Toro 38818 - Replacing the Spark Plug

Note:Placeafunnelunderthedrainextensionsothe
oildrainsdirectlyintotheoildrainpanandawayfrom
themachine.
5.Draintheoil.
Note:Disposeoftheusedoilproperlyatalocal
recyclingcenter.
6.Installtheoildrainplug.
7.Installtheleftwheel.
8.Fillthecrankcasewithoil.RefertoFillingtheEngine
withOilinSetup.
9.Wipeupanyspilledoil.
ReplacingtheSparkPlug
ServiceInterval:Every100hours—Replacethesparkplug.
UseaChampionQC12YCorequivalentsparkplug.
Note:Toaccessthesparkplug,youmustrstremovethe
uppersnowhood(Figure33).
Figure33
1.Chokeknob
3.Ignitionkey
2.Uppersnowhood
4.Screw(2)
1.Removethechokeknobandtheignitionkey
(Figure33).
2.Removethe2screwsthatsecuretheuppersnowhood
tothemachine(Figure33).
3.Slowlyremovetheuppersnowhood,ensuringthat
theprimerbulbhoseandtheignitionwireremain
connected.
4.Removethebracketthumbscrewandthebracket
(Figure34).
Figure34
1.Spark-plugwire
3.Thumbscrew
2.Bracket
5.Cleanaroundthebaseofthesparkplug(Figure34).
6.Removeanddiscardtheoldsparkplug.
Note:Youwillneedaratchetwrenchextensionto
removethesparkplug.
7.Setthegapbetweentheelectrodesonanewsparkplug
at0.030inch(0.76mm)(Figure35).
Figure35
1.0.030inch(0.76mm)
8.Installthenewsparkplug,tightenitrmly,andattach
theignitionwiretothesparkplug.
9.Installthebracketwiththethumbscrewthatyou
removedinstep4.
10.Ensurethattheprimerbulbhoseandtheignitionwire
areconnectedandclearofthecarburetorbracket.
11.Securetheuppersnowhoodtothemachinewiththe2
screwsthatyoupreviouslyremoved.
12.Alignthetabonthechokecontrolknobwiththeslot
ontheuppersnowhood.
13.Connectthechokecontrolknobtothechokeshafton
thecarburetor.
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