Craftsman 536.88644 HOW to Adjust or Replace the Friction Wheel, HOW to Adjust the Belt Guide

Models: 536.88644

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HOW TO ADJUST THE BELT GUIDE

1.Disconnect spark plug wire,

2.Remove the screw. Remove the belt cover. See Figure 22.

3.Engage the auger drive lever.

4.Measure the distance between the

belt guide and auger drive belt. The correct distance is 1/8 inch

(3.175 mm). See Figure 27.

_

Belt Guide

Figure 27

. If an adjustment is necessary, loos- en the mounting bolt for the belt guide. Move the belt guide to the correct position. Tighten the mounting bolt for the belt guide.

6.Install the belt cover. Tighten the screw. See Figure 22.

7.Connect the spark plug wire.

HOW TO ADJUST OR REPLACE THE FRICTION WHEEL

How To Check The Friction Wheel

If the snow thrower will not move for- ward, check the traction drive belt, the traction drive cable or the friction wheel. If the friction wheel is worn or damaged, it must be replaced. See "How To Re- place the Friction Wheel" in this section. If the friction wheel is not worn or dam- aged, check as follows.

1.Remove the gas from the gas tank. Stand the snow thrower up on the front end of the auger housing.

A WARNING: Drain the gasoline outdoors, away from fire or flame.

2.Disconnect the spark plug wire.

3.Remove the bolts on each side of the bottom panel. See Figure 28.

4.Loosen the bolts on each side of the bottom panel.

5.Remove the bottom panel.

Remove Top Bolt (each side)

Mount ....----_

 

 

Frame

I_

_

Auger

Loosen bottom

o

(Each Side)

Figure 28

6.Position the shift speed lever in the first forward gear.

7.Note the position of the friction wheel on the disc,drive plate (See

Figure 29). In the correct position, the right outer side of the disc drive plate must be three inches (7.62cm.) from the center of the friction wheel. If the friction wheel

is not in the correct position, adjust as follows.

Friction

Wheel

Drive

Plate

\

Figure 29

How To Adjust The Friction Wheel

1, Loosen the bolts on the speed control rod to optain the correct

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Craftsman 536.88644 HOW to Adjust or Replace the Friction Wheel, HOW to Adjust the Belt Guide, Remove Top Bolt each side