Toro 74523 - Engine Maintenance; Servicing the Air Cleaner

15.Installthecasterboltandtightenthenutfully.
Important:Topreventsealandbearingdamage,check
thebearingadjustmentoftenbyspinningthecaster
tire.Thetireshouldnotspinfreely(morethan1or2
revolutions)orhaveanysideplay.Ifthewheelspins
freely,adjustthetorqueonthespacernutuntilthere
isaslightamountofdrag,andapplythread-locking
adhesive.
EngineMaintenance
ServicingtheAirCleaner
ServiceInterval:Every150hours
Every300hours/Yearly(whichevercomes
rst)—Replacetheprimaryairlter(moreoftenin
dustyorsandyconditions).
Every300hours—Checktheinnerairlter.
Every600hours—Replacetheinnerairlter.
Note:Checktheltersmorefrequentlyiftheoperating
conditionsareextremelydustyorsandy.
RemovingtheFilters
1.DisengagethePTO,movethemotion-controlleversto
theNEUTRAL-LOCKposition,andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Releasethelatchesontheaircleanerandpullthe
air-inletcoverofftheair-cleanerbody(Figure37).
4.Cleantheair-inletscreenandcover.
5.Installtheair-inletcoverandsecureitwiththelatches
(Figure37).
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3
4
1
2
Figure37
1.Air-inletcover3.Air-cleanerbody
2.Air-inletscreen4.Latch
6.Releasethelatchesontheaircleanerandpullthe
air-cleanercoverofftheair-cleanerbody(Figure38).
7.Cleantheinsideoftheair-cleanercoverwith
compressedair.
8.Gentlyslidetheprimarylteroutoftheair-cleaner
body(Figure38).
Note:Avoidknockingthelterintothesideofthe
body.
9.Removethesafetylteronlyifyouintendtoreplaceit.
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