Sears Craftsman 536.885921 Owner’s Manual página 22

SERVICE AND ADJUSTMENTS ...........
TO REPLACE FRICTION WHEEL
If the snow thrower will not move forward, and the frictio n
wheel is worn or damaged, you need to replace it, as follows: (First allow the engine to cool).
CAUTION: DRAINGASOLINEOUTDOORS
I
AWAY FROM FIRE OR FLAME.
® Drain the gasoline from the fuel tank.
• Disconnect the spark plug wire
e Stand the snow thrower up on the auger housing
end (See Fig. 36).
• Remove the bottom panel (See Fig. 34)_
• Remove ball joint from shift yoke assembly (See
Fig., 33, page 2i).
• Remove the three (3) fasteners securing the friction
wheel to the hub (See Fig. 35), and set fasteners
aside
® Remove the four bofts securing bearing plates (both
sides) (See Fig. 36)
FIG. 34
® Remove the right side bearing plate Leave hex
shaft in original position.
e Remove friction wheel from hub. Slip friction wheel
off hex shaft towards right side.
• Position new friction wheel onto hub. See Fig 36
Install bearing pfates to original position Ensure
hex shaft is engaged with both bearing plates
• Secure bearing plates using bolts removed earlier.
• Secure friction wheel to hub using fasteners re-
moved earlier. Ensure hex shaft turns freely
= Reinstall ball joint to shift yoke assembly.
• Should friction wheel require adjustment, see To
Adjust The Friction Wheel on page 21
DISC
FRtCTtO WHEEL
LOCKWASHER
BOLT
HEX SHAFT
BOLT
HUB
NUT
FIG. 35
HUB
PLATE
BOLTS
PLATE
FRICTION
..... ,..,\. WHEEL
i
(UNIT STANDING ON
AUGER HOUSING END)
FIG_ 36
NOTE: Ensure friction wheel and friction disc are free
from grease or oil.
e Replace bottom panel
22