Arctic Cat 660 cc Service Manual page 242

6. Slide the MAG-side bearing onto the driveshaft
(inner race flange must be positioned toward drive
chain); then install the O-ring and flange plate.
Secure with three carriage bolts and lock nuts.
Tighten to 2.2-2.5 kg-m (16-18 ft-lb).
NOTE: Prior to installation, lubricate the O-ring
with Low-Temp Snowmobile Grease (p/n 0636-
593).
7. Install the brake hub key into the driven shaft
keyway; then slide the driven shaft into position
through the PTO-side bearing bracket. Position the
brake disc between the brake pads; then slide the
driven shaft through the brake disc until fully
seated.
8. Install the PTO-side bearing with collar and flange
plates on the driven shaft; do not tighten the collar
at this time. Secure the PTO-side bearing and
flange plates with two carriage bolts and lock nuts.
Tighten to 2.2-2.5 kg-m (16-18 ft-lb).
9. On the MAG-side driven shaft, install the bearing,
O-ring, and flange plate. Secure with three lock
nuts. Tighten to 2.2-2.5 kg-m (16-18 ft-lb).
NOTE: Prior to installation, lubricate the O-ring
with Low-Temp Snowmobile Grease (p/n 0636-
593).
! CAUTION
Tighten the flange plate nuts evenly or the O-ring
seal may be damaged.
NOTE: If washers were removed from behind the
upper sprocket, install them at this time.
10. Install the spacer washer on the driveshaft.
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AO373A
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11. Install the bottom sprocket and driveshaft
extension.
12. Position one shim washer on the idler gear shaft.
13. Position the chain around the lower reverse
sprocket; then place the idler sprocket and top
sprocket into the chain. Slide sprockets into
position on the idler shaft and driven shaft.
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AF090
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