Craftsman 247.88890 Owner's Manual page 16

Auger Belts
6. Roll the front and rear auger belts off the engine
pulley. See Figure 19.
Support Bracket
Auger
Pulley
Auger
Belt
Figure 19
7. Unhook the idler spring from the hex bolt on the
auger housing. See Figure 20.
8. Back out the stop bolt until the support bracket
rests on the auger pulley. See Figure 20.
Support
Bracket
Stop
Bolt
Figure 20
9. Lift the auger belt from the auger pulley, and slip
belt between the support bracket and the auger
pulley. Repeat this step for the front auger belt. See
Figure 19.
10. Replace both auger drive belts.
NOTE: If you placed plastic film under the gas cap, be
certain to remove it before operating the snow thrower.
Drive Belt
1. Follow first six steps for servicing auger belts.
2. Pull idler pulley up and lift belt off the engine pulley
and friction wheel disc.
3. Back out the stop bolt until the support bracket
rests on the auger pulley. See Figure 20.
4. Slip belt between the friction wheel and drive disc.
Remove and replace the belt and reassemble.
NOTE: The support bracket must rest on the stop bolt
after the new belt has been assembled. See Figure 21
Replacing Friction Wheel Rubber
The rubber on the friction wheel is subject to wear and
should be checked every 25 hours of operation; replace
if any signs of wear or cracking are found.
1. Drain gasoline from snow thrower.
2. Tip the snow thrower up and forward, so that it rests
3. Remove four self-tapping screws from the frame
Idler Spring
4. Using a 7/8" wrench to hold the shaft, loosen, but
5. Lightly tap the hex nut to dislodge the ball bearing
16
Figure 21
on the housing.
cover underneath the snow thrower.
Hex Bolt &
Bell Washer
Track
Figure 22
do not completely remove, the hex bolt and bell
washer on the left end of gear shaft. See Figure 22.
from the right side of frame. Remove the hex nut
and bell washer from left end of shaft.
Drive
Disc
Support
Bracket
Drive
Belt
Idler
Pulley