Toro Groundsmaster 300 Series - Replacing the Drive Belt

DANGER
IftheengineisstartedandthePTOshaftis
allowedtorotate,seriousinjurycouldresult.
DonotstarttheengineandengagethePTO
leverwhenthePTOshaftisnotconnectedto
thegearboxonthecuttingunit.
4.Disconnectthecotterpinsandclevispinssecuring
theliftchainstotheliftarms.
WARNING
Theright-handpusharmisspringloadedto
about100lb.(45kg)andtheleft-handpusharm
isspringloadedtoabout150lb.(68kg).Sudden
releaseofthepusharmcouldcauseinjury.
Anotherpersonisneededtopushthearmdown
duringthisprocedure.
5.Haveanotherpersonpushdownontherightpush
armwhileyouremovethecapscrews,atwashers,
andlocknutssecuringtheballjointmounttothe
castorarmonthecuttingunit(
Figure20).Nowthe
helpercancarefullyallowthepusharmtomove
upward,whichwillgraduallyreleasethe100pounds
(45kg)ofspringload.
Figure20
1.Right-handpusharm
4.Capscrewsandwashers
2.Castorarm
5.Balljoint
3.Balljointmount6.Jamnut
6.Haveanotherpersonpushdownontheleftpush
armwhileyouremovethecapscrews,atwashers,
andlocknutssecuringtheballjointmountand
chainbrackettothecastorarmonthecuttingunit
(Figure21).Nowthehelpercancarefullyallowthe
pusharmtomoveupward,whichwillgradually
releasethe150pounds(68kg)ofspringload
Figure21
1.Leftt-handpusharm4.Capscrewsandwashers
2.Castorarm
5.Balljoint
3.Balljointmount6.Jamnut
7.Rollthecuttingunitawayfromthetractionunit.
MountingtheCuttingUnitto
theTractionUnit
1.Positionthemachineonalevelsurfaceandshutthe
engineoff.
2.Movethecuttingunitintopositioninfrontofthe
tractionunit.
WARNING
Theright-handpusharmisspringloadedto
about100lb.(45kg)andtheleft-handpusharm
isspringloadedtoabout150lb.(68kg).Sudden
releaseofthepusharmcouldcauseinjury.
Anotherpersonisneededtopushthearmdown
duringthisprocedure.
3.Haveanotherpersoncarefullypushdownonthe
rightpusharmuntiltheholesintheballjointmount
lineupwiththeholesinthecastorarm(Figure20).
4.Securetheballjointmounttothecastorarmwith
thecapscrews,atwashers,andangenuts.Position
theatwasherstotheoutsideofthecastorarm.
5.Haveanotherpersoncarefullypushdownonthe
leftpusharmuntiltheholesintheballjointmount
lineupwiththeholesinthecastorarm(Figure21).
Immediatelyslidea4x4inchblockofwood
betweenthetopofthepusharmandtheunderside
ofthechassis.
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