Maintenance
Important:Beforeperforminganymaintenanceprocedures,rststoptheengine,wait5minutestoallowallmoving
partstocometoacompletestopandcool,anddisconnectthespark-plugwire.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst25hours
•Changetheengineoil.
Beforeeachuseordaily
•Inspectthetiresandwheels.
•Inspecttheair-cleanerelements.
•Checktheengine-oillevel.
Aftereachuse
•Torquethelugnutsto108to122N∙m(80to90ft-lb)aftertowing.
•Cleanthedrum.
Every20hours
•Checkthedrive-belttensionandadjustitasnecessary.Replacethedrivebeltsif
theyshowanysignsofwear,cracks,glazing,ordamage.
Every50hours
•Cleantheair-cleanerelements.Cleanthemmorefrequentlyindustyoperating
conditions.
Every100hours
•Changetheengineoil.
•Checkthesparkplug.
•Cleanthesparkarrester.
•Cleanthefuel-sedimentcup.
•Replacethedrivebelts.
Every300hours
•Replacethepaperair-cleanerelement.Replaceitmorefrequentlyindusty
operatingconditions.
•Replacethesparkplug.
Monthly
•Greasethetrunnionsandthedrumspindle.
Yearlyorbeforestorage
•Cleanthefuel-sedimentcup.
Premaintenance
Procedures
PreparingtheMachinefor
Maintenance
1.Parkthemachineonalevelsurface.
2.Removethemachinefromthetowvehicle.
3.Securethemachinefrommovement.
4.Opentherearcowl;refertoOpeningtheCowl(page
22).
5.Ensurethattheengineandmuferarecool.
6.Disconnectthespark-plugwire;refertoFigure38.
DisconnectingtheSpark-plug
Wire
Pullthespark-plugwireofftheterminalofthesparkplug
(Figure38).
Figure38
1.Sparkplug
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