Arctic Cat 660 cc Service Manual page 300

INSPECTING
NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is
necessary.
1. Inspect the driveshaft for damage and for stripped
threads.
2. Inspect the bearings for roughness or damage.
INSTALLING
KEY
1. Lock Washer
2. Carriage Bolt
3. Bearing
4. Track Drive Assy
5. Drive Sprocket
6. Driveshaft
7. Key
8. Chain Sprocket
9. Lock Nut
10. Cap Screw
11. Washer
12. Chain
13. Spacer
NOTE: The snowmobile should be tipped on its
side for this procedure.
! CAUTION
A piece of cardboard should be used to protect
the finish on the hood.
1. Place the track into position in the tunnel.
2. Slide the driveshaft assembly into position in the
tunnel; then secure with carriage bolts and lock
nuts. Tighten securely.
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3. Inspect the track for cuts, gouges, or wear.
4. Inspect the keyways in the driveshaft and in the
chain sprocket for wear or damage.
5. Inspect the chain and chain sprocket for damage or
wear.
6. Inspect the track drive sprockets for wear or dam-
age.
3. Place the upper idler wheel assembly into position
in the tunnel; then secure with cap screws. Tighten
securely.
4. Install the skid frame (see Installing Skid Frame in
this sub-section).
5. Place the snowmobile in the upright position.
6. Place the key on the driveshaft; then slide the
chain sprocket w/chain onto the driveshaft. Secure
with a cap screw (coated with blue Loctite #243),
lock washer, and washer. Tighten securely.
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