White Outdoor 31AH7Q3G190 用户手册

14

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.

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Drain the gasoline from the snow thrower.

•

Tip the snow thrower up and forward, so that it rests 
on the housing.

•

Remove six self-tapping screws from the frame 
cover underneath the snow thrower.

•

Remove the click pins which secure the wheels, 
and remove the wheels from the axle.

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Using a 7/8" wrench to hold the shaft, loosen, but 
do not completely remove, the hex bolt and bell 
washer on the left end of gear shaft. See Figure 16.

•

Lightly tap the hex nut to dislodge the ball bearing 
from the right side of frame before removing the hex 
nut and bell washer from left end of shaft.

•

Move the gear shaft to the right and slide the friction 
wheel assembly from the shaft. See Figure 16.

•

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 16.

•

Reassemble new friction wheel rubber to the 
friction wheel plates and hub, tightening the six 
screws in rotation and with equal force.

•

Position the friction wheel assembly up onto the pin 
of the shift rod assembly, and slide the shaft 
through the assembly. Reassemble in reverse 
order.