Toro 74939 - Engine Maintenance; Servicing the Air Cleaner

13.Applyathreadlockingadhesivetothesecondspacer
nutandthreaditontotheaxlewiththewrenchats
facingoutward.
14.Torquethenutto8-9N-m(75-80in-lb),loosen,then
re-torqueto2-3N-m(20-25in-lb).
Note:Makesurethattheaxledoesnotextendbeyond
eithernut.
15.Installthesealguardsoverthewheelhubandinsert
thewheelintothecasterfork.Installthecasterbolt
andtightenthenutfully.
Important:Topreventsealandbearingdamage,check
thebearingadjustmentoften.Spinthecastertire.The
tireshouldnotspinfreely(morethan1or2revolutions)
orhaveanysideplay.Ifthewheelspinsfreely,adjustthe
torqueonthespacernutuntilthereisaslightamountof
drag.Applythreadlockingadhesive.
EngineMaintenance
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keephands,feet,face,clothingandotherbody
partsawaythemuferandotherhotsurfaces.
ServicingtheAirCleaner
ServiceInterval:Every150hours—Inspecttheprimary
lter.
Every300hours/Yearly(whichevercomes
rst)—Replacetheprimaryairlter.(moreoftenin
dustyorsandyconditions)
Every300hours—Checktheinnerairlter.
Every600hours—Replacetheinnerairlter.
Note:Checktheltersmorefrequentlyiftheoperating
conditionsareextremelydustyorsandy.
RemovingtheFilters
1.DisengagethePTO,movethemotioncontrolleversto
theneutrallockedpositionandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Releasethelatchesontheaircleanerandpulltheair
cleanercoverofftheaircleanerbody(Figure45).
4.Cleantheinsideoftheaircleanercoverwith
compressedair.
5.Gentlyslidetheprimarylteroutoftheaircleaner
body(Figure45).
Note:Avoidknockingthelterintothesideofthe
body.
6.Removetheinnerlteronlyifyouintendtoreplaceit.
Important:Neverattempttocleantheinnerlter.
Iftheinnerlterisdirty,thentheprimarylteris
damaged.Replacebothlters.
7.Inspecttheprimarylterfordamagebylookinginto
thelterwhileshiningabrightlightontheoutsideof
thelter.Holesinthelterwillappearasbrightspots.
Ifthelterisdamageddiscardit.
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