Toro 74939 - Servicing the Engine Oil

Figure45
1.Aircleanerbody4.Aircleanerlatch
2.Innerairlter
5.Aircleanercover
3.Primaryairlter
ServicingthePrimaryFilter
•Iftheprimarylterisdirty,bent,ordamaged,replaceit.
•Donotcleantheprimarylter.
ServicingtheInnerFilter
Replacetheinnerlter,nevercleanit.
Important:Neverattempttocleanthesafetylter.
Ifthesafetylterisdirty,thentheprimarylteris
damaged.Replacebothlters.
InstallingtheFilters
Important:Topreventenginedamage,alwaysoperate
theenginewithbothairltersandcoverinstalled.
1.Ifinstallingnewlters,checkeachlterforshipping
damage.Donotuseadamagedlter.
2.Iftheinnerlterisbeingreplaced,carefullyslideitinto
thelterbody(Figure45).
3.Carefullyslidetheprimarylterovertheinnerlter
(Figure45).
Note:Ensurethattheprimarylterisfullyseatedby
pushingonitsouterrimwhileinstallingit.
Important:Donotpressonthesoftinsidearea
ofthelter.
4.Positiontheaircleanercoversothatthebreathervalve
doesnotinterferewiththethrottlemechanism(Figure
46
).
G016165
1
2
3
Figure46
1.Aircleanercover3.Breathevalve.
2.Throttlemechanism
5.Securethecoverwiththelatches(Figure45).
ServicingtheEngineOil
OilType:Detergentoil(APIserviceclassSJorhigher)
OilCapacity:withalterchange,99ounces(2.9L)
Viscosity:Seethetablebelow .
20W -50
10W -30
SAE 30
5W-30
100
4030
20
10
0
-10
-20
-30
-20
0
20
32
40
50
60 75 80
°F
°C
g024123
Figure47
Note:Useofsyntheticoilhaving5W-30ratingisacceptable
upto4degreesC(40degreesF).
Note:Syntheticoilswillprovidebetterstartinginextreme
coldbelow-23degreesC(-10degreesF).
CheckingtheEngineOilLevel
ServiceInterval:Beforeeachuseordaily
Note:Checktheoilwhentheengineiscold.
34