Sears 247.88853 Snow Blower User Manual


 
23
Reinstall the belt cover on front of the engine with
the two self-tapping screws and flat washers.
Reattach the chute crank to the chute assembly
with the hairpin clip and flat washer.
NOTE: Make sure that the auger cable is routed in front
of the belt.
Drive Belt
Check drive belt every 50 hours of operation for
wear and tear.
Drain the gasoline from the snow thrower, or place
a piece of plastic under the gas cap.
Remove the plastic belt cover on the front of the
engine by removing the two self-tapping screws.
Tip the snow thrower up and forward, so that it
rests on the housing.
Remove six self-tapping screws from frame cover
underneath the snow thrower.
Pull the idler pulley away from the drive belt and
remove the belt from the engine pulley. You will
find the idler pulley in front of the engine and under
the belt cover that you removed earlier. See
Figure 31.
Working from the underside of the frame, slip belt
between the friction wheel and the friction wheel
disc. See Figure 34. You may have to twist the belt
flat in order to slide it through the clearance
between the friction wheel and the friction wheel
disc. Remove the belt.
Install new belt. Reassemble following the
instructions in reverse order.
Figure 34
Changing Friction Wheel Rubber
Check the rubber on the friction wheel after 25
hours of operation, and periodically thereafter.
Replace the rubber if any signs of wear or cracking
are found.
Drain the gasoline from the snow thrower, or place
a piece of plastic under the gas cap.
Tip the snow thrower up and forward, so that it rests
on the housing.
Remove six screws from the frame cover
underneath the snow thrower.
Remove klick pin securing the left wheel, and
remove the wheel from the axle.
Remove the four screws securing the left drive
cover to the frame. Remove the drive cover from
the side of the frame. See Figure 35 .
Figure 35
Holding the friction wheel assembly, slide the hex
shaft out of the left side of the unit. The spacer on
the right side of the hex shaft will fall and the
sprocket should remain hanging lose in the chain.
Lift the friction wheel assembly out between the
axle shaft and the drive shaft assemblies.
Remove the four screws from the friction wheel
assembly. Remove friction wheel rubber from
between the friction wheel plate. See Figure 36.
Reassemble new friction wheel rubber to the
friction wheel assembly, tightening the four screws
in rotation and with equal force. It is important to
assemble the rubber on the friction wheel equally
for proper functioning. See Figure 36.
Friction
Wheel Disc
Drive Belt Location
Friction
Wheel
Drive
Cover