Operator's Manual

8.Installthedipstickandhandtightenitsecurely.
9.Disposeoftheusedoilproperlyatalocal
recyclingcenter.
ServicingtheSparkPlug
ServiceInterval:Every100hours
UseanChampionRN9YCsparkplugorequivalent.
1.Shutofftheengineandwaitforallmovingparts
tostop.
2.Disconnectthewirefromthesparkplug.
3.Cleanaroundthesparkplug.
4.Removethesparkplugfromthecylinderhead.
Important:Replaceacracked,fouled,or
dirtysparkplug.Donotcleantheelectrodes
becausegritenteringthecylindercan
damagetheengine.
5.Setthegapontheplugto0.76mm(0.030inch)
asshowninFigure22.
g000533
Figure22
1.Center-electrodeinsulator
2.Sideelectrode
3.Airgap(nottoscale)
6.Installthesparkplugandthegasketseal.
7.Torquetheplugto20N-m(15ft-lb).
8.Connectthewiretothesparkplug.
ReplacingtheBlade
ServiceInterval:Yearly
Important:Youwillneedatorquewrenchto
installthebladeproperly.Ifyoudonothavea
torquewrenchorareuncomfortableperforming
thisprocedure,contactanAuthorizedService
Dealer.
Examinethebladewheneveryourunoutoffuel.Ifthe
bladeisdamagedorcracked,replaceitimmediately.
Ifthebladeedgeisdullornicked,haveitsharpened
orreplaceit.
WARNING
Thebladeissharp;contactingthebladecan
resultinseriouspersonalinjury.
Disconnectthewirefromthesparkplug.
Weargloveswhenservicingtheblade.
1.Disconnectthespark-plugwirefromthespark
plug.RefertoPreparingforMaintenance(page
15).
2.Tipthemachineontoitsside,withthedipstick
down.
3.Useablockofwoodtoholdthebladesteady.
g209201
Figure23
4.Removetheblade(turnthebladebolt
counterclockwise),savingallthemounting
hardware.
5.Installthenewblade(turnthebladebolt
clockwise)andallmountinghardware.
Important:Positionthecurvedendsofthe
bladetopointtowardthemachinehousing.
6.Useatorquewrenchtotightenthebladebolt
to25N-m(18ft-lb).
Important:Abolttorquedto25N-m(18
ft-lb)isverytight.Whileholdingtheblade
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