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5. Afterthe sparkplug is seated,tightenwitha spark plugwrenchto
compressthe washer.
NOTE:Wheninstallinga newsparkplug,tighten1/2-turnafterthe
sparkplugseatsto compressthe washer.Whenreinstallinga used
sparkplug,tighten 1/8-to 1/4-turnafter the sparkplug seatsto
compressthe washer.
hot andcan ine.
CARBURETOR ADJUSTMENT
Thecarburetoris notuseradjustable.ContactSearsParts& Repairfor
adjustment.
LUBRICATION
Drive and Shifting Mechanism
At leastoncea seasonor afterevery25 hoursof operation,remove
rearcover.Lubricateall chains,sprockets,gears,bearings,shafts,and
the shiftingmechanism.Useengineoil or a spraylubricant.Referto
Figure20.
f
f ...............
Figure20
NOTE:Becarefulnotto get any oilon thealuminumdrive plateor
rubberfrictionwheel.Doingso will hinderthe snowthrower'sdrive
system.Wipeoff anyexcessor spilledoil.
Wheels
At leastoncea season,removebothwheels.Cleanand coat theaxles
witha multipurposeautomotivegreasebeforereinstallingwheels.
Chute Directional Control
Once aseason,lubricatethe eyebolt bushingand the spiralwith 3-in-1
oil.
Auger Shaft
At leastoncea season,oneat a time, removeall of theshearpins
fromthe augershaft.Spraylubricantinsidethe hub of eachauger
spiralassemblyandaroundthe spacerson the augershaft.
Greasefittings can alsobe foundat each end of the augershaft.
Lubricatewitha greasegun oncea season.See Figure21.
Bow=Tie Pins S pacers
Figure21
SHAVE PLATE AND SKID SHOES
The shaveplateandskidshoeson the bottomof the snowthrowerare
subjectto wear.Theyshouldbe checkedperiodicallyand replaced
when necessary.
Skid Shoes
NOTE:The skidshoesonthis machinehavetwo wearedges.When
one sidewearsout, they can be rotated 1800to use theotheredge.
1. Removethe sixcarriageboltsandhex nutsthatsecurethetwo
skidshoesto the sidesof the augerhousing.Referto Figure22.
19
Figure22
J
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