Sears Craftsman 536.886531 - Manual (Page 21)

TO REPLACE FRICTION WHEEL
11 the snow thrower will noS move forward, and the friction
wheel is worn or damaged, you need to replace it as
follows: (First allow the engine to cool.)
CAUTION: DRAIN GASOLINE OUTDOORS
AWAY FROM FIRE OR FLAME.
* Drain the gasoline from the fuel tank by removing
theluelline Drainthefuelandreinstalithefuelline
» Disconnect the spark plug wire
* Stand the snow thrower up on the auger housing
end (See Fig, 33),
• Remove the bottom panel (See Fig, 30, page 20)
® Removethethree (3) fasteners securingthe friction
wheel to hub (See Fig 32) and set fasteners aside
# Remove the four bolts securing the bearing plates
(both sides),
a Remove right side bearing plate. Leave Hex shaft in
original position (See Fig 33).
0 Remove friction wheel from hub Slip friction wheel
olf hex shaft towards right side (See Fig 33)
® Position new friction wheel onto hub
6 Install bearing plates to original position Ensure
hex shaft is engaged with both bearing piales
@ Secure bearing plates using bolts removed earlier
© Secure friction wheel to hub using fasteners re­
moved earlier Ensure hex shaft turns freely
NOTE: Ensure friction wheel and friction disc are free
from grease or oil
0 Replace bottom panel
0 Lower the snow thrower onto the tires
FRiCTlON WHEELs,^/^
r|^ L- tOCKWASHEB
BOLT
NUT
HEX SHAFT
BOLT ’^LOCKWABHER
FIG. 32
FRICTION WHEEL
HUB
HEX SHAFT
fasteners
(screws,
lockwashers,
and nuis)
BEARING
PLATES
AUGER
HOUSING
0i|
(UNIT STANDING ON
AUGER HOUSING END)
FIG, 33
21