Craftsman 247.886640 - Manual (Page 18)

Drive Belt
• Follow lirst four steps of previous instructions.
• Pull idler pulley up, and lift belt off engine pulley and
friction wheel disc. See Figure 24.
• Using a wrench, loosen the nut on the stop bolt until
the support bracket rests on the auger pulley. See
Figure 26.
Friction
Wheel
Friction VWiMi
Figure 26
• Slip belt between friction wheel and friction wheel
disc. See Figure 26. Remove and replace belt.
Reassemble in reverse order.
NOTE: The support bracket must rest on the stop bolt
after the new belt has been assembled. See Figure 26.
Replacing Friction Wheel Rubber
Replace the friction wheel rubber it any signs of wear or
cracking are found.
WARNING: Disconnect spark plug wire
and ground it against the engine to prevent
unintended starting. Drain fuel into an
approved container or place a piece of plastic
film underneath the gas cap to prevent
gasoline from leaking.
Tip the snow thrower up and forward, so that it rests
on the housing. See Figure 19. Remove the six self-
A
tapping screws from the frame cover underneath
the snow thrower.
• Remove the klick pins which secure the wheels,
and remove the wheels from the axle.
Using a wrench to hold the shaft, loosen, but do not
completely remove, the hex nut and bell washer on the
left end of gear shaft. See Figure 27.
Figure 27
Lightly tap the hex nut to dislodge the ball bearing
from the right side of the frame. Remove the hex
nut and bell washer from the left end of the shaft.
Slide the gear shaft to the right, then slide the
friction wheel assembly from the shaft.
Remove the six screws from the friction wheel
assembly (three from each side). See Figure 28.
Remove the friction 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. See Figure 28.
Slide friction wheel assembly back onto the gear
shaft. Be sure to align the pin on the shift rod with
hole in the friction wheel assembly. See Figure 25.
Reassemble gear shaft and the wheels. Reattach
the frame cover. Flip snow thrower back to its
operating position and remove any plastic from
under the machine or around the gas cap if you had
put it earlier.
Screws
Friction Wheei Rubber
/
Hub
Screws
Friction Wheei.
Plates
Figure 28
18