Toro 414300000 - Adjusting the Caster-Pivot Bearing; Servicing the Caster Wheels and Bearings

AdjustingtheCaster-Pivot
Bearing
ServiceInterval:Every500hours/Yearly(whichever
comesrst)
1.Disengagetheblade-controlswitch(PTO),move
themotioncontrolleverstotheNEUTRAL-LOCK
position,andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethedustcapfromthecasterandtighten
thelocknut(Figure56).
4.Tightenthelocknutuntilthespringwashersare
at,andthenbackoffa1/4turntoproperlyset
thepreloadonthebearings(Figure56).
Important:Makesurethatthespring
washersareinstalledcorrectlyasshownin
Figure56.
5.Installthedustcap(Figure56).
g001297
Figure56
1.Springwashers
3.Dustcap
2.Locknut
ServicingtheCaster
WheelsandBearings
Thecasterwheelsrotateonarollerbearingsupported
byaspannerbushing.Ifthebearingiskeptwell
lubricated,wearwillbeminimal.Failuretokeepthe
bearingwelllubricatedcausesrapidwear.Awobbly
casterwheelusuallyindicatesawornbearing.
1.Removethelocknutandwheelboltholdingthe
casterwheeltothecasterfork(Figure57).
g009453
Figure57
1.Locknut4.Rollerbearing
2.Bushing
5.Casterwheel
3.Spannerbushing
6.Wheelbolt
2.Remove1bushing,thenpullthespanner
bushingandrollerbearingoutofthewheelhub
(Figure57).
3.Removetheotherbushingfromthewheelhub
andcleananygreaseanddirtfromthewheel
hub(Figure57).
4.Inspecttherollerbearing,bushings,spanner
bushingandtheinsideofthewheelhubforwear.
Note:Replaceanydamagedorwornparts
(Figure57).
5.Place1bushingintothewheelhub(Figure57).
6.Greasetherollerbearingandspannerbushing,
andslidethemintothewheelhub(Figure57).
7.Placethesecondbushingintothewheelhub
(Figure57).
8.Installthecasterwheelintothecasterforkand
secureitwiththewheelboltandlocknut(Figure
57).
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