Arctic Cat 660 cc Service Manual page 212

12. Inspect the stationary sheave and shaft for damage
or wear.
ASSEMBLING
KEY
1. Stationary
Sheave
2. Movable Sheave
3. Pin
4. Lock Nut
5. Cam Arm
KEY
1. Stationary
Sheave
2. Movable Sheave
3. Bearing
4. Pin
5. O-Ring
! WARNING
Never reuse the lock nuts on the cam arm pins.
1. On the 9-post style, place a cam arm with bushing
and washers into position on the movable sheave;
then secure with the cam arm pin and lock nut.
Carefully tighten the lock nut until it contacts the
cam arm pin shoulder; then tighten an additional 1/
8 turn. Repeat procedure on the other two cam
arms making sure the head of each pin is
positioned toward the direction of drive clutch
rotation.
Back
8-12
6. Bearing 12. Plug
7. Washer 13. Retainer Nut
8. Spacer 14. Spring
9. Spacer Washer 15. Cover
10. Spider Assy 16. Lock Washer
11. Torque Button 17. Machine Screw
6. Cam Arm 12. Nut
7. Set Screw 13. Cover
8. Lock Nut 14. Lock Washer
9. Spacer Washer 15. Machine Screw
10. Spider Assy 16. Torque Button
11. Spring 17. Plug
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NOTE: The drive clutch rotates counterclock-
wise.
KEY
1. Lock Nut
2. Cam Arm
3. Bushing
4. Washer
5. Pin
2. Place a roller and washers (one on each side of the
roller) into position on the spider; then install the
pin. Repeat procedure on the other two rollers.
0738-924
3. Place the spider buttons into position; then tap into
place until firmly seated.
NOTE: If a spider button does not fit tightly, it
must be replaced.
4. Align the spider and movable sheave timing
marks.
Failure to align the spider and movable sheave
0739-035
timing marks will cause drive clutch to be out of
balance resulting in clutch and crankshaft
damage.
5. Place the movable sheave, spacer washers, and
spider into position on the stationary sheave hub.
Make sure all threads are clean and free of oily
residue. Apply green Loctite #620 to the entire
threaded area of the shaft and thread the spider
onto the shaft. Tighten the spider using the spider
removal tool to 34.5 kg-m (250 ft-lb).
NOTE: Allow the Loctite to cure at room temper-
ature for 24 hours.
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! CAUTION
733-452B
AM071D
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