Drive Belt - Sears Craftsman 247.88790 Manual De Uso

Auger Belt
1. Tip the snow thrower up and forward, so that it rests
on the housing. Remove the self-tapping screws
from the frame cover underneath the snow thrower
and move the frame cover away. See Figure 15.
Frame Cover
Figure 15
2. Turn the shoulder screw a half a turn and slide it out
of the mounting bracket. See Figure 16.
3. Unhook spring to release tension on the auger belt.
Remove old belt and replace with new belt
installing it on the pulley. See Figure 16.
Shoulder
Screw
Mounting Bracket
Figure 16
4. Wrap auger belt around the auger pulley. See
Figure 16.
5. Re-insert shoulder screw into the mounting bracket
and tighten to secure.
6. Wrap auger belt behind the idler. Reattach the
spring to the bolt where it was earlier secured.
7. Re-install frame cover and flip the snow thrower
back to the operating position.
8. Wrap auger belt around the engine pulley.
9. Re-install belt cover with the self-tapping screws
removed earlier.

Drive Belt

1. Push idler counter-clockwise and insert a Phillips
head screwdriver in the hole on the idler as shown
in Figure 17. This will release tension on drive belt.
Auger
Pulley
Spring
17
Engine
Pulley
Drive Belt
Idler
Figure 17
2. Pull drive belt out and away from the engine pulley
to remove. See Figure 17.
3. Tip the snow thrower up and forward, so that it rests
on the housing. Remove the self-tapping screws
from frame cover underneath the snow thrower and
move the frame cover away. Refer to Figure 15.
4. Back out the stop bolt to create sufficient gap
between the friction wheel disc and the drive pulley.
Pull the drive belt from around the drive pulley and
clear it off the friction wheel disc. See Figure 18.
Drive
Belt
Stop
Bolt
Figure 18
5. Now moving to the other side of the snow thrower
again, slide the belt off the crankshaft.
6. Replace with new belt, first sliding it through the
crank shaft, then working it around the groove of
the drive pulley and finally wrapping it around the
engine pulley from where the old belt was removed.
Once the belt is firmly placed on the pulleys, make sure to remove the screwdriver from the idler.
7. Re-install auger belt on the engine pulley.
8. Re-attach frame cover on the snow thrower
housing and put the equipment back to operating
position. Re-attach belt cover with two self-tapping
screws removed earlier.
Auger Belt
Friction
Wheel
Drive Pulley