Toro TITAN ZX5000 - Spark Plug Service; Spark Plug Servicing and Replacement; Spark Plug Inspection Guide

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G008748
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Figure39
Note:Ensuretheoilltergaskettouchestheengine
andthenanextra3/4turniscompleted.
3.Fillthecrankcasewiththepropertypeofnewoil;
refertoChangingtheOil.
ServicingtheSparkPlug
ServiceInterval:Every100hours(replacethemas
necessary)
Makesuretheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.
Useasparkplugwrenchforremovingandinstalling
thesparkplug(s)andagappingtool/feelergaugeto
checkandadjusttheairgap.Installanewsparkplug(s)
ifnecessary.
Type:ChampionRC12YC
AirGap:0.030inch(0.76mm)
RemovingtheSparkPlug
1.Disengagethebladecontrolswitch(PTO),movethe
motioncontrolleverstotheneutrallockposition
andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
G010230
Figure40
Note:Duetothedeeprecessaroundthespark
plug,blowingoutthecavitywithcompressedair
isusuallythemosteffectivemethodforcleaning.
Thesparkplugismostaccessiblewhentheblower
housingisremovedforcleaning.
CheckingtheSparkPlug
Important:Nevercleanthesparkplug(s).Always
replacethesparkplug(s)whenithas:ablack
coating,wornelectrodes,anoilylm,orcracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.030inches(0.76mm).
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