Operation Manual
ServicingtheSparkPlug
ServiceInterval:Every100hours
Checkthesparkplugafterevery100operatinghours.Usean
ChampionRN9YCsparkplugorequivalent.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug.
3.Cleanaroundthesparkplug.
4.Removethesparkplugfromthecylinderhead.
Important:Replaceacracked,fouled,ordirty
sparkplug.Donotcleantheelectrodesbecause
gritenteringthecylindercandamagetheengine.
5.Setthegapontheplugto0.76mm(0.030inch)(Figure
18).
Figure18
1.Centerelectrodeinsulator
2.Sideelectrode
3.Airgap(nottoscale)
6.Installthesparkplugandthegasketseal.
7.Torquetheplugto20N-m(15ft-lb).
8.Connectthewiretothesparkplug.
ReplacingtheNylonCutting
String
1.Turnthefueltaptotheoffpositionandclosethevent
knob.
2.Disconnectthewirefromthesparkplug.
3.Turnthemachineonitslefthandside,withthe
carburetorfacingupwards.
4.Wearingprotectivegloves,removethenyloncutting
line.
5.Placeonelengthofnyloncuttinglineintothedesired
cuttingheightsetting.Ensurethatasecondlength
isplacedinthecorrespondingcuttingheightonthe
oppositesideofthecuttingdisc.
Note:Ifusingasparereel,cutthelinetoalengthof200mm.
CleaningtheMachine
ServiceInterval:Beforeeachuseordaily
Aftereachuse
WARNING
Themachinemaydislodgematerialfromunderthe
machinehousing.
•Weareyeprotection.
•Stayintheoperatingposition(behindthe
handle).
•Donotallowbystandersinthearea.
1.Tipthemachineonitsside.
2.Useabrushorcompressedairtoremovegrassand
debrisfromtheexhaustguard,thetopcowl,andthe
surroundingdeckareas.
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