Toro 74901 - Engine Maintenance; Servicing the Standard Air Cleaner

Note:Thesealsmustbereplaced.
8.Iftheaxleassemblyhashadbothspacernuts
removed(orbrokenloose),applyathreadlocking
adhesivetoonespacernutandthreadontotheaxle
withthewrenchatsfacingoutward.DoNotthread
spacernutallofthewayontotheendoftheaxle.
Leaveapproximately1/8inch(3mm)fromtheouter
surfaceofthespacernuttotheendoftheaxleinside
thenut.
9.Inserttheassemblednutandaxleintothewheelon
thesideofthewheelwiththenewsealandbearing.
10.Withtheopenendofthewheelfacingup,ll
theareainsidethewheelaroundtheaxlefullof
general-purposegrease.
11.Insertthesecondbearingandnewsealintothe
wheel.
12.Applyathreadlockingadhesivetothe2ndspacer
nutandthreadontotheaxlewiththewrenchats
facingoutward.
13.Torquethenutto75-80in-lb(8-9N-m),loosen,
thenre-torqueto20-25in-lb(2-3N-m).Makesure
axledoesnotextendbeyondeithernut.
14.Reinstallthesealguardsoverthewheelhuband
insertwheelintocasterfork.Reinstallcasterbolt
andtightennutfully.
Important:Topreventsealandbearingdamage,
checkthebearingadjustmentoften.Spinthecaster
tire.Thetireshouldnotspinfreely(morethan1or
2revolutions)orhaveanysideplay.Ifthewheel
spinsfreely,adjusttorqueonspacernutuntilthere
isaslightamountofdrag.Reapplythreadlocking
adhesive.
EngineMaintenance
WARNING
Contactwithhotsurfacesmaycausepersonal
injury.
Keephands,feet,face,clothingandotherbody
partsawaythemuferandotherhotsurfaces.
ServicingtheStandardAir
Cleaner
ServiceInterval:Every25hours—Cleanthefoam
precleanerlter(standardaircleaner).
Every100hours—Replacetheair
lterelement(standardaircleaner).
Note:Servicetheaircleanermorefrequentlyif
operatingconditionsareextremelydustyorsandy.
RemovingtheFilters
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Loosenthecoverretainingknobandremovethe
cover(
Figure44).
4.Cleantheareaaroundtheairlter.
5.Removethefoamprecleanerlterfromtheair
cleaner.
6.Removetheairltercovernutandthecover
(
Figure44).
7.Removetheairlterandreplaceit.
32