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Two Stage Snowthrower Drive Systems Manual 3 - 5
Traction Drive Systems
Assembly
1. Slide the pillow block bearing, reverse plate (with
the hub side away from the pulley), thrust washer,
bearing (hub side facing the reverse plate), thrust
washer, and spacer onto the drive shaft. Drive the
roll pin through the spacer and shaft. Secure the
reverse plate with the cap screw and locknut
(Figure 80).
Figure 80
2768-046
2. Install the pillow block bearing loosely. Secure the
rear bearing to the center frame.
3. The shaft should be parallel to the sides of the
chassis (Figure 81). The pillow block bearing has
slotted mounting holes to provide adjustment.
Tighten the cap screws on the pillow block
bearing. While rotating the pulley, strike the pillow
block bearing with a rubber mallet (Figure 82).
This helps the bearing align itself with the shaft. If
the shaft turns with difficulty, loosen the cap
screws on the pillow block bearing and rotate the
pulley. Then secure the cap screws.
Figure 81
2768-041
Figure 82
2768-047
1
2
3
4
5
6
1
.
Pill
ow
bl
oc
k
b
ear
i
ng
2. Reverse plate
3. Pulley/forward plate
4
.
R
ear
b
ear
i
ng
5. Spacer
6. Thrust washer
1
1. Pillow block bearing