To Replace Friction Wheel - Craftsman 536.886621 Owner's Manual

SERVICE AND ADJUSTMENTS
TO REPLACE FRICTION WHEEL
If the snowthrower willnot move torward,and the friction
wheel is worn or damaged, you need to replace it as
follows:(First allow the engine to cool.)
• Drainthe gasolinefrom the luel tank by removingthe
fuel lineat the carburetor.Drain the fuel in a container
and reinstallthe fuel line.
• Disconnectthe spark plug wire.
• Standthe snowthrowerup onthe augerhousingend.
• Remove the bottompanel (See Fig. 30).
• Remove the three (3) fasteners securingthe friction
wheel to the hub (See Fig. 31).
• Remove the four bolts securing the bearing plates
(both sides). (See Fig. 32).
• Remove rightside bearing plate. Leave hox shaft in
originalposition.
• Remove frictionwheel from hub. Slipfrictionwheel ofl
hex shaft towards right side.
• Slip new friction wheel onto hub with recessed or
cupped end away from hub. (See Fig. 31).
• Installhearing plates to originalposition.Ensure hex
shaft is engaged with both bearing plates.
• Secure bearing plates, usingbolts removed earlier.
• Secure frictionwheel to hubusingfasteners removed
earlier.Ensure hex shaftturns freely.
• NOTE: Ensurefriction wheel and friction discare treefrom
grease or oil.
• Replace bottom panel
• Lower the snow thrower onto the tires.
BE. O VE
= _ _ BOTTOM
' PANEL
LOOSEN
BOLT
FIG. 30
FRICTION WHEEL "
SOLT.1"i
BOLT
LOCKWASHER
HEX SHAFT
LOCKWASHER
FIG. 31
FRICTION WHEEL
\
\
HUB
HEX SHAFT
/
BEARING
PLATE
BOLTS
BEARING
BOLTS
FASTENERS
-"'--"-AUGER
(UNITSTANDING ON
AUGER HOUSING END)
FIG. 32
23