Lubrication; Gear Shaft; Wheels; Auger Shaft - Craftsman 247.889703 Operator's Manual

3. Measurethe plug gap with a feelergauge.Correctas necessary
by bendingsideelectrode.See Figure20. Thegap shouldbe set
to .02-.03inches (0.60-0.80ram).
4. Checkthat thespark plug washeris in good conditionand thread
the sparkplug in by handto preventcross-threading.
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.
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Figure20
LUBRICATION
Gear Shaft
Thegear (hex)shaft shouldbe lubricatedat least oncea seasonor
afterevery 25 hoursof operation.
1. Topreventspillage,removeall fuel fromtank by runningengine
until it stops.
2. Carefullypivotthe snowthrowerup and forwardso that it restson
theauger housing.
3. Removethe lowerframecover fromthe undersideof the snow
throwerby removing the self-tappingscrewswhich secureit.
4. Applya lightcoatingof engineoil (or 3-in-1oil) to the hexshaft.
See Figure21.
NOTE:Whenlubricatingthe hexshaft, be carefulnotto get any oil on
thealuminumdriveplateor rubberfrictionwheel. Doingsowill hinder
the snowthrower'sdrive system.Wipeoff anyexcessor spilledoil.
Wheels
At least oncea season,removebothwheels.Cleanand coat theaxles
with a multipurpose automotivegreasebeforereinstalling wheels.
Figure21
Auger Shaft
At least oncea season,removethe shearpinson augershaft. Spray
lubricantinsideshaft,and aroundthe spacersand flangebearings
foundat eitherend of the shaft. See Figure22.
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Figure22
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