Craftsman 536.881851 Operator's Manual page 30

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