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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 Fig. 7-9.
NOTE: Be careful not to damage the threads on the shaft.
Carefully position the hex shaft downward and to the left
before carefully sliding the friction wheel assembly off the
shaft. See Fig. 7-10.
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.
5.
6.
Figure 7-9
Figure 7-10
Follow the previous steps in reverse order to reassemble
components. If you’re disassembling the friction wheel and
replacing only the rubber ring, proceed as follows:
Remove the four screws which secure the friction wheel’s
side plates together. See Fig. 7-11
Remove the rubber ring from between the plates.
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).
Slide the friction wheel assembly back onto the hex shaft
and follow the steps above in reverse order to reassemble
components.
1.
2.
3.
4.
Figure 7-11
21sectiOn 7 — service