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3. Measurethe pluggapwitha feelergauge.Correctas necessary
by bendingsideelectrode.SeeFigure15.The gap shouldbe set
to .02-.03inches (0.60-0.80ram).
4. Checkthat thespark plug washeris ingoodconditionand thread
the sparkplug in by handto preventcross-threading.
5. Afterthe sparkplug is seated,tightenwith a spark plugwrenchto
compressthe washer.
NOTE:Wheninstallinga newsparkplug,tighten1/2-turnafterthe
sparkplugseatsto compressthe washer.Whenreinstallinga used
sparkplug,tighten 1/8-to 1/4-turnafter the sparkplugseatsto
compressthe washer.
hot and can ine.
f
Electrode
.02=.03 in.
(0.60=0.80 rnrn)
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Figure15
LUBRICATION
Gear Shaft
Thegear(hex)shaft shouldbe lubricatedat leastoncea seasonor
afterevery25 hoursof operation.
1. Topreventspillage,removeall fuel fromtank by runningengine
until it stops.
2. Carefullypivotthe snowthrowerupand forwardso that it restson
theaugerhousing.
3. Removethe lowerframecoverfromthe undersideof the snow
throwerby removingthe four self-tappingscrewswhichsecureit.
4. Applya lightcoatingof engineoil (or3-in-1oil) to the hexshaft.
SeeFigure16.
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.Cleanandcoattheaxles
witha multipurposeautomotivegreasebeforereinstallingwheels.
Figure16
Auger Shaft
At least oncea season,removethe shearpinson augershaft.Spray
lubricantinsideshaft,andaroundthe spacersandflangebearings
foundat eitherendof the shaft.SeeFigure17.
f
\
18
Figure17
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