Sears 247.88557 - Manual (Page 17)

Front Auger
Drive Belt
FIGURE 23
DRIVE BELT
• Remove the plastic belt cover on the front of the
engine by removing the two self-tapping screws.
See figure 21.
• 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 four self-tapping screws from the frame
cover underneath the snow thrower.
• Pulling the idler pulley upward, roll belt off the idler
and engine pulleys and lift belt off friction wheel disc.
• Back out the stop bolt until the support bracket
rests on the auger pulley. See figure 24.
Tip the snow thrower up and forward, so that it
rests on the housing.
Remove four self-tapping screws from the frame
cover underneath the snow thrower.
Using a 7/8" wrench to hold the shaft, loosen, but do
not completely remove, the hex bolt and bell washer
from the left end of the shaft. See figure 25.
FIGURE 24
• Slip belt between friction wheel and friction disc
plate. See figure 24. Reassemble by following the
instructions.
NOTE: The support bracket must rest on the stop bolt
after the new belt has been assembled. See figure 24.
FRICTION WHEEL RUBBER
The rubber on the friction wheel Is subject to wear and
should be checked after 25 hours of operation, and
periodically thereafter. Replace the friction wheel rub­
ber 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.
Move the weight transfer lever to the packed snow
position. Refer to figure 16.
Lightly tap the head of bolt to dislodge the ball
bearing from the right side of frame, then remove
hex bolt and bell washer from left end of shaft.
Sliding the shaft to the right, remove the spacer,
sprocket, and friction wheel assembly from the
shaft. See figure 26.
Remove the six screws from the friction wheel
assembly (three from each side). Remove the fric­
tion wheel rubber from between the friction wheel
plate.
Reassemble new friction wheel rubber to the
friction wheel assembly, tightening the six screws
in rotation and with equal force.
Position the friction wheel assembly up onto the
pin of the shift rod assembly, and slide the shaft
through the friction wheel. See figure 26.
Slide the shaft into the hex I.D. of the sprocket, the
spacer, and the left ball bearing, and secure with
the bell washer and hex bolt. See figure 26.
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