Yard-Man 31AH553G401 manual Changing Friction Wheel Rubber, Drive Belt

•Unhook the idler spring from the hex bolt on the auger housing. See Figure 19.

•Back out the stop bolt until the support bracket rests on the auger pulley. See Figure 20.

NOTE: It may be necessary to loosen the six nuts that connect the frame to the auger housing to aid in belt removal.

•Lift the rear auger belt from the auger pulley, and slip belt between the support bracket and the auger pulley. See Figure 19. Repeat this step for the front auger belt.

Support

Bracket

Rear
Auger
Belt	Frame

Front

Auger

Belt

Auger

Pulley Idler Auger Support

Bracket

Spring Housing Spring

Figure 19

•Replace both auger drive belts by following instructions in reverse order.

NOTE: If you placed plastic film under the gas cap, be certain to remove it before operating the snow thrower.

Drive Belt

•Follow the first four steps of instructions to service the auger belts.

•Pull idler pulley up, and lift belt off engine pulley and friction wheel disc. See Figure 18.

•Back out the stop bolt until the support bracket rests on the auger pulley. See Figure 20.

•Slip belt between friction wheel and friction wheel disc. See Figure 20. Remove and replace belt.

•Reassemble the parts removed earlier.

NOTE: The support bracket must rest on the stop bolt after the new belt has been assembled. See Figure 20.

Friction Wheel

Drive Plate

Drive Belt

Stop Bolt

Support Bracket

Figure 20

Changing 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 self-tapping screws from the frame cover underneath the snow thrower. See Figure 21.

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

Friction Spacer

Wheel

Hex

Shaft

Drive Shaft

Drive Cover

Self-Tapping

Screws

Self-Tapping

Screws

Figure 21

•Remove the four screws securing the left drive cover to the frame. Remove the drive cover. See Figure 21.

15