Yard-Man 31AE993J401 manual Drive Belt, Changing Friction Wheel Rubber

Models: 31AE993J401

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Changing Friction Wheel Rubber

Brake Bracket Assembly

Auger Belt

assembly and secure with flat washer and cotter

pin. Reassemble the large shoulder bolt and lock

Idler Pulley

 

washer. Refer to Figure 17.

 

Auger Pulley

 

• Reassemble belt cover and chute crank.

 

 

 

 

Changing Friction Wheel Rubber

 

 

The rubber on the friction wheel is subject to wear and

 

 

should be checked after the first 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.

Belt Keepers

Hex Screw &

• Remove six screws from the frame cover

underneath the snow thrower. Refer to Figure 10.

Belleville Washer

 

Figure 18

• Remove the left wheel from the axle.

• Using a 7/8” wrench, hold the hex shaft and remove

 

 

NOTE: The brake puck must always be firmly seated in

the hex bolts and cupped washer and bearing from

the pulley groove when the auger control is in the

left side of the frame. See Figure 20.

disengaged position.

 

Shift Arm Assembly

Drive Belt

 

 

• Unhook the extension spring from the belt cover

Sprocket

plate. See Figure 19.

 

Spacer

 

 

• Remove drive belt from the engine pulley and

Pin

bottom drive pulley.

 

 

 

• Replace belt and reassemble in reverse order.

 

• Reassemble the two halves of the unit hooking the

 

lower portion of the auger housing over the

 

stationary shoulder bolts in the frame assembly.

 

 

Belt Cover

Friction Wheel

 

 

 

 

Friction Wheel Plates

 

Extension

 

 

Spring

 

 

Drive Belt

Bearing

 

 

Screws

 

 

Friction Wheel

Figure 19

Rubber

• Secure the two halves with the two bolts and lock

Hub

 

 

 

 

washers removed earlier. Refer to Figure 16.

 

 

 

 

 

 

 

 

 

• Attach the “Z” fitting of the cable into the brake

 

Figure 20

bracket assembly. Refer to Figure 17.

• Holding the friction wheel assembly, slide the hex

• Slip the auger control belt over engine pulley.

shaft out of the left side of the unit. The spacer on

• Insert ferrule on auger idler rod into bracket

 

 

 

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Image 15
Yard-Man 31AE993J401 manual Drive Belt, Changing Friction Wheel Rubber