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6. Align the left side of the new rotor with the coupler.
Note: The 3 bosses on the rotor end must align with
the slots on the coupler (Fig. 15).
4
1
2
3
Figure 15
1. Coupler
2. Boss
Note: When mounting the coupler to the drive hex,
align the coupler tabs to the inside.
7. Slide the right side of the rotor into the mounting
position.
8. Insert the rotor shaft through the rotor and ensure that
the shaft fits into the bearing on the right side.
9. Torque it to at least 10 ft-lb (14 N⋅m).
10. Install the cover and the skid.
Replacing the Large Belt
1. Remove the 3 screws that secure the left side plate to
the snowthrower frame (Fig. 13).
2. Remove the side plate and the skid.
Caution
The idler spring could fly in your face while you
remove it, causing personal injury.
Wear safety goggles when working with the idler
spring.
1518
3. Slot
4. Drive hex
11
3. Remove the idler spring from the idler arm (Fig. 16).
2
Figure 16
1. Idler spring
4. Rotate the rotor with your left hand while sliding the
belt off the large pulley with your right hand (Fig. 17).
2
1
Figure 17
1. Large pulley
5. Slip the new belt over the small pulley (Fig. 18).
Figure 18
1. Idler arm
2. Idler pulley
6. Lift up the idler arm and slip the belt under the idler
pulley (Fig. 18).
1
1526
2. Idler arm
1527
2. Belt
1
2
3
1528
3. Small pulley
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