Operator's Manual

Important:Nevercleanthesparkplugs.
Alwaysreplacethesparkplugswhenthey
haveablackcoating,wornelectrodes,an
oilylm,orcracks.
g004219
Figure49
1.Centerelectrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
2.Checkthegapbetweenthecenterandside
electrodes(Figure49).
3.Bendthesideelectrode(Figure49)ifthegap
isnotcorrect.
InstallingtheSparkPlugs
1.Threadthesparkplugsintothesparkplugholes.
2.Tightenthesparkplugsto27N∙m(20ft-lb).
3.Pushthewiresontothesparkplugs(Figure48).
CleaningtheEngineScreen
ServiceInterval:Beforeeachuseordaily(Clean
morefrequentlyindirtyoperating
conditions.)
Beforeeachuse,checkandcleantheenginescreen.
Removeanybuildupofgrass,dirt,orotherdebris
fromtheengineairintakescreen.
FuelSystem
Maintenance
DANGER
Undercertainconditions,fuelandfuelvapors
arehighlyammableandexplosive.Areor
explosionfromfuelcanburnyouandothers
andcancausepropertydamage.
Fillthefueltankoutdoors,inanopenarea,
whentheengineisoffandiscold.Wipeup
anyfuelthatspills.
Donotllthefueltankcompletelyfull.Add
fueltothefueltankuntilthelevelis25mm
(1inch)belowthetopofthetank,notthe
llerneck.Thisemptyspaceinthetank
allowsthefueltoexpand.
Neversmokewhenhandlingfuel,andstay
awayfromanopenameorwhereaspark
mayignitefuelfumes.
Storefuelinaclean,safety-approved
containerandkeepthecapinplace.
ReplacingtheFuelFilter
ServiceInterval:Every100hours/Yearly(whichever
comesrst)
Important:Neverinstalladirtylterifitis
removedfromthefuelline.
1.Allowthemachinetocooldown.
2.Closethefuel-shutoffvalve(Figure50).
g010059
Figure50
1.Fuellter2.Fuel-shutoffvalve
3.Squeezetheendsofthehoseclampstogether
andslidethemawayfromthelter(Figure50).
4.Removethelterfromthefuellines.
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