Toro 74955 - Engine Maintenance Details; Servicing the Primary Filter; Servicing the Safety Filter; Installing the Filters

Important:Neverattempttocleantheinnerlter.
Ifthesafetylterisdirty,thentheprimarylteris
damaged.Replacebothlters.
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Figure44
1.Innerlter
4.Latch
2.Primarylter
5.Air-cleanerbody
3.Air-cleanercover
10.Inspecttheprimarylterfordamagebylookinginto
thelter,whileshiningabrightlightontheoutside
ofthelter.
Note:Holesinthelterwillappearasbrightspots.
Ifthelterisdamaged,discardit.
ServicingthePrimaryFilter
•Iftheprimarylterisdirty,bent,ordamaged,replaceit.
•Donotcleantheprimarylter.
ServicingtheSafetyFilter
Replacethesafetylter,nevercleanit.
Important:Donotattempttocleanthesafetylter.
Ifthesafetylterisdirty,thentheprimarylteris
damaged.Replacebothlters.
InstallingtheFilters
Important:Topreventenginedamage,alwaysoperate
theenginewithbothairltersandthecoverinstalled.
1.Ifinstallingnewlters,checkeachlterforshipping
damage.
Note:Donotuseadamagedlter.
2.Iftheinnerlterisbeingreplaced,carefullyslideitinto
thelterbody(Figure44).
3.Carefullyslidetheprimarylterovertheinnerlter
(Figure44).
Note:Ensurethattheprimarylterisfullyseatedby
pushingontheouterrimwhileinstallingit.
Important:Donotpressonthesoft,insidearea
ofthelter.
4.Installtheair-cleanercoverandsecurethelatches
(Figure44).
ServicingtheEngineOil
OilType:Detergentoil(APIserviceSJorhigher)
OilCapacityfor74959engine:withalterchange,1.65L
(56oz);withnolterchange,1.5L(51oz)
Viscosity:Seethetablebelow.
Figure45
Note:Useofsyntheticoilhaving5W-20or5W-30ratingis
acceptable,upto4degreesC(40degreesF).
Note:Syntheticoilswillprovidebetterstartinginextreme
coldbelow-23degreesC(-10degreesF).
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