Arctic Cat Sno Pro 120 2011, Service Manual

Page: 343 / 535

6-20
1. Wash the gear case halves and unsealed bearing in
parts-cleaning solvent.
2. Inspect the gear case halves for trueness, scoring, pit-
ting, scuffing, or any imperfections in the casting.
3. Inspect all threaded areas for damaged or stripped
threads.
4. Inspect the bearing areas for cracks or excessive
bearing movement. If evidence of excessive bearing
movement is noted, replace the component.
5. Inspect the gears for wear, cracks, or chipped teeth.
6. Inspect the input shaft/transfer gear bearings for
wear, scoring, scuffing, damage, or discoloration.
Rotate the bearings. Bearings must rotate freely and
must not bind or feel rough. If any abnormal condi-
tion is noted, replace the bearing.

NOTE: The output shaft bearing is a non-service-
able component. If any damage or binding is noted,
the output shaft assembly must be replaced.
7. Apply a light film of Arctic Cat Synthetic ACT
Drive Fluid to the unsealed bearings prior to assem-
bling.
ASSEMBLING GEAR CASE
(w/Reverse)
1. With the narrow, raised edges of the seal (A) facing
outward and using an appropriate seal installation
tool, install the oil seal into the output shaft opening
of the gear case.

NOTE: Grease must be applied to the seal prior to
installing.
ZJ303A
ZJ304

NOTE: Always install the seal with the wide, raised
edge of the seal facing against the seal surface of the
gear case.
ZJ305A
2. Place the output shaft assembly into position in the
slider housing; then secure the assembly to the hous-
ing with the thrust washer and retaining ring.
ZJ200
3. Using a suitable bearing press, install the bearing
onto the ring gear.
ZJ199
4. In order, install the thrust washer and then the thrust
bearing onto the transfer gear shaft.
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