MTD 31AE640F352 Manual Do Utilizador

14

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Follow steps 1 through 4 of previous instructions.

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Pull idler pulley up, and lift belt off engine pulley and 
friction wheel disc. See Figure 14.

•

Back out the stop bolt until the support bracket rests 
on the auger pulley. See Figure 16.

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Slip belt between friction wheel and friction wheel 
disc. Remove and replace belt. Reassemble 
following the instructions in reverse order.

NOTE: The support bracket must rest on the stop bolt
after the new belt has been assembled. See Figure 25.

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. See Figure 17.

•

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

•

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

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Using a wrench to hold the shaft, loosen, but do not 
completely remove, the hex nut and bell washer on 
left end of gear shaft. See Figure 17.

•

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

•

Slide the gear shaft to the right and slide the friction 
wheel assembly from the shaft. 

•

Remove the four screws from the friction wheel 
assembly. Remove the friction wheel rubber from 
between the plates. See Figure 18.

•

Reassemble new friction wheel rubber to the 
friction wheel assembly, tightening the four 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 the wheels and 
the frame cover.

 

shown resting on
its auger housing 

Note: The unit is