Toro 74923 - Servicing the Engine Oil

g009031
Figure47
1.Air-cleanerclamps
3.Primaryairlter
2.Air-cleanercover
4.Secondaryairlter
ServicingthePrimaryFilter
1.Donotcleanthepaperlter,replaceit(Figure
47).
2.Inspecttheelementfortears,anoilylm,or
damagetotherubberseal.
3.Replacethepaperelementifitisdamaged.
ServicingtheSecondaryFilter
Donotcleanthesecondarylter,replaceit.
Important:Donotattempttocleanthesecondary
lter.Ifthesecondarylterisdirty,thenthe
primarylterisdamagedandyoushouldreplace
bothlters.
InstallingtheFilters
Important:Topreventenginedamage,always
operatetheenginewithbothairltersandthe
coverinstalled.
1.Ifinstallingnewlters,checkeachlterfor
shippingdamage.
Note:Donotuseadamagedlter.
2.Ifthesecondarylterisbeingreplaced,carefully
slideitintothelterbody(Figure47).
3.Carefullyslidetheprimarylteroverthe
secondarylter(Figure47).
4.Ensurethatitisfullyseatedbypushingonthe
outerrimofthelterwhileinstallingit.
Important:Donotpressonthesoftinside
areaofthelter.
5.Installtheair-cleanercoverwiththebreathercap
down,androtatesothattheretainingclamps
lockthecoverinplace(Figure47).
ServicingtheEngineOil
OilType:Detergentoil(APIserviceSG,SH,SJ,or
higher)
OilCapacityforModels74923,74925,and74927
engines:withalterchange,2.3L(77oz);withno
lterchange,2.1L(70oz)
OilCapacityforModels74922,78922,and78924
engines:withalterchange,2.1L(71oz);withno
lterchange,1.8L(61oz)
Viscosity:Seethetablebelow.
g037096
Figure48
Note:Useofmulti-gradeoils(5W-20,10W-30,or
10W-40)increaseoilconsumption.Checktheoillevel
morefrequentlywhenusingthem.
CheckingtheEngine-OilLevel
ServiceInterval:Beforeeachuseordaily
Note:Checktheoilwhentheengineiscold.
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keepyourhands,feet,face,clothing,and
otherbodypartsawayfromthemuferand
otherhotsurfaces.
Important:Donotoverllthecrankcasewithoil
becausedamagetotheenginemayresult.Donot
runenginewithoilbelowtheLowmarkbecause
theenginemaybedamaged.
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andengagetheparkingbrake.
39