Toro 74538 - Engine Maintenance; Servicing the Air Cleaner; Servicing the Engine Oil

EngineMaintenance
ServicingtheAirCleaner
ServiceInterval/Specication
Inspectthefoamandpaperelementsandreplacethem
iftheyaredamagedorexcessivelydirty.
Note:Servicetheaircleanermorefrequently(every
fewoperatinghours)iftheoperatingconditionsare
extremelydustyorsandy.
Important:Donotoilthefoamorpaperelement.
RemovingtheFoamandPaper
Elements
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Cleanaroundtheaircleanertopreventdirt
fromgettingintotheengineandcausingdamage
(
Figure42).
4.Unscrewthecoverknobsandremovetheaircleaner
cover(
Figure42).
5.Unscrewthehoseclampandremovetheaircleaner
assembly(
Figure42).
6.Carefullypullthefoamelementoffthepaper
element(Figure42).
Figure42
FSModelEngineShown
1.Cover
3.Paperelement
2.Hoseclamp4.Foamelement
CleaningtheFoamAirCleanerElement
ServiceInterval:Every25hours
1.Washthefoamelementinliquidsoapandwarm
water.Whentheelementisclean,rinseitthoroughly.
2.Drytheelementbysqueezingitinacleancloth.
Important:Replacethefoamelementifitis
tornorworn.
ServicingthePaperAirCleaner
Element
ServiceInterval:Every50hours—Checkthepaperair
cleanerelement.
Every200hours—Replacethepaper
aircleanerelement.
1.Donotcleanthepaperlter,replaceit(Figure42).
2.Inspecttheelementfortears,anoilylm,ordamage
totherubberseal.
3.Replacethepaperelementifitisdamaged.
InstallingtheFoamandPaperElements
Important:Topreventenginedamage,always
operatetheenginewiththecompletefoamand
paperaircleanerassemblyinstalled.
1.Carefullyslidethefoamelementontothepaperair
cleanerelement(
Figure42).
2.Placetheaircleanerassemblyontotheaircleaner
baseorhoseandsecureit(Figure42).
3.Placetheaircleanercoverintopositionandtighten
thecoverknob(Figure42).
ServicingtheEngineOil
ServiceInterval:Beforeeachuseordaily—Checkthe
engineoillevel.
Aftertherst8hours—Changethe
engineoil.
Every100hours—Changetheengine
oil.(moreoftenindirtyordusty
conditions)
Every200hours—Changetheengine
oillter.
Note:Changetheoilmorefrequentlywhenthe
operatingconditionsareextremelydustyorsandy.
Note:Therearedifferentoilcapacitiesforthedifferent
modelslistedinthismanual.Ensurethecorrectamount
ofoilisused.
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