ReplacingtheSparkPlug
ServiceInterval:Every100hours—Replacethespark
plug.
UseaChampionQC12YCorequivalentsparkplug.
Note:Toaccessthesparkplug,youmustrstremove
theuppersnowhood(Figure55).
Figure55
1.Chokeknob
3.Ignitionkey
2.Uppersnowhood
4.Screw(2)
1.Removethechokeknobandtheignitionkey
(Figure55).
2.Removethe2screwsthatsecuretheuppersnow
hoodtothesnowthrower(Figure55).
3.Slowlyremovetheuppersnowhood,ensuringthat
theprimerbulbhoseandtheignitionwireremain
connected.
4.Removethebracketthumbscrewandthebracket
(Figure56).
Figure56
1.Spark-plugwire
3.Thumbscrew
2.Bracket
5.Cleanaroundthebaseofthesparkplug(Figure56).
6.Removeanddiscardtheoldsparkplug.
Note:Youwillneedaratchetwrenchextensionto
removethesparkplug.
7.Setthegapbetweentheelectrodesonanewspark
plugat0.030inch(0.76mm)(Figure57).
Figure57
1.0.030inch(0.76mm)
8.Installthenewsparkplugandtightenitrmly.
9.Installthebracketwiththethumbscrewthatyou
removedinstep4.
10.Ensurethattheprimerbulbhoseandtheignition
wireareconnectedandclearofthecarburetor
bracket.
11.Securetheuppersnowhoodtothesnowthrower
withthe2screwsthatyoupreviouslyremoved.
12.Alignthetabonthechokecontrolknobwiththe
slotontheuppersnowhood.
13.Connectthechokecontrolknobtothechokeshaft
onthecarburetor.
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