19
SERVICE AND MAINTENANCE
If you’re disassembling the friction wheel and replacing only the rubber
ring, proceed as follows:
1. Remove the four screws which secure the friction wheel’s side
plates together. See Figure 30.
2. Remove the rubber ring from between the plates.
3. Reassemble the side plates with a new rubber ring.
NOTE
: When reassembling the friction wheel assembly, make
sure that the rubber ring is centered and seated properly between
the side plates. Tighten each screw only one rotation before
turning the wheel clockwise and proceeding with the next screw.
Repeat this process several times to ensure the plates are
secured with equal force (between 6 ft-lbs and 9 ft-lbs).
NOTE:
Make sure the shift lever pin is in place in the bearing
housing. See Figure 28 inset.
4. Slide the friction wheel assembly back onto the hex shaft and fol-
low the steps above in reverse order to reassemble components.
5. After replacing the friction wheel, perform the Drive Control test
on page 17 in the Maintenance and Adjustments section.
5. Carefully remove the hex nut which secures the hex shaft to the
snow thrower frame and lightly tap the shaft’s end to dislodge the
ball bearing from the right side of the frame. See Figure 28.
NOTE:
Be careful not to damage the threads on the shaft.
6. Carefully position the hex shaft downward and to the left before
carefully sliding the friction wheel assembly off the shaft. See
Figure 29.
NOTE:
If you’re replacing the friction wheel assembly as a whole,
discard the worn part and slide the new part onto the hex shaft.
7. Follow the previous steps in reverse order to reassemble
components.
8. After replacing the friction wheel, perform the Drive Control test
on page 17 in the Maintenance and Adjustments section.
Figure 28
Figure 29
Figure 30
