Arctic Cat Altera 300 Service Manual page 86

KM928
5. Heat the gear case to approximately 180° F and using
a blind-bushing puller, remove the pinion needle
bearing.
CLEANING AND INSPECTING
1. Clean all components in parts cleaning solvent and
dry with compressed air.
2. Inspect all bearings for excessive wear, discolor-
ation, roughness in turning, or flaking.
3. Inspect gears for excessive wear, chipped teeth, flak-
ing, or discoloration.
4. Inspect the gear case and cover for cracks, warpage,
or scoring of bearing bores.
5. If seals have not been removed and will be reused,
inspect for nicks, tears, missing tension springs, or
excessive wear on lips.
ASSEMBLING
1. Drive the bearings into the gear case and gear case
cover using an appropriate bearing driver. Make sure
the bearing is firmly seated.
KM926
KM928
2. Apply grease to the seal lips; then using a seal driver,
drive the seals into the gear case and cover (flat side
out) until flush with the seal bore.
KM927A
KM925A
3. Drive a new pinion needle bearing into the gear case;
then apply molybdenum disulfide grease to the nee-
dle bearing. Secure with the snap ring.
4. If the pinion bearing was removed from the pinion,
install the shim and bearing on the pinion shaft with
the marked-side of the bearing directed toward the
front of the pinion shaft.
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