Carburetor Adjustment; Shave Plate And Skid Shoes - Craftsman 88846 - Professional 420 CC 45" 2 Stage Snow Thrower Operator's Manual

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
Figure20.
f
f ...............
Figure20
NOTE:Be carefulnotto get any oil on thealuminumdrive plateor
rubberfrictionwheel.Doingso will hinderthe snowthrower'sdrive
system.Wipeoff anyexcessor spilledoil.
Wheels
At least oncea season,removebothwheels.Cleanand coat theaxles
with a multipurpose automotivegreasebeforereinstalling 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 Figure21.
Bow=Tie Pins S pacers
Figure21
SHAVE PLATE AND SKID SHOES
The shaveplateand skid shoeson the bottomof the snowthrowerare
subjectto wear.They shouldbe checkedperiodically and replaced
when necessary.
Skid Shoes
NOTE:The skid shoeson this machinehavetwo wearedges.When
one sidewearsout, they can be rotated 1800 to use theotheredge.
1. Removethe six carriageboltsand hex nuts that securethetwo
skid shoes to the sidesof the auger housing.Referto Figure22.
19
Figure22
J