Toro 74901 Z Master 5000 - Engine Maintenance Procedures; Air Filter Servicing (Primary & Safety)

Note:Avoidknockingthelterintothesideofthe
body.
6.Removethesafetylteronlyifyouintendtoreplaceit.
Important:Neverattempttocleanthesafety
lter.Ifthesafetylterisdirty,thentheprimary
lterisdamaged.Replacebothlters.
7.Inspecttheprimarylterfordamagebylookinginto
thelterwhileshiningabrightlightontheoutsideof
thelter.Holesinthelterwillappearasbrightspots.
Ifthelterisdamaged,discardit.
ServicingthePrimaryFilter
•Iftheprimarylterisdirty,bent,ordamaged,replaceit.
•Donotcleantheprimarylter.
ServicingtheSafetyFilter
Replacethesafety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.Ifthesafetylterisbeingreplaced,carefullyslideit
intothelterbody(Figure46).
3.Carefullyslidetheprimarylteroverthesafetylter
(
Figure46).
Note:Ensurethattheprimarylterisfullyseatedby
pushingonitsouterrimwhileinstallingit.
Important:Donotpressonthesoftinsidearea
ofthelter.
4.Installtheaircleanercoverwiththesideindicatedas
upfacingupwardandsecurethelatches(Figure46).
ServicingtheEngineOil
Note:Therearedifferentoilcapacitiesforthedifferent
models.Ensurethecorrectcapacityisused.
OilType:Detergentoil(APIserviceSG,SH,SJ,orhigher)
OilCapacityfor74901engines:withalterchange,56
ounces(1.65L);withnolterchange,51ounces(1.5L)
OilCapacityfor74903engines:withalterchange,59
ounces(1.75L);withnolterchange,54ounces(1.6L)
Viscosity:Seethetablebelow .
Figure47
Note:Useofsyntheticoilhaving5W-20or5W-30ratingis
acceptable,upto4degreesC(40degreesF).
Note:Syntheticoilswillprovidebetterstartinginextreme
coldbelow-23degreesC(-10degreesF).
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