Toro GrandStand 74574 - Engine Maintenance; Servicing the Air Cleaner

EngineMaintenance
ServicingtheAirCleaner
ServiceInterval:Every250hours—Replacetheprimaryair
lter.
Every250hours—Checkthesecondaryairlter.
Every500hours—Replacethesecondaryairlter.
Note:Servicetheaircleanermorefrequentlyifoperating
conditionsareextremelydustyorsandy.
RemovingtheFilters
1.DisengagethePTO,movethemotion-controlleversto
theneutral-lockedposition,andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Pushdowntoreleasetheretainingclampsontheair
cleaner,andpulltheair-cleanercoverofftheair-cleaner
body(Figure42).
4.Cleantheinsideoftheair-cleanercoverwith
compressedair.
5.Gentlyslidetheprimarylteroutoftheair-cleaner
body(Figure42).Avoidknockingthelterintothe
sideofthebody.
6.Removethesecondarylteronlyifyouintendto
replaceit.
Important:Neverattempttocleanthesecondary
lter.Ifthesecondarylterisdirty,thenthe
primarylterisdamagedandyoushouldreplace
bothlters.
7.Inspecttheprimarylterfordamagebylookinginto
thelterwhileshiningabrightlightontheoutsideof
thelter.
Note:Holesinthelterwillappearasbrightspots.
Note:Ifthelterisdamageddiscardit.
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Figure42
1.Aircleanerclamps
3.Primaryairlter
2.Aircleanercover
4.Secondaryairlter
ServicingthePrimaryFilter
1.Donotcleanthepaperlter,replaceit(Figure42).
2.Inspecttheelementfortears,anoilylm,ordamageto
therubberseal.
3.Replacethepaperelementifitisdamaged.
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(Figure42).
3.Carefullyslidetheprimarylteroverthesecondary
lter(Figure42).
4.Ensurethatitisfullyseatedbypushingontheouter
rimofthelterwhileinstallingit.
Important:Donotpressonthesoftinsidearea
ofthelter.
5.Installtheair-cleanercoverwiththebreathercapdown,
androtatesothattheretainingclampslockthecover
inplace(Figure42).
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