G005177
2
1
3
Figure37
1.Oillter3.Adapter
2.Gasket
15.Slowlypourapproximately80%ofthespeciedoil
intothellertube(Figure34).
16.Installtheoilllcap/dipstickandpushrmlyinto
place(Figure34).
17.Checktheoillevel(Figure34);refertoChecking
theOilLevel.
18.Slowlyaddadditionaloiltobringittothefullmark.
19.Installtheoilllcap/dipstickandpushrmlyinto
place(Figure34).

ServicingtheSparkPlug

ServiceInterval:Every200hours—Checksparkplug
conditionandgap.
Every500hours—Replacethespark
plug.
ThesparkplugisRFIcompliant.Equivalentalternate
brandplugscanalsobeused.Sparkplugreplacementis
recommendedat500hours.
Type:ChampionXC12YC(orequivalent)
AirGap:0.030inch(0.76mm)

RemovingtheSparkPlug

1.Disengagethebladecontrolswitch,movethe
motioncontrolsoutwardtotheparkposition,stop
theengine,andremovethekey.
2.Pullthewireoffofthesparkplug(Figure38).Clean
aroundthesparkplugtopreventdirtfromfalling
intotheengineandpotentiallycausingdamage.
Note:Duetothedeeprecessaroundthespark
plug,blowingoutthecavitywithcompressedair
isusuallythemosteffectivemethodforcleaning.
Thesparkplugismostaccessiblewhentheblower
housingisremovedforcleaning.
3.Removethesparkplugandmetalwasher.
G005070
1
Figure38
1.Sparkplugandwirelocation

CheckingtheSparkPlug

1.Lookatthecenterofthesparkplug(Figure39).
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Important:Nevercleanthesparkplug.Always
replacethesparkplugwhenithasablack
coating,wornelectrodes,anoilylm,orcracks.
2.Checkthegapbetweenthecenterandsideelectrodes
(Figure39).Bendthesideelectrode(Figure39)if
thegapisnotcorrect.
Figure39
1.Centerelectrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode

InstallingtheSparkPlug

1.Installthesparkplug.Makesurethattheairgapis
setcorrectly.
2.Tightenthesparkplugto30ft-lb(41N-m).
3.Pushthewireontothesparkplug(Figure38).

CleaningtheBlowerHousing

Toensurepropercooling,makesurethegrassscreen,
coolingns,andotherexternalsurfacesoftheengine
arekeptcleanatalltimes.
31