Toro 4573 - Servicing the Engine Oil

RemovingtheFoamandPaper
Elements
1.Cleanaroundtheaircleanertopreventdirtfrom
gettingintotheengineandcausingdamage.
2.Pullupontheaircleanercoverhandleandrotateit
towardtheengine(Figure20).
Figure20
1.Aircleanercover2.Aircleanercoverhandle
3.Removetheaircleanercover.
4.Carefullyslidethepaperelementandthefoam
elementfromtheblowerhousing(Figure21).
Figure21
1.Paperelement4.Tab
2.Foamelement
5.Slot
3.Aircleanercover6.Blowerhousing
CleaningtheFoamandPaperElements
FoamElement
1.Washthefoamelementinliquidsoapandwarm
waterandrinseitthoroughly.
2.Drytheelementbysqueezingitinacleancloth.
Note:Donotoilthefoamelement.
Important:Replacethefoamelementifitistorn
orworn.
PaperElement
1.Lightlytapthepaperelementonaatsurfaceto
removedustanddirt.
2.Inspecttheelementfortears,anoilylm,and
damagetotherubberseal.
Important:Nevercleanthepaperelementwith
pressurizedairorliquids,suchassolvents,gasoline,
orkerosene.Replacethepaperelementifitis
damagedorcannotbecleanedthoroughly.
InstallingtheFoamandPaperElements
Important:Topreventenginedamage,always
operatetheenginewiththecompletefoamand
paperaircleanerassemblyinstalled.
1.Placethefoamelementandpaperelementintothe
blowerhousing.
Note:Ensurethattherubbersealisatagainstthe
aircleanerbase.
2.Alignthetabsontheaircleanercoverwiththeslots
oftheblowerhousing(Figure21).Hookthehandle
ontothecoverandpressdownonthehandletolock
thecoverinplace.
ServicingtheEngineOil
OilType:Detergentoil(APIserviceSF,SG,SH,SJ,or
higher)
Crankcasecapacity:56oz.or1-3/4qt.(1.7l)withlter;
48oz.or1-1/2qt.(1.4l)withoutlter
Viscosity:Seetheoiltable(Figure22).
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