Toro 30716 - Replacing the Drive Belt

WARNING
Suddenreleaseofthepusharmcouldcause
injury.
Makesurethatthewoodenblockdoesnot
slipout.
6.Securetheballjointmountandchainbrackettothe
castorarmwiththecapscrews,atwashers,andange
nuts.Positiontheatwasherstotheoutsideofthe
castorarm.Mountthechainbracketintheforward
setofholes.
7.Carefullyremovethewoodblockholdingthepush
armdown.
8.Lineuptheholesintheyokeandinputshaftofthe
gearbox.Slidetheyokeontotheshaftandsecurethem
togetherwitharollpin,2capscrews(5/16x1-3/4
inches),and2locknuts(5/16inches).
ReplacingtheDriveBelt
Thebladedrivebelt,tensionedbythespringloadedidler
pulley,isverydurable.However,aftermanyhoursofuse,
thebeltwillshowsignsofwear.Signsofawornbeltare:
squealingwhenbeltisrotating,bladesslippingwhencutting
grass,frayededges,burnmarksandcracks.Replacethebeltif
anyoftheseconditionsareevident.
1.Lowerthecuttingunittotheshopoor.Removethe
beltcoversfromthetopofthecuttingunitandsetthe
coversaside.
2.Unhookthespringfromtheidlerarmbracketto
releasethebelttension(
Figure22).Removethecotter
pinandclevispinsecuringtheidlerarmbrackettothe
idlerarm.
Figure22
1.Spring
2.Idlerarm
3.Idlerarmbracket
3.Removethecapscrewsandnutssecuringthegearbox
platetothedeckchannels(
Figure23).Liftthegear
boxplateandgearboxoffofthedeckchannelsand
layitontopofthedeck.
Figure23
1.Gearboxplate2.Capscrewsandnuts
4.Removetheoldbeltfromaroundthespindlepulleys
andthroughtheidlerpulleyassembly.
5.Routethenewbeltaroundthespindlepulleysand
throughtheidlerpulleyassemblyasshowninFigure
24.
Figure24
1.Beltrouting
6.Repositionthegearboxplateonthedeckchannels
whileroutingthebeltaroundthegearboxpulley.
Mountthegearboxplatetothedeckchannelswiththe
capscrewsandnutspreviouslyremoved.
7.Installtheidlerarmbrackettotheidlerarmwiththe
cotterpinandclevispin(Figure22).Hookthespring
ontotheidlerarmbracket.Toensurethatthereis
propertensiononthedrivebelt,thespringshouldbe
extendedtoalengthofapproximately7inches(18cm).
Ifthespringisnotextendedtothislength,relocatethe
springrodtoanewmountingholefurtherawayfrom
thebelt.
8.Installthebeltcovers.
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