Toro Pro Force 44552 - Cleaning the Engine Screen and the Oil Cooler

CheckingtheSparkPlugs
ServiceInterval:Every200hours
1.Lookatthecenterofthesparkplugs(Figure23).
Ifyouseelightbrownorgrayontheinsulator,
theengineisoperatingproperly.Ablackcoating
ontheinsulatorusuallymeansthattheair
cleanerisdirty.
g001470
Figure23
1.Centerelectrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
Important:Alwaysreplaceasparkplug
whenithasablackcoating,wornelectrodes,
anoilylm,orcracks.
2.Checkthegapbetweenthecenterandside
electrodes(Figure23).Bendthesideelectrode
(Figure23)ifthegapisnotcorrect.
RemovingtheSparkPlugs
1.Stoptheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
2.Disconnectthewiresfromthesparkplugs
(Figure24).
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Figure24
1.Spark-plugwire2.Sparkplug
3.Cleanaroundthesparkplugstopreventdirt
fromfallingintotheengineandpotentially
causingdamage.
4.Removethesparkplugsandthemetalwashers.
InstallingtheSparkPlugs
1.Installthesparkplugsandthemetalwasher.
Ensurethattheairgapissetcorrectly.
2.Tightenthesparkplugsto24.4to29.8N⋅m(18
to22ft-lb).
3.Connectthewirestothesparkplugs(Figure23).
CleaningtheEngineScreen
andtheOilCooler
ServiceInterval:Beforeeachuseordaily
Beforeeachuse,checkandcleantheenginescreen
andoilcooler.Removeanybuildupofgrass,dirtor
otherdebrisfromtheoilcoolerandenginescreen
(Figure25).
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Figure25
1.Enginescreen
2.Oilcooler
25