Craftsman 536.886440 - Manual (Page 25)

SERVICE AND ADJUSTMENT
position for the friction v\/heel. See
Figure 30.
2. Install the bottom panel. See
Figure 28.
3. Tighterr the bolts on each side of
the bottom panel.
4. Install the bolts on each side of the
bottom panel.
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.
1. Remove the gas from the gas tank.
Stand the snow thrower up on the
front end of the auger housing.
WARNING: Drain the gasoline
outdoors, away from fire or
flame.
A
2.
3.
4.
5.
6 .
Disconnect the spark plug wire.
Remove the top bolts on each side
of the bottom panel. See
Figure 28.
Loosen the bottom bolts on each
side of the bottom panel.
Remove the bottom panel.
Remove the three fasteners that
hold the friction wheel to the hub.
See Figure 31.
F-001087J
Figure 31
7. Remove the four bolts that hold the
bearing plates on each side of the
hex shaft. See Figure 32.
NOTE: Take special note of the
position of the washers and retain­
ing ring on the hex shaft and the
sprocket assembly.
Friction Wheel
lU
Bearing
Plate
9.
25
Figure 32
Remove the bearing plate from the
right side. Do not remove the hex
shaft. Leave the hex shaft in posi­
tion. Carefully raise hex shaft just
enough to allow the friction wheel
to be removed.
Remove the friction wheel from the
hub.
Slip the friction wheel toward
the right off the hex shaft. See
Figure 31.
10. Assemble the new friction wheel
onto hub with the fasteners re­
moved earlier.
11. Install the bearing plate onto the
right side. Make sure the hex shaft
is engaged with both bearing
plates
and that the washers and re­
taining ring are installed in the origi­
nal position. See Figure 32.