Toro 74991 Z Master Professional 5000 Series - Servicing the Spark Plug

ChangingtheEngine-OilFilter
ServiceInterval:Every200hours(moreoftenindirtyor
dustyconditions).
Note:Changetheengineoilltermorefrequentlywhen
operatingconditionsareextremelydustyorsandy.
1.Draintheoilfromtheengine;refertoChangingthe
EngineOil(page39).
2.Changetheengineoillter(Figure54).
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A
C D
E
F
3/4
g027477
Figure54
Note:Ensuretheoilltergaskettouchestheengine
andthenanextra3/4turniscompleted.
3.Fillthecrankcasewiththepropertypeofnewoil;refer
toChangingtheEngineOil(page39).
ServicingtheEngine-OilCooler
ServiceInterval:Every200hours
1.Keeptheoilcoolerfreeofdebrisbycleaningthens
withabrush.
2.Removetheboltsholdingtheoilcoolertotheengine
housing.
3.Cleantheinsideoftheoilcoolerwithabrush.
4.Installtheoilcoolertotheenginehousing.
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g01301 1
1 2
2
Figure55
1.Engine-oilcooler2.Bolts
ServicingtheSparkPlug
ServiceInterval:Every200hours—Check,cleanandgap
thesparkplug.
Makesurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.Usea
sparkplugwrenchtoremoveandinstallthesparkplug(s)and
useagappingtool/feelergaugetocheckandadjusttheair
gap.Installanewsparkplug(s)ifnecessary.
Type:Champion
®
XC12YC,orequivalent
AirGap:0.76mm(0.030inch)
40