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14
replace the belt. Reassemble following the
instructions in reverse order. See Figure 17.
Figure 17
Servicing Friction Wheel Rubber
The rubber on the friction wheel is subject to wear and
should be checked after 25 hours of operation, and
periodically thereafter. Replace the friction wheel
rubber if any signs of wear or cracking are found.
• Drain the gasoline from the snow thrower or place a
piece of plastic under the gas cap.
• Tip the snow thrower up and forward, so that it rests
on the housing.
• Remove six screws from the frame cover
underneath the snow thrower.
• Remove the left wheel from the axle.
• Remove the four screws securing the left drive
cover to the frame. Remove the drive cover from
the side of the frame. See Figure 19.
Figure 18
• Holding the friction wheel assembly, slide the hex
shaft out of the left side of the unit. The spacer on
the right side of the hex shaft will fall and the
sprocket should remain hanging lose in the chain.
See Figure 19.
Figure 19
• Lift the friction wheel assembly out between the
axle shaft and the drive shaft assemblies.
• Remove the six screws from the friction wheel
assembly (three from each side). Remove the
friction wheel rubber from between the friction
wheel plates. See Figure 20.
Figure 20
• Reassemble new friction wheel rubber to the
friction wheel assembly, tightening the six screws in
rotation and with equal force.
• Insert the pin from the shift arm assembly into the
friction wheel assembly and hold assembly in
position. Refer to Figure 19.
• Slide the hex shaft through the left side of the
housing and through the friction wheel assembly.
• Insert the hex shaft through the sprocket and the
spacer. Make certain that the chain engages both
the large and the small sprocket.
Refer to Figure 19.
Friction
Wheel
Friction
Wheel Disc
Drive Belt
Drive
Cover
Friction
Wheel
Pin
Spacer
Sprocket
Friction Wheel Rubber
Screws
Screws
Friction Wheel Plates
Hub