-
ing screw. Apply Gasket Sealing Compound to O-
ring. Apply Nut Lock to screw threads. Install the
screw and tighten to a torque of 60 to 84 in. lbs. (7
to 9.5 N·m).
Driveshaft Bearing Housing
Service
The driveshaft bearing is not serviceable. Replace
the bearing housing assembly if the bearing is
worn or damaged. Also, inspect the driveshaft
bearing surface if the bearing is damaged.
Seal Removal
Remove the driveshaft bearing housing seals
using Puller Bridge, P/N 432127, and Large Puller
Jaws, P/N 432129. Discard the seals.
Remove and discard the O-ring from the bearing
housing.
Clean the bearing housing in solvent to remove
sealer from the seal bore and the O-ring groove.
Seal Installation
Lightly apply Gasket Sealing Compound to a new
O-ring. Install the O-ring in top groove of the bear-
ing housing. Do not allow sealant in oil passage.
IMPORTANT: Do not install the O-ring in the
bearing housing’s bottom groove. The bottom
1. O-ring DRC7416
1
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