Toro GrandStand 74589 - Engine Maintenance; Servicing the Air Cleaner

EngineMaintenance
ServicingtheAirCleaner
ServiceInterval:Every150hours
Every300hours/Yearly(whichevercomes
rst)—Replacetheprimaryairlter.(moreoftenin
dustyorsandyconditions)
Every300hours—Checktheinner-airlter.
Every600hours—Replacetheinner-airlter.
Note:Checktheltersmorefrequentlyiftheoperating
conditionsareextremelydustyorsandy.
RemovingtheFilters
1.DisengagethePTO,movethemotion-controlleversto
theneutral-lockedposition,andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Releasethelatchesontheaircleanerandpullthe
air-cleanercoverofftheair-cleanerbody(Figure40).
4.Cleantheinsideoftheair-cleanercoverwith
compressedair.
5.Gentlyslidetheprimarylteroutoftheair-cleaner
body(Figure40).
Note:Avoidknockingthelterintothesideofthe
body.
6.Removetheinnerlteronlyifyouintendtoreplaceit.
Important:Neverattempttocleantheinnerlter.
Ifthesafetylterisdirty,thentheprimarylteris
damaged.Replacebothlters.
Figure40
1.Air-cleanerbody4.Air-cleanercover
2.Primarylter5.Innerlter
3.Latch
7.Inspecttheprimarylterfordamagebylookinginto
thelterwhileshiningabrightlightontheoutsideof
thelter.
Note:Holesinthelterwillappearasbrightspots.
Note: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.
Note:Donotuseadamagedlter.
2.Ifthesafetylterisbeingreplaced,carefullyslideit
intothelterbody(Figure40).
3.Carefullyslidetheprimarylteroverthesafetylter
(Figure40).
Note:Ensurethattheprimarylterisfullyseatedby
pushingonitsouterrimwhileinstallingit.
Important:Donotpressonthesoft,insidearea
ofthelter.
4.Installtheair-cleanercoverandsecurethelatches
(Figure40).
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