Toro 74942 - Engine Maintenance; Servicing the Air Cleaner

wrenchatsfacingoutward.Donotthreadspacer
nutallofthewayontotheendoftheaxle.Leave
approximately3mm(1/8inch)fromtheoutersurface
ofthespacernuttotheendoftheaxleinsidethenut.
9.Inserttheassemblednutandaxleintothewheelonthe
sideofthewheelwiththenewsealandbearing.
10.Withtheopenendofthewheelfacingup,llthearea
insidethewheelaroundtheaxlefullofgeneral-purpose
grease.
11.Insertthesecondbearingandnewsealintothewheel.
12.Applyathreadlockingadhesivetothe2ndspacernut
andthreadontotheaxlewiththewrenchatsfacing
outward.
13.Torquethenutto8-9N-m(75-80in-lb),loosen,then
re-torqueto2-3N-m(20-25in-lb).Makesureaxle
doesnotextendbeyondeithernut.
14.Reinstallthesealguardsoverthewheelhubandinsert
wheelintocasterfork.Reinstallcasterboltandtighten
nutfully.
Important:Topreventsealandbearingdamage,check
thebearingadjustmentoften.Spinthecastertire.The
tireshouldnotspinfreely(morethan1or2revolutions)
orhaveanysideplay.Ifthewheelspinsfreely,adjust
torqueonspacernutuntilthereisaslightamountof
drag.Applythreadlockingadhesive.
EngineMaintenance
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keephands,feet,face,clothingandotherbody
partsawaythemuferandotherhotsurfaces.
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-lockedposition,andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Releasethelatchesontheaircleanerandpulltheair
inletcoverofftheaircleanerbody(Figure43).
4.Cleantheairinletscreenandcover.
5.Installtheairinletcoverandsecureitwiththelatches
(Figure43).
g012996
3
4
1
2
Figure43
1.Airinletcover3.Aircleanerbody
2.Airinletscreen4.Latch
6.Releasethelatchesontheaircleanerandpulltheair
cleanercoverofftheaircleanerbody(Figure44).
7.Cleantheinsideoftheaircleanercoverwith
compressedair.
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