Toro 74922 - Engine Maintenance; Servicing the Air Cleaner

14.Applyathread-lockingadhesivetothesecondspacer
nut,andthreaditontotheaxlewiththewrenchats
facingoutward.
15.Torquethenutto8to9N-m(75to80in-lb),loosen,
thentorqueto2to3N-m(20to25in-lb).
Note:Makesureaxledoesnotextendbeyondeither
nut.
16.Installthesealguardsoverthewheelhub,andinsert
wheelintothecasterfork.
17.Installthecasterboltandtightenthenutfully.
Important:Topreventsealandbearingdamage,check
thebearingadjustmentoften.Spinthecastertire.The
tireshouldnotspinfreely(morethan1or2revolutions)
orhaveanysideplay.Ifthewheelspinsfreely,adjustthe
torqueonthespacernutuntilthereisaslightamountof
drag.Applyanotherlayerofthread-lockingadhesive.
EngineMaintenance
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keephands,feet,face,clothing,andotherbody
partsawaythemuferandotherhotsurfaces.
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(Figure47).
4.Cleantheinsideoftheair-cleanercoverwith
compressedair.
5.Gentlyslidetheprimarylteroutoftheair-cleaner
body(Figure47).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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