Toro GrandStand 74505 - Engine Maintenance; Servicing the Air Cleaner

EngineMaintenance
ServicingtheAirCleaner
ServiceInterval:Every300hours
Every250hours—Replacetheprimaryairlter.
Every250hours—Checkthesecondaryairlter.
Every500hours—Replacethesecondaryairlter.
Note:Servicetheaircleanermorefrequentlyifoperating
conditionsareextremelydustyorsandy.
RemovingtheFilters
1.DisengagethePTO,movethemotion-controlleversto
theNEUTRAL-LOCKposition,andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Pushdowntoreleasetheretainingclampsontheair
cleanerandpulltheair-cleanercoverofftheair-cleaner
body(Figure35).
4.Cleantheinsideoftheair-cleanercoverwith
compressedair.
5.Gentlyslidetheprimarylteroutoftheair-cleaner
body(Figure35).
Note:Avoidknockingthelterintothesideofthe
body.
6.Removethesecondarylteronlyifyouintendto
replaceit.
Important:Neverattempttocleanthesecondary
lter.Ifthesecondarylterisdirty,thenthe
primarylterisdamagedandyoushouldreplace
bothlters.
7.Inspecttheprimarylterfordamagebylookinginto
thelterwhileshiningabrightlightontheoutsideof
thelter.
Note:Holesinthelterappearasbrightspots.
Note:Discardthelterifitisdamaged.
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Figure35
1.Air-cleanerclamps
3.Primaryairlter
2.Air-cleanercover
4.Secondaryairlter
ServicingthePrimaryFilter
1.Inspecttheelementfortears,anoilylm,ordamageto
therubberseal.
2.Replacethepaperelementifitisdamaged.
Note:Donotcleanthepaperelement.
ServicingtheSecondaryFilter
Donotcleanthesecondarylter,replaceit.
Important:Donotattempttocleanthesecondarylter.
Ifthesecondarylterisdirty,thentheprimarylteris
damagedandyoushouldreplacebothlters.
InstallingtheFilters
Important:Topreventenginedamage,alwaysoperate
theenginewithbothairltersandthecoverinstalled.
1.Ifinstallingnewlters,checkeachlterforshipping
damage.
Note:Donotuseadamagedlter.
2.Ifthesecondarylterisbeingreplaced,carefullyslide
itintothelterbody(Figure35).
3.Carefullyslidetheprimarylteroverthesecondary
lter(Figure35).
4.Ensurethatitisfullyseatedbypushingontheouter
rimofthelterwhileinstallingit.
Important:Donotpressonthesoftinsidearea
ofthelter.
5.Installtheair-cleanercoverwiththebreathercapdown,
androtatesothattheretainingclampslockthecover
inplace(Figure35).
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