Toro 04044 - Servicing the Spark Plug

ServicingtheSparkPlug
ServiceInterval:Every100hours
UseanNGKBR6HSsparkplugorequivalent.The
correctairgapis0.6to0.7mm(0.024to0.028inch).
1.Pullthemoldedwireoffthesparkplug(Figure
38).
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1
g018272
Figure38
1.Spark-plugwire
2.Cleanaroundthesparkplugandremovethe
plugfromthecylinderhead.
Important:Replaceacracked,fouled,or
dirtysparkplug.Donotsandblast,scrape,
orcleantheelectrodesbecauseengine
damagecouldresultfromgritenteringthe
cylinder.
3.Settheairgapat0.6to0.7mm(0.024to0.028
inch)asshowninFigure39.Installthecorrectly
gappedsparkplugandtightenitrmlyto23
N∙m(17ft-lb).
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Figure39
1.Center-electrodeinsulator
3.Airgap—0.6to0.7mm
(0.024to0.028inch)
2.Sideelectrode
FuelSystem
Maintenance
CleaningtheFuelCupand
Fuel-TankScreen
ServiceInterval:Aftertherst20hours
Every100hours/Monthly(whichevercomes
rst)
1.Closethefuelshutoffvalveandunscrewthe
fuelcupfromthelterbody(Figure40).
Note:A17mm,12pointsockettsoverthe
bodyofthefuelcupandaidsintheremoval.
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Figure40
1.Shutoffvalve
2.Fuelcup
2.Cleanthefuelcupincleanfuelandinstallit.
3.Unscrewandremovethefuel-tankcapfromthe
fueltank(Figure41).
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Figure41
1.Fuel-tankcap2.Fuel-tankscreen
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