Sears 536.884821 Snow Blower User Manual


 
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CAUTION: ALWAYS DISCONNECT THE I
SPARK PLUG WIRE AND 'TIE BACK
AWAY FROM THE PLUG BEFORE MAK-
ING ANY ADJUSTMENTS OR REPAIRS.
iii .
TO ADJUST SKID HEIGHT
This snow thrower isequipped withtwo height adjust-
merit skids, located onthe outside ofthe augerhousing
(See Fig. 20)°These skids elevate the frontofthe snow
thrower. For normal hard surfaces, adjust the skids as
follows:
e Make sure the weight transfer system is released
by holding upper handle firmlyand pushing down
weighttransfer pedal with the ball of your foot.
® Place extra shear bolts suppiied (found in parts
bag) under each end ofthe scraperbar near butnot
under the skid..
e Loosen the skid mounling nuts (See Fig. 20) and
push the skid down until it touches the ground..
Retighten the mounting nuts.
® Set the skid on the other side at same heighL
For rocky or uneven surfaces, raise the frontof the snow
thrower by moving the skids down furthers.This wifl help
prevent rocks and other debris from being picked up and
thrown by the auger
NOTE: if the skids are at the maximum height, the weight
transfer system will not work..
TO ADJUST SCRAPER BAR
After considerable use, the metal scraper bar will have
a detinite wear patternr The scraper bar may have to be
returned to its odginal lower setting to maintain the
original performance lever. To adjust:
o Position the snow thrower on a level surface
o Loosen the carriage bolts and nuts securing the
scraper bar _othe auger housing.
o Adjust the scraper bar to the proper position.
® Tighten the carriage bolls and nuts, making sure
:hat the scraper bar is parallel with the working
surface.
CAUTION: BE CERTAIN TO MAINTAIN
PROPER GROUND CLEARANCE FOR
YOUR PARTICULAR AREA TO BE
CLEARED. OBJECTS SUCH AS
GRAVEL, ROCKS OR OTHER DEBRIS,
IF STRUCK BY THE IMPELLER, MAY BE
THROWN WITH SUFFICIENT FORCE TO
CAUSE PERSONALINJU RY, PROPERTY
DAMAGE OR DAMAGE TO THE SNOW
THROWER.
SKID MOUNTING NUTS
AUGER HOUSING
HEIGH3 r ADJUST SKiD
0
i
FIG. 20
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Afler extended operation_thescraper bar may be
reversed ifthe scraperbar mustbereplaceddueto
wear, removethecarriagebottsand nutsandinstall
a newscraper bar.
TO ADJUST CHUTE
CRANK ASSEMBLY
tf you cannot rotate the chute crank fullyto the left and to
the right,you need to adjustthe chutecrank (See Fig. 21)
e Loosen both 1t2" nuts on the crank adjusting rod
(using 3/4" wrenches).
e Rotate the adjusting rod in or out to allow about
1/8" clearance between the notch inthe flange and
the ouler diameter of the worm..
e Once this clearance isset, tighten the nuts
NOTE: Be sure the crank does not touch the side of the
engine or the cover will be scratched°
PLASTIC
CAP COTTER/-'_.
NOTCHED SECTION
FIG. 21
17