Operator's Manual

RemovingtheSparkPlug
1.Lowerthegrinderandshutoffthemachine;Referto
ShuttingOfftheEngine(page10).
2.Pullthewireoffthesparkplug(Figure15).
Figure15
1.Sparkplug
2.Wire
3.Cleanaroundthesparkplug.
4.Removethesparkplugandthemetalwasher.
CheckingtheSparkPlug
1.Lookatthecenterofthesparkplug(Figure16).Ifyou
seelightbrownorgrayontheinsulator,theengineis
operatingproperly.Ablackcoatingontheinsulator
usuallymeansthattheaircleanerisdirty.
Important:NeverCleanthesparkplug.Always
replacethesparkplugwhenithasablackcoating,
wornelectrodes,anoilylm,orcracks.
Figure16
1.Centerelectrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
2.Checkthegapbetweenthecenterandsideelectrodes
(Figure16).Bendthesideelectrode(Figure16)ifthe
gapisnotcorrect.
InstallingtheSparkPlug
1.Threadthesparkplugintothesparkplughole.
2.Tightenthesparkplugto27N∙m(20ft-lb).
3.Pushthewireontothesparkplug.
BrakeMaintenance
AdjustingtheParkingBrake
1.Loosenthesetscrewonsideofbrakeleverknob.
2.Turntheknobclockwisetotightenthebrake;adjust
counterclockwisetoloosenthebrake.
Note:Theleftwheelshouldlockcompletelywhen
thebrakeisset.
3.Tightenthesetscrew.
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