Storage; Troubleshooting - Craftsman 486.248460 Owner's Manual

46"- 2 stage snow thrower tractor attachment
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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 hoqsing.
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 figure 18 on page 11.
Lower the snow thrower to the ground.
Remove the attachment
pin and pull the auger
housing assembly off of the tractor. Refer to figure
15 on page 10.
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 figure 15 on page 10.
PARTS
TO REMOVE
AT END OF SEASON
Remove the "V" belt from the engine pulley and the
clutch/idler assembly, See figure 16 on page 10.
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 attached to the t)'actor frame.)
If a rear mounted attachment
is to be used, remove
the rear weight tray by removing the two bolts
which fasten it to the tractor draw bar and by
loosening the two bolts fastening the tray's brace
arms to the tractor. Be sure to retighten the two
t_olts and nuts which fastened the brace arms to
the tractor. See figure 19 on page 12.
If a front mounted attachment
is to be used,
remove the side plates from the front of the tractor.
Be sure to reassemble
the removed bolts and nuts
to the tractor frame. See figures 1 and 2 on page 6.
PROBLEM
Spiral augers stop turning
Clogged discharge
chute
Snow thrower stalls tractor engine
Front wheels slide instead of steering
CAUSE
1. Upper or lower V belt too loose
2. Upper or lower V belt broken
3. Shear bolts are sheared,
1. Tractor ground speed too fast
2. Tractor thl'ottle set too low
:3. Snow too deep
4. Snow melts during contact with
the snow thrower.
I 1. Object jammed in spiral auger
2. Hard or heavy snow
Not enough traction at front wheels
CORRECTION
1. Increase tension on V belt
2. Replace V belt
3. Replace shear bolts in auger
1. Use lower tractor gear
2. Increase to full throttle
3. Raise the snow thrower
4. Allow snow thrower to cool to
outdoor temperature
before using
1. Stop engine, disengage the snow
thrower and clear the auger
2. Increase to full throttle and
decrease ground speed
1. Lower skid shoes, raising scraper
plate to reduce resistance
2. Pull down slightly on lift handle to
temporarily
increase weight on
front wheels
Snow thrower rides up over snow
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
of skid shoe is lower than the rear
Snow thrower rocks backward while
Leveling shoes set too high
Adjust leveling shoes as instructed
blowing snow
:
in Service and Adjustments
section
17

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