Toro 07367 - Replacing the Spark Plugs

Every200hours
1.Raisethebed(ifsoequipped)andplacethesafety
supportontheextendedliftcylindertoholdupthe
bed.
2.Removethedrainplugandletoilowintoadrain
pan(Figure47).Whentheoilstops,installthedrain
plug.
Figure47
1.Engineoildrainplug
3.Removetheoillter(Figure48).
Figure48
1.Engineoillter
4.Applyalightcoatofcleanoiltothenewlterseal
beforescrewingiton.
5.Screwthelteronuntilthegasketcontactsthe
mountingplate,thentightenthelter1/2to2/3of
aturn.Donotovertighten.
6.Addoiltothecrankcase;refertoCheckingthe
EngineOilLevel.
ReplacingtheSparkPlugs
ServiceInterval:Every400hours
Thesparkplugsusuallylastalongtime;however,the
plugsshouldberemovedandcheckedwheneverthe
enginemalfunctionsorevery400hours.Replacethe
sparkplugstoensureproperengineperformanceand
reduceexhaustemissionlevel.
ThecorrectsparkplugtouseisaChampionRC14YC
orNGKBPR4ES.
Therecommendedairgapis0.032inch(0.81mm).
1.Cleantheareaaroundthesparkplugssoforeign
mattercannotfallintothecylinderwhenyouremove
thesparkplug.
2.Pullwiresoffofthesparkplugsandremovethe
plugsfromthecylinderhead.
3.Checktheconditionofthesideelectrode,center
electrode,andcenterelectrodeinsulatortoensure
thatthereisnodamage.
Important:Acracked,fouled,dirty,or
otherwisemalfunctioningsparkplugmust
bereplaced.Donotsandblast,scrape,or
cleanelectrodesbyusingawirebrushbecause
gritmayeventuallyreleasefromtheplugand
fallintothecylinder.Theresultisusuallya
damagedengine.
Figure49
1.Airgapat0.032inch(0.81mm)
4.Settheairgaponeeachplugbetweenthecenterand
sideelectrodesat0.032inch(0.81mm).
5.Installthecorrectlygappedsparkplugsandtighten
themto18to22ft-lb(24.5to29N-m).Ifyou
cannotuseatorquewrench,tightentheplugsrmly.
6.Installthesparkplugwires.
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