Toro 74978 - Engine Maintenance; Servicing the Air Cleaner

14.Torquethenutto8-9N-m(75-80in-lb),loosen,then
re-torqueto2-3N-m(20-25in-lb).Makesurethatthe
axledoesnotextendbeyondeithernut.
15.Installthesealguardsoverthewheelhubandinsert
thewheelintothecasterfork.Installthecasterbolt
andtightenthenutfully.
Important:Topreventsealandbearingdamage,
checkthebearingadjustmentoften.Spinthe
castertire.Thetireshouldnotspinfreely(more
than1or2revolutions)orhaveanysideplay.Ifthe
wheelspinsfreely,adjustthetorqueonthespacer
nutuntilthereisaslightamountofdrag.Apply
threadlockingadhesive.
16.Raisethefrontofthemachineupandremovethejack
stands.
EngineMaintenance
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keephands,feet,face,clothingandotherbody
partsawaythemuferandotherhotsurfaces.
ServicingtheAirCleaner
ServiceInterval:Every150hours
Every300hours/Yearly(whichevercomes
rst)—Replacetheprimaryairlter.(moreoftenin
dustyorsandyconditions)
Every300hours—Checktheairlter.
Every600hours—Replacetheairlter.
Note:Checktheltersmorefrequentlyiftheoperating
conditionsareextremelydustyorsandy.
RemovingtheFilters
1.DisengagethePTO,movethemotioncontrolleversto
theneutrallockedposition,andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Releasethelatchesontheaircleanerandpulltheair
inletcoverofftheaircleanerbody(
Figure44).
4.Cleantheairinletscreenandcover.
5.Installtheairinletcoverandsecureitwiththelatches
(Figure44).
g012996
3
4
1
2
Figure44
1.Airinletcover3.Aircleanerbody
2.Airinletscreen4.Latch
6.Releasethelatchesontheaircleanerandpulltheair
cleanercoverofftheaircleanerbody(Figure45).
7.Cleantheinsideoftheaircleanercoverwith
compressedair.
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