Toro Groundsmaster 300 Series - Servicing the Front Bushings in the Castor Arms; Servicing the Castor Wheels and Bearings; Removing and Installing the Blade(S)

WARNING
Suddenreleaseofthepusharmcouldcause
injury.
Makesurethatthewoodenblockdoesnotslip
out.
6.Securetheballjointmountandchainbrackettothe
castorarmwiththecapscrews,atwashers,and
angenuts.Positiontheatwasherstotheoutside
ofthecastorarm.Mountthechainbracketinthe
forwardsetofholes.
7.Carefullyremovethewoodblockholdingthepush
armdown.
8.Lineuptheholesintheyokeandinputshaftofthe
gearbox.Slidetheyokeontotheshaftandsecure
themtogetherwitharollpin,2capscrews(5/16x
1-3/4inches),and2locknuts(5/16inches).
ReplacingtheDriveBelt
Thebladedrivebelt,tensionedbythespringloaded
idlerpulley,isverydurable.However,aftermanyhours
ofuse,thebeltwillshowsignsofwear.Signsofaworn
beltare:squealingwhenbeltisrotating,bladesslipping
whencuttinggrass,frayededges,burnmarksandcracks.
Replacethebeltifanyoftheseconditionsareevident.
1.Lowerthecuttingunittotheshopoor.Remove
thebeltcoversfromthetopofthecuttingunitand
setthecoversaside.
2.Unhookthespringfromtheidlerarmbracketto
releasethebelttension(
Figure22).Removethe
cotterpinandclevispinsecuringtheidlerarm
brackettotheidlerarm.
Figure22
1.Spring
2.Idlerarm
3.Idlerarmbracket
3.Removethecapscrewsandnutssecuringthegear
boxplatetothedeckchannels(Figure23).Liftthe
gearboxplateandgearboxoffofthedeckchannels
andlayitontopofthedeck.
Figure23
1.Gearboxplate2.Capscrewsandnuts
4.Removetheoldbeltfromaroundthespindlepulleys
andthroughtheidlerpulleyassembly.
5.Routethenewbeltaroundthespindlepulleys
andthroughtheidlerpulleyassemblyasshownin
Figure24.
Figure24
1.Beltrouting
6.Repositionthegearboxplateonthedeckchannels
whileroutingthebeltaroundthegearboxpulley.
Mountthegearboxplatetothedeckchannelswith
thecapscrewsandnutspreviouslyremoved.
7.Installtheidlerarmbrackettotheidlerarmwith
thecotterpinandclevispin(Figure22).Hookthe
springontotheidlerarmbracket.Toensurethat
thereispropertensiononthedrivebelt,thespring
shouldbeextendedtoalengthofapproximately7
inches(18cm).Ifthespringisnotextendedtothis
length,relocatethespringrodtoanewmounting
holefurtherawayfromthebelt.
8.Installthebeltcovers.
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