Snow Commander Service Manual 4 - 5
DRIVE SYSTEM
2. Before tightening the setscrews on the engine
pulley, the alignment of the pulleys needs to be
checked (Figure 49). Measure from the side plate
to the outer pulley flange. Adjust the pulley until
the gap is 1” (25.4mm).
Figure 49
mvc-504
Torque the square head setscrew to 120 - 150 in.
lbs. (1355 - 1694 N·cm). Torque the Allen head
setscrew to 60 - 80 in. lbs. (678 - 904 N·cm).
Torque the capscrew securing the rotor pulley to
100 in. lbs. (1125 N·cm).
3. The idler pulley must be installed with the longer
hub towards the brake arm (Figure 50). If it is
installed backwards, it will not rotate when
tightened down. Torque the shoulder bolt to 170 -
250 in. lbs. (1920 - 2824 N·cm).
Figure 50
3428-0245
4. Check the belt adjustment even if the belt was not
replaced. Most belt failures are due to not
maintaining proper adjustment. Refer to "Rotor
Control Cable" on page 5 - 1.
Rotor Bearing Replacement
1. To replace the rotor bearings, remove the belt
cover, belt and rotor pulley as shown in the
preceding steps.
2. Remove the three nuts and bolts attaching the
bearing and bearing retainers to each side plate
(Figure 51).
Figure 51
3428-0273
(A) Hub
A
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