Sears 486.248463 Snow Blower User Manual


 
19
STORAGE
CAUSE
PROBLEM
CORRECTION
Clogged discharge chute
Clogged discharge chute
Spiral augers stop turning
Snow thrower stalls tractor engine
1. Upper or lower V belt too loose 1. Increase tension on V belt
1. Upper or lower V belt too loose 1. Increase tension on V belt
2. Upper or lower V belt broken 2. Replace V belt
2. Upper or lower V belt broken 2. Replace V belt
3. Shear bolts are sheared. 3. Replace shear bolts in auger
3. Shear bolts are sheared. 3. Replace shear bolts in auger
1. Object jammed in spiral auger 1. Stop engine, disengage the snow
1. Object jammed in spiral auger 1. Stop engine, disengage the snow
thrower and clear the auger
thrower and clear the auger
2. Hard or heavy snow 2. Increase to full throttle and
2. Hard or heavy snow 2. Increase to full throttle and
decrease ground speed
decrease ground speed
Front wheels slide instead of steering
Front wheels slide instead of steering
Not enough traction at front wheels 1. Lower skid shoes, raising scrap er
Not enough traction at front wheels 1. Lower skid shoes, raising scrap er
plate to reduce resistance
plate to reduce resistance
2. Pull down slightly on lift handle to
2. Pull down slightly on lift handle to
temporarily increase weight on
temporarily increase weight on
front wheels
front wheels
Snow thrower rides up over snow
Snow thrower rides up over snow
1. Tractor ground speed too fast 1. Reduce ground speed
1. Tractor ground speed too fast 1. Reduce ground speed
2. Bottom snow is icy or hard packed 2. Lower the skid shoes so that front
2. Bottom snow is icy or hard packed 2. Lower the skid shoes so that front
of skid shoe is lower than the rear
of skid shoe is lower than the rear
Snow thrower rocks backward while
Snow thrower rocks backward while
blowing snow
blowing snow
Leveling shoes set too high Adjust leveling shoes as instructed
Leveling shoes set too high Adjust leveling shoes as instructed
in Service and Ad just ments section
in Service and Ad just ments section
STORAGE RECOMMENDATIONS
Lower the snow thrower to the ground and remove it
from the tractor.
Clean the snow thrower thoroughly. Wash off any salt
deposits which may have dried on the thrower and
housing.
Any bare metal that has become exposed should be
painted or coated with a light oil to prevent rust.
Store in a dry place.
REMOVING THE SPIRAL AUGER HOUSING
Raise the snow thrower to the transport position.
Release the spring tension from the auger belt idler
arm on the bottom of the clutch/idler assembly.
Remove the auger drive belt from the clutch/idler
assembly. See fi gure 23 on page 13.
Lower the snow thrower to the ground.
Remove the attachment pin and pull the auger
housing assembly off of the tractor. Refer to fi gure 20
on page 11.
HINT:
If the auger housing does not remove easily from
the tractor, try placing 1" or 2" blocks of wood under
the front skid shoes on the snow thrower. See the
instructions for fi gure 20 on page 11.
PARTS TO REMOVE AT END OF SEASON
Remove the "V" belt from the engine pulley and the
clutch/idler as sem bly. See fi gure 21 on page 12.
Remove the clutch/idler assembly. (The two hanger
brackets and the two frame brackets should not create
any interference with the mower deck and may be left
at tached to the tractor frame.)
If a rear mounted attachment is to be used, remove
the rear weight tray by re mov ing the two bolts which
fasten it to the tractor draw bar and by loosening the
two bolts fas ten ing the tray's brace arms to the tractor.
Be sure to re tight en the two bolts and nuts which
fastened the brace arms to the tractor. See fi gure 24
on page 13.
If a front mount ed at tach ment is to be used,
re move the side plates from the front of the tractor.
Be sure to reassemble the removed bolts and nuts to
the tractor frame. See fi gures 1 and 2 on page 6.
TROUBLESHOOTING
1. Tractor ground speed too fast 1. Use lower tractor gear
1. Tractor ground speed too fast 1. Use lower tractor gear
2. Tractor throttle set too low 2. Increase to full throttle
2. Tractor throttle set too low 2. Increase to full throttle
3. Snow too deep 3. Raise the snow thrower
3. Snow too deep 3. Raise the snow thrower
4. Snow melts during contact with 4. Allow snow thrower to cool to
4. Snow melts during contact with 4. Allow snow thrower to cool to
the snow thrower. outdoor temperature before using
the snow thrower. outdoor temperature before using