Exmark COMMERCIAL 21 - Recommended Maintenance Schedule(s)

Maintenance
Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
WARNING
Ifyouleavethewireonthesparkplug,someone
couldaccidentallystarttheengine.Accidental
startingoftheenginecouldseriouslyinjureyou
orotherbystanders.
Disconnectthewirefromthesparkplugbefore
youdoanymaintenance.Setthewireasideso
thatitdoesnotaccidentallycontactthespark
plug.
WARNING
Theenginecanbecomeveryhot.Touchingahot
enginecancausesevereburns.
Allowtheenginetocoolcompletelybefore
serviceormakingrepairsaroundtheenginearea.
WARNING
Tippingthelawnmowermaycausethefuel
toleakfromthecarburetororthefueltank.
Gasolineisextremelyammable,highly
explosive,andundercertainconditions,can
causepersonalinjuryorpropertydamage.
Avoidfuelspillsbyrunningtheenginedryorby
removingthegasolinewithahandpump;never
siphon.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst5hours
•Changetheengineoil.
Beforeeachuseordaily
•Checktheengineoillevel.
•Checkthestoppingtimeofthebladebrake.Theblademuststopwithin3secondsof
releasingthebail;ifitdoesnot,contactanAuthorizedServiceDealerforrepair.
•Checkthemowerbladeandtheenginemountingfasteners.
•Checkforloosehardware.
•ChecktheBladeBrakeClutchBailoperation(BladeBrakeClutchUnitsOnly)
•Cleanthegrassbuild-upfromunderthedeck.
•Cleanthedischargetunnelandplug.
Every25hours
•Cleanthefoampre-cleaner(KawasakiUnits).
•Cleanthecover,base,foamandpaperelements(HondaUnit).
Every40hours
•Checktheconditionofthebelt(s).
Every50hours
•Changetheengineoil.(Mayneedmoreoftenundersevereconditions.)
•Checkforleaksinthefuelsystemsand/ordeterioratingfuelhose.
•Cleanunderthebeltcover(self-propelledunitsonly).
•Cleanthebladebrakeclutchshield.
•Cleanunderthecoverplate(Non-BBCUnits).
Every100hours
•Changetheoillter(KawasakiX-SeriesUnits).
•Checkthesparkplugs.
•Cleanthefuellterelement.
Every250hours
•Replacetheairlterelements(HondaUnit).(Mayneedmoreofteniftheyaredamaged
orexcessivelydirty.)
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