Toro 74997 - Engine Maintenance; Servicing the Air Cleaner

14.Torquethenutto8to9N∙m(75to80in-lb),loosen
thenut,thentorqueitto2to3N∙m(20to25in-lb).
Note:Makesurethattheaxledoesnotextendbeyond
eithernut.
15.Installthesealguardsoverthewheelhubandinsert
wheelintothecasterfork.
16.Installthecasterboltandtightenthenutfully.
Important:Topreventsealandbearingdamage,check
thebearingadjustmentoften.Spinthecastertire.The
tireshouldnotspinfreely(morethan1or2revolutions)
orhaveanysideplay.Ifthewheelspinsfreely,adjustthe
torqueonthespacernutuntilthereisaslightamountof
drag.Applyanotherlayerofthread-lockingcompound.
EngineMaintenance
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keephands,feet,face,clothing,andotherbody
partsawaythemuferandotherhotsurfaces.
ServicingtheAirCleaner
ServiceInterval:Every250hours—Replacetheprimary
airlter(moreoftenindustyorsandy
conditions).
Every250hours—Checkthesafetyairlter.
Every500hours—Replacethesafetyairlter.
Note:Checktheltersmorefrequentlyiftheoperating
conditionsareextremelydustyorsandy.
RemovingtheFilters
1.Disengagetheblade-controlswitch(PTO),movethe
motion-controlleverstotheNEUTRAL-LOCKposition,
andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Releasethelatchesontheaircleanerandpullthe
air-cleanercoverofftheair-cleanerbody(Figure50).
Figure50
1.Air-cleanerbody4.Air-cleanercover
2.Primarylter5.Safetylter
3.Latch
4.Cleantheinsideoftheair-cleanercoverwith
compressedair.
5.Gentlyslidetheprimarylteroutoftheair-cleaner
body(Figure50).
Note:Avoidknockingthelterintothesideofthe
body.
38