Tracker Off-Road 800SX, Service Manual

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XR359
3. Secure the pinion gear in a bearing puller; then
remove the pinion bearing using a press. Account for
a collar and a bearing.
CC879
4. Remove any reusable parts from the gear case hous-
ing; then discard the housing and lock collar.
Assembling Pinion Gear
1. Install the bearing onto the pinion shaft. Install the
pinion shaft collar.
CC882
CC883
2. Place the pinion assembly in a bearing puller; then
install the bearing using a press.
CC884
3. Using a propane torch, heat the gear case housing to
approximately 200° F; then install the pinion assem-
bly.
4. Install the internal snap ring with the sharp side
directed away from the bearing.
WC429
Shimming Procedure/Shim Selection
It is very important to adjust bevel gears for the proper
running tolerances. Gear life and gear noise are greatly
affected by these tolerances; therefore, it is very import-
ant to properly adjust any gear set prior to final assembly.
The following procedure can be used on both front differ-
ential or rear drive gear case.
 NOTE: All bearings must be installed in the gear
case and the pinion properly installed before proceed-
ing.