Toro 74585 - Servicing the Spark Plug

11.Cleanaroundthedipstickandunscrewthecap
(Figure25).
12.Slowlypourapproximately80%oftheengineoil
intothellertube(Figure25).
13.Checktheengineoillevel;refertosteps9and
10ofCheckingtheEngineOilLevel.
ChangingtheEngineOilFilter
ServiceInterval:Every100hours(Changeit
morefrequentlywhenoperatingthe
machineindustyordirtyconditions.)
1.Draintheoilfromtheengine;refertoChanging
theEngineOil(page24).
2.Removetheoldlterandwipeofftheadapter
gasketsurface(Figure26).
g008301
Figure26
1.Engineoillter
3.Adapter
2.Gasket
3.Applyathincoatofnewengineoiltotherubber
gasketonthenewlter(Figure26).
4.Installthenewltertothelteradapterby
turningitclockwiseuntilthegasketcontactsthe
lteradapter.
5.Tightenthelteranadditional1/2to3/4turn
(Figure26).
6.Fillthecrankcasewiththepropertypeofnew
engineoil;refertoCheckingtheEngineOil
Level(page24).
ServicingtheSparkPlug
ServiceInterval:Every25hours—Checkthespark
plug.
Every100hours—Replacethesparkplug.
UseaChampionRC12YCorequivalentspark
plug.Ensurethattheairgapbetweenthecenter
andsideelectrodesis0.030inch(0.76mm)before
installingthesparkplug.Useasparkplugwrenchfor
removingandinstallingthesparkplugandagapping
toolorfeelergaugetocheckandadjusttheairgap.
RemovingtheSparkPlug
1.Disengagetheblades(PTO).
2.Settheparkingbrake.
3.Stoptheengineandwaitforallmovingpartsto
stop.
4.Removetheignitionkey.
5.Openthehood.
6.Disconnectthewirefromthesparkplug(Figure
27).
g008274
Figure27
1.Sparkplug2.Sparkplugwire
7.Cleanaroundthesparkplugtopreventdirtfrom
fallingintotheengineandpotentiallycausing
damage.
8.Removethesparkplugandthemetalwasher
(Figure27).
25