Operator's Manual

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G020130
Figure39
Note:Duetothedeeprecessaroundthesparkplug,
blowingoutthecavitywithcompressedairisusually
themosteffectivemethodforcleaning.Thesparkplug
ismostaccessiblewhentheblowerhousingisremoved
forcleaning.
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).Always
replacethesparkplug(s)whenithas:ablackcoating,
wornelectrodes,anoilylm,orcracks.
Ifyouseelightbrownorgrayontheinsulator,theengineis
operatingproperly.Ablackcoatingontheinsulatorusually
meanstheaircleanerisdirty.
Setthegapto0.76mm(0.030inch).
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G020131
Figure40
InstallingtheSparkPlug
Tightenthesparkplug(s)to22N-m(16ft-lb).
16ft-lb
22N-m
G010687
Figure41
CleaningtheCoolingSystem
Cleantheair-intakescreenfromgrassanddebrisbeforeeach
use.
1.Disengagetheblade-controlswitch,movethecontrol
leverstotheneutral-lockedposition,andapplythe
parkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Removetheair-intakescreen,theair-cleanercover,and
thefanhousing.
4.Cleandebrisandgrassfromtheparts.
5.Installtheair-intakescreen,air-cleanercover,andthe
fanhousing.
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