Craftsman 536881851 - Manual (Page 30)

SERVICE AND ADJUSTMENT
How To Replace The Friction Wheei
If the friction wheel is worn or damaged,
the snow thrower will not move forward.
The friction wheel must be replaced as
follows.
1. Run the engine until the fuel tank is
empty and the engine stops.
2. Stand the snow thrower up On the
front end of the auger housing (4).
(see Figure 37).
3. Disconnect the spark plug wire.
4. Remove the fasteners that secure
the right wheei. Remove the right
wheei from the axie (see Figure 40)
5. Loosen the boits on each side of
the bottom panei.
6. Remove the bottom panei.
7. Remove the fasteners that secure
the drive sprocket to the axie (see
Figure 41).
8. Remove the left wheel, axle, and
drive sprocket.
9. Remove the four boits that hold the
bearings on each side of the hex
shaft (see Figure 42).
10. Remove the hex shaft and bear­
ings.
NOTE: Take special note of the posi­
tion of the washers on the hex shaft.
Bolt
j
Bottom Panel Wheel
Figure 40
Chain
Figure 41
Bolts
Figure 42
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