Toro 522 Power Throw - Spark Plug Inspection and Replacement; Adjusting and Replacing Traction Drive Belt

Figure34
Important:Donotexcessivelyoilthe
snowthrower;extraoilmayenterthetraction
driveandcausethetractiondrivebelttoslip.
5.Wipeupanyexcessoil.
6.GreasethesnowthrowerasshowninFigure34.
7.Wipeupanyexcessgrease.
8.Installthebottomcover.
9.Returnthesnowthrowertoitsuprightposition.
InspectingandReplacingthe
SparkPlug
ServiceInterval:Every100hours
UseaChampionRJ-19LMorequivalentsparkplug.
Checkandgapthesparkyearly,andreplacetheplug
ifnecessary.
1.Cleanaroundthebaseofthesparkplug.
2.Removethesparkplug.
3.Examinethesparkplugandreplaceitifitiscracked,
fouled,dirty,oriftheelectrodesareworn.
Important:Donotcleantheelectrodesbecause
gritcouldenterthecylinderanddamagethe
engine.
4.Setthegapbetweentheelectrodesonthesparkplug
at0.030inch(0.76mm)(Figure35).
Figure35
1.0.030inch(0.76mm)
5.Installthesparkplugbyhandandthentorqueitto
15ft-lb(20.4N-m).
Note:Ifyoudonothaveatorquewrench,tighten
theplugrmly.
AdjustingtheTractionDrive
Belt
ServiceInterval:Afterthersthour
Beforeeachuseordaily
Adjustthetractiondrivebeltaftertherstoperating
hour,afterevery5operatinghoursthereafter,and
whenthespeedselectorlevershiftsproperlybutthe
snowthrowerdoesnotdriveintheforwardorreverse
speeds.
1.Checkandadjustthetractiondriveasdescribedin
InstallingtheTractionRodinSetup.
2.Iftheproblempersistsafteradjustingthelinkage,
contactanAuthorizedServiceDealer.
ReplacingtheTractionDrive
Belt
Ifthetractiondrivebeltbecomesworn,oil-soaked,or
otherwisedamaged,replacethebelt.
1.Draingasolinefromthefueltankandtheoilfrom
thecrankcase.RefertoEmptyingtheFuelTankand
toChangingtheEngineOil.
2.Removethe2ange-headboltsthatholdthebelt
coverinplaceandsetthecoveraside(Figure36).
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