SUPERCEDED
Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst5hours
•Changetheengineoilwithouttheoillter.
•Servicetheblade-drivesystem.
Beforeeachuseordaily
•Checktheengine-oillevel.
•Checktheblade-stopsystemoperation.Thebladesshouldstopwithin3secondsof
releasingthecontrolbar;iftheydonot,contactanAuthorizedServiceDealer.
•Cleanunderthemachinehousing.
•Inspecttheairlter.
•Checkthecuttingbladesandservicethem,ifnecessary.
•Inspecttheblades.
Every25hours
•Cleanthefoampre-cleaner(morefrequentlyindustyconditions).
Every40hours
•Cleanthewheelsandgears.
Every50hours
•Changetheengineoil(moreoftenindustyconditions).
•Checktheconditionofthebelts.
•Checkthefuelhoseandreplaceitifnecessary.
•Removedebrisfromunderthebeltcover.
•Servicetheblade-drivesystem.
Every100hours
•Changetheoillter.
•Checkthesparkplug.
•Cleanthefueltanklter.
•Changethefuellter.
Every250hours
•Changetheblade-brake-clutchbelt.
•Changethetransmissionbelt.
Every300hours
•Replacethepaperairlter(morefrequentlyindustyconditions).
Yearlyorbeforestorage
•Emptythefueltankbeforerepairsasdirectororbeforestorage.
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
Important:Refertoyourenginemanualforadditionalmaintenanceprocedures.
MaintenanceSafety
•Disconnectthespark-plugwirefromthesparkplug
beforeperforminganymaintenanceprocedure.
•Wearglovesandeyeprotectionwhenservicingthe
machine.
•Thebladeissharp;contactingthebladecanresultin
seriouspersonalinjury.Weargloveswhenservicingthe
blade.
•Nevertamperwithsafetydevices.Checktheirproper
operationregularly.
•Tippingthemachinemaycausethefueltoleak.Fuelis
ammableandexplosive,andcancausepersonalinjury.
Runtheenginedrytoremovethefuelwithahandpump;
neversiphonthefuel.
ServicingtheAirFilter
ServiceInterval:Beforeeachuseordaily
Every25hours—Cleanthefoampre-cleaner(more
frequentlyindustyconditions).
Every300hours—Replacethepaperairlter(more
frequentlyindustyconditions).
Important:Donotoperatetheenginewithouttheair
lterassembly;extremeenginedamagewilloccur.
1.Shutofftheengineandwaitforallmovingpartsto
stop.
2.Disconnectthewirefromthesparkplug.
3.Removethecoverandcleanitthoroughly(Figure29).
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