Toro 74950 - Servicing the Engine Oil; Servicing the Primary Filter; Servicing the Secondary Filter; Installing the Filters

Figure45
1.Air-cleanerclamps
3.Primaryairlter
2.Air-cleanercover
4.Secondaryairlter
ServicingthePrimaryFilter
1.Donotcleanthepaperlter,replaceit(Figure45).
2.Inspecttheelementfortears,anoilylm,ordamageto
therubberseal.
3.Replacethepaperelementifitisdamaged.
ServicingtheSecondaryFilter
Donotcleanthesecondarylter,replaceit.
Important:Neverattempttocleanthesecondarylter.
Ifthesecondarylterisdirty,thentheprimarylteris
damagedandyoushouldreplacebothlters.
InstallingtheFilters
Important:Topreventenginedamage,alwaysoperate
theenginewithbothairltersandcoverinstalled.
1.Ifinstallingnewlters,checkeachlterforshipping
damage.
Note:Donotuseadamagedlter.
2.Ifthesecondarylterisbeingreplaced,carefullyslide
itintothelterbody(Figure45).
3.Carefullyslidetheprimarylteroverthesecondary
lter(Figure45).
4.Ensurethatitisfullyseatedbypushingontheouter
rimofthelterwhileinstallingit.
Important:Donotpressonthesoftinsidearea
ofthelter.
5.Installtheair-cleanercoverwiththebreathercapdown,
androtatesotheretainingclampslockthecoverin
place(Figure45).
ServicingtheEngineOil
OilType:Detergentoil(APIserviceSG,SH,SJ,orhigher)
CrankcaseCapacity:withalterchange,2.3L(2.4USqt);
withoutalterchange,2.1L(2.2USqt)
Viscosity:Seethetablebelow.
Figure46
Note:Useofmulti-gradeoils(5W-20,10W-30,or10W-40)
willincreaseoilconsumption.Checktheoillevelmore
frequentlywhenusingthem.
CheckingtheEngine-OilLevel
ServiceInterval:Beforeeachuseordaily
Note:Checktheoilwhentheengineiscold.
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keepyourhands,feet,face,clothingandotherbody
partsawayfromthemuferandotherhotsurfaces.
Important:Donotoverllthecrankcasewithoil
becausedamagetotheenginemayresult.Donotrun
enginewithoilbelowtheLOWmarkbecausetheengine
maybedamaged.
1.DisengagethePTO,movethemotion-controlleversto
theNEUTRAL-LOCKposition,andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position(Figure47).
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