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Idiomas disponibles
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5.
Afterthe sparkplug is seated,tightenwith a spark plugwrenchto
compressthe washer.
NOTE:Wheninstallinga newsparkplug,tighten 1/2-turnafter the
spark plugseatsto compressthe washer.Whenreinstalling a used
spark plug,tighten 1/8-to 1/4-turn after the sparkplug seatsto
compressthe washer.
hot and can
ine.
CARBURETOR
ADJUSTMENT
Thecarburetoris notuseradjustable.ContactSearsParts& Repairfor
adjustment.
LUBRICATION
Drive and Shifting
Mechanism
At least oncea seasonor after every25 hoursof operation,remove
rear cover.Lubricateall chains,sprockets,gears,bearings,shafts,and
the shiftingmechanism.Useengineoil or a spray lubricant.Referto
Figure22.
NOTE:Beforetippingthe unit on the front housing,run thefuel tank
emptyso fueldoes notleak outof thefuel cap.
1.
Carefullypivotthe snowthrowerup and forwardso that it restson
theauger housing.
2.
Removethe frame coverfrom the undersideof the snow thrower
by removingthe self-tappingscrewswhich secureit. Referto
Figure27.
3.
Applya lightcoatingof engineoil (or 3-in-1oil) to the hexshaft.
See Fig. 22.
NOTE: Be carefulnotto get any oil on thealuminumdrive plateor
rubberfrictionwheel.Doingso will hinderthe snowthrower'sdrive
system.Wipeoff anyexcessor spilledoil.
4.
At least once a season grease the wheel axle with Arctic grease,
part number
737-0318. The grease fitting
is located
on the
wheel axle tube behind
the wheel axle support
bracket.
Rubber Friction
Wheel
Aluminum
Drive
Wheel Axle
Support
Bracket
Figure22
Wheels
At leastoncea season,removebothwheels.Cleanand coat the axles
with a multipurposeautomotive greasebeforereinstalling wheels.
Chute
Directional
Control
Once a season,lubricatethe eyebolt bushingand the spiralwith 3-in-1
oil.
Auger
Shaft
At leastoncea season,one at a time, removeall of theshearpins
from the auger shaft.Spraylubricantinsidethe hub of eachauger
spiralassemblyand aroundthe spacerson the augershaft.
Greasefittings can alsobe foundat each end of the augershaft.
Lubricate with a greasegun oncea season.See Figure23.
Gear Case
The augergear case is equippedwith a greasefitting. Lubricate with
greaseoncea season(orderpart number737-0168).See Figure6-2.
NOTE: Torelievepressure,removethe vent plug beforelubricatingthe
gear case.See Figure23. Failureto do so could resultin damageto
the gear case seals.
Augers
Eachof the auger spiralassembliesis securedto the spiralshaftwith
a shearpin and cotter pin.If the augershouldstrikea foreignobjector
ice jam, the snowthroweris designedso that the pinsmay shear.
1.
If augersdo not turn, checkto seeif pinshavesheared.
2.
Replacethe pinsif needed.Tworeplacementshearpinsand
cotterpins havebeen providedwith the snowthrower.Sprayan
oil lubricantintoshaft beforeinsertingnewpinsand securingwith
newcotter pins.See Fig.23.
Shear Pins
Vent Plug
Grease Fitting
2O
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