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21Section 7 — Service
7. Slip the drive belt off the pulley and between friction
wheel and drive pulley. See Figure 7-7.
Drive Belt
Drive Pulley
Sprocket
Figure 7-7
8. Remove and replace belt in the reverse order.
NOTE: Engaging the drive control will ease re-assembly of
the belt.
9. Reinstall the stop bolt.
Friction Wheel Removal
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.
1. Allow the engine to run until it is out of fuel. Do not
attempt to pour fuel from the engine.
2. Tip the snow thrower up and forward, so that it rests on the
housing.
3. Remove the self-tapping screws from the frame cover
underneath the snow thrower.
4. Using a ⁄” wrench to hold the gear shaft, remove the hex
bolt and bell washer on the left end of the gear shaft. See
Figure 7-8 and Figure 7-9.
NOTE: Tracks removed for clarity
Figure 7-8
5. Move the gear shaft to the right and slide the friction wheel
assembly from the shaft. See Figure 7-9.
Gear Shaft
Friction Wheel
Assembly
Figure 7-9