Toro 74906 - Engine Maintenance; Servicing the Air Cleaner

EngineMaintenance
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keephands,feet,face,clothing,andotherbody
partsawaythemuferandotherhotsurfaces.
ServicingtheAirCleaner
ServiceInterval:Every150hours
Every300hours/Yearly(whichevercomes
rst)—Replacetheprimaryairlter(moreoftenin
dustyorsandyconditions).
Every300hours—Checktheinnerairlter.
Every600hours—Replacetheinnerairlter.
Note:Checktheltersmorefrequentlyiftheoperating
conditionsareextremelydustyorsandy.
RemovingtheFilters
1.DisengagethePTO,movethemotioncontrolleversto
theneutrallockedposition,andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Releasethelatchesontheaircleanerandpullthe
air-inletcoverofftheair-cleanerbody(
Figure46).
4.Cleantheair-inletscreenandcover.
5.Installtheair-inletcoverandsecureitwiththelatches
(Figure46).
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4
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2
Figure46
1.Air-inletcover3.Air-cleanerbody
2.Air-inletscreen4.Latch
6.Releasethelatchesontheaircleanerandpullthe
air-cleanercoverofftheair-cleanerbody(Figure47).
7.Cleantheinsideoftheair-cleanercoverwith
compressedair.
8.Gentlyslidetheprimarylteroutoftheair-cleaner
body(Figure47).
Note:Avoidknockingthelterintothesideofthe
body.
9.Removetheinnerlteronlyifyouintendtoreplaceit.
Important:Neverattempttocleantheinnerlter.
Ifthesafetylterisdirty,thentheprimarylteris
damaged;replacebothlters.
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2
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4
5
Figure47
1.Innerlter
4.Latch
2.Primarylter
5.Air-cleanerbody
3.Air-cleanercover
10.Inspecttheprimarylterfordamagebylookinginto
thelterwhileshiningabrightlightontheoutsideof
thelter.
Note:Anyholesinthelterwillappearasbright
spots.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.
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