Toro 74950 - Engine Maintenance; Servicing the Air Cleaner

14.Applythread-lockingadhesivetothesecondspacer
nutandthreaditontotheaxlewiththewrenchats
facingoutward.
15.Torquethenutto8to9N∙m(75to80in-lb),loosenit,
thentorqueitto2to3N∙m(20to25in-lb).
Note:Makesurethattheaxledoesnotextendbeyond
eithernut.
16.Installthesealguardsoverthewheelhubandinsert
thewheelintothecasterfork.Installthecasterbolt
andtightenthenutfully.
17.Removethejackstands.
Important:Topreventsealandbearingdamage,check
thebearingadjustmentoften.Spinthecasterwheel.
Thewheelshouldnotspinfreely(morethan1or2
revolutions)orhaveanysideplay.Ifthewheelspins
freely,adjustthetorqueonspacernutuntilthereisa
slightamountofdrag.Applythread-lockingadhesive.
EngineMaintenance
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keepyourhands,feet,face,clothingandotherbody
partsawaythemuferandotherhotsurfaces.
ServicingtheAirCleaner
ServiceInterval:Every250hours—Replacetheprimary
airlter(moreoftenindirtyordusty
conditions).
Every250hours—Checkthesecondaryairlter(more
oftenindirtyordustyconditions).
Every500hours—Replacethesecondaryairlter
(moreoftenindirtyordustyconditions).
Note:Servicetheaircleanermorefrequentlyifoperating
conditionsareextremelydustyorsandy.
RemovingtheFilters
1.DisengagethePTO,movethemotion-controlleversto
theNEUTRAL-LOCKposition,andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Pushdowntoreleasetheretainingclampsontheair
cleaner,andpulltheair-cleanercoverofftheair-cleaner
body(Figure45).
4.Cleantheinsideoftheair-cleanercoverwith
compressedair.
5.Gentlyslidetheprimarylteroutoftheair-cleaner
body(Figure45).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.
Note:Holesinthelterwillappearasbrightspots.
Note:Ifthelterisdamaged,discardit.
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