Use and Care Manual
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).Always
replacethesparkplug(s)whenithas:ablackcoating,
wornelectrodes,anoilylm,orcracks.
Ifyouseelightbrownorgrayontheinsulator,theengineis
operatingproperly.Ablackcoatingontheinsulatorusually
meanstheaircleanerisdirty.
Setthegapto0.76mm(0.030inch).
B
A
g027479
Figure36
InstallingtheSparkPlug
Tightenthesparkplug(s)to25to30N·m(18.5to22.1ft-lb).
Figure37
CleaningtheCoolingSystem
Cleantheair-intakescreenfromgrassanddebrisbeforeeach
use.
1.Disengagetheblade-controlswitchandengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Removetheairlterfromtheengine.
4.Removetheengineshroud.
5.Topreventdebrisenteringtheairintake,installtheair
ltertothelterbase.
6.Cleandebrisandgrassfromtheparts.
7.Removetheairlterandinstalltheengineshroud.
8.Installtheairlter.
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