Craftsman 247.88664 Snow Blower User Manual


 
5. Unhook the idler spring from the hex bolt on the
auger housing. See Figure 14.
6. Unhook the support bracket spring from the frame.
NOTE: It may be necessary to loosen the six nuts that
connect frame to auger housing to aid in belt removal.
7. Lift the auger belt from the auger pulley, and slip
belt between the support bracket and the auger
pulley. See Figure 13.
8. Reassemble with new auger drive belt.
Friction Wheel
Assembly
Pin
Pulley /
Idler Auger Bracket
Spring Housing Spring
Figure 14
Drive Belt
1. Follow first four steps of previous instructions.
2. Pull idler pulley up, and lift belt off engine pulley and
friction wheel disc. See Figure 13.
3. Using a wrench, loosen the nut on the stop bolt until
the support bracket rests on the auger pulley. See
Figure 15.
Friction
Wheel
Disc
NOTE: The support bracket must rest on the stop bolt
afterthe new belt has been assembled. See Figure 15.
Friction Wheel Rubber
1. Replace the friction wheel rubber if any signs of
wear or cracking are found.
_b WARNING: Disconnect spark plug wire and
ground it against 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.
2.
3.
4.
5.
.
7.
8.
9.
10.
Tip the snow thrower up and forward, so that itrests
on the housing. See Figure 17. Remove the six
self-tapping screws from the frame cover
underneath the snow thrower.
Remove the ktick 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.
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 four screws from the friction wheel
assembly shown in Figure 16. Remove the friction
wheel rubber from between the friction wheel plate.
Reassemble new friction wheel rubber to the
friction wheel assembly, tightening the screws in
rotation and with equal force.
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 14.
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 eadier.
Friction Wheel Rubber
4.
Figure 15
Slip belt between friction wheel and friction wheel
disc. See Figure 15. Remove and replace belt.
Reassemble in reverse order.
Plates
Figure 16
15