Toro Groundsmaster 4300-D - Page 370

RemovingtheBladeSpindle
1.Parkthemachineonalevelsurface,lowerthecuttingdecks,shutoffthe
engine,settheparkingbrake,andremovethekeyfromthekeyswitch.
g195111
Figure229
1.Hydraulicdeckmotor
2.Socket-headscrew(2each)
2.Removethe2socket-headscrewsand2atwashersthatsecurethe
hydraulicdeckmotortothecuttingdeck(Figure229),andremovethe
hydraulicdeckmotorandO-ringfromthedeck.
3.Coverthetopofthespindletopreventunwantedmaterialfromenteringinto
thespindle.Aspindleplug(refertoSpindlePlug(page7–5))canbeused
tocoverthespindle.
4.Starttheengineandraisethecuttingdeck.Shutofftheengineandremove
thekeyfromthekeyswitch.Supportthecuttingdecksoitcannotfall
accidentally.Ifnecessary,removethecuttingdeckfromthemachine.
5.Removethebladebolt,anti-scalpcup,andcuttingbladefromthespindle.
6.Removethe6angenutsthatsecurethespindleassemblytothecutting
deck.Slidethespindleassemblyoutthebottomofthedeck.Removethe
spindleplatefromthetopofthedeck.
7.Ifnecessary,pressthestudsfromthespindlehousing.
InstallingtheBladeSpindle
1.Ifthestudswereremovedfromthespindlehousing,pressthestudsfullyinto
thehousingholes.Ensurethatthestudheadisseatedsquarelyagainst
housing.
2.Positionthespindleassemblyandspindleplatetothecuttingdeck.Align
thegreasettingsonthespindlewiththenotchesonthecuttingdeckand
spindleplatetowardthefrontofthedeck.
3.Securethespindletothecuttingdeckwiththe6angenuts.Tightenthe
angenutsinastarpattern.
4.Installthecuttingblade,anti-scalpcup,andbladebolt.Torquethebladebolt
to120to146N∙m(88to108ft-lb).
5.Removethecoverfromthetopofthespindlethatwasplacedtoprevent
unwantedmaterialfromenteringintothespindle.
6.EnsurethattheO-ringispositionedonthetopofthespindlehousing.
Securethehydraulicdeckmotortothecuttingdeckwiththe2socket-head
screwsand2atwashers.
CuttingDeck:ServiceandRepairs
Page7–8
Groundsmaster
®
4300-D
16226SLRevC