Toro 74953 - Engine Maintenance; Servicing the Air Cleaner

Important:Topreventsealandbearingdamage,check
thebearingadjustmentoften.Spinthecasterwheel.
Thewheelshouldnotspinfreely(morethan1or2
revolutions)orhaveanysideplay.Ifthewheelspins
freely,adjustthetorqueonspacernutuntilthereisa
slightamountofdrag.Applythread-lockingadhesive.
EngineMaintenance
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keephands,feet,face,clothingandotherbody
partsawaythemuferandotherhotsurfaces.
ServicingtheAirCleaner
ServiceInterval:Every250hours—Replacetheprimaryair
lter.
Every250hours—Checkthesecondaryairlter.
Every500hours—Replacethesecondaryairlter.
Note:Servicetheaircleanermorefrequentlyifoperating
conditionsareextremelydustyorsandy.
RemovingtheFilters
1.DisengagethePTO,movethemotion-controlleversto
theneutral-lockedpositionandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Pushdowntoreleasetheretainingclampsonthe
aircleanerandpulltheaircleanercoveroffofthe
air-cleanerbody(Figure44).
4.Cleantheinsideoftheaircleanercoverwith
compressedair.
5.Gentlyslidetheprimarylteroutoftheaircleaner
body(Figure44).Avoidknockingthelterintothe
sideofthebody.
6.Removethesecondarylteronlyifyouintendto
replaceit.
Important:Neverattempttocleanthesecondary
lter.Ifthesecondarylterisdirty,thenthe
primarylterisdamagedandyoushouldreplace
bothlters.
7.Inspecttheprimarylterfordamagebylookinginto
thelterwhileshiningabrightlightontheoutsideof
thelter.Holesinthelterwillappearasbrightspots.
Ifthelterisdamageddiscardit.
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