Toro CT2120 30655 - Belt Maintenance; Tensioning the Alternator Belt

9.Aftertowingthemower:Toreturnthemower
toitsnormalworkingconditionthefollowing
proceduremustbedone.
A.Chockthefrontwheels.
B.Closethebypassvalveonthetransmissionpump
byturningitclockwise.
10.Commissionthefrontwheelmotordiscbrakes
asfollows:
Note:EnsuretheM12x40setscrewsareremoved
andstoredunderneaththeoperatorplatform.
A.Identifytherighthandfrontwheelmotordisc
brakeassembly.
B.Rotatethesetscrewanti-clockwiseandremove
togetherwithwasherandbrakereleasebar.
C.Assemblethehexplugintothemotorendplate
(
Figure61).
1
2 3 4
g014451
Figure61
1.Frontwheelmotor
111–2557
3.WasherM12–09485
2.Hexplug950639
4.SetscrewM12x40—
XH1L040U
D.Identifythelefthandfrontwheelmotor
discbrakeassemblyandrepeattheprevious
procedure.
E.Removethewheelchocks.
F.Disconnectthetowbar.Themowerbraking
systemwillnowoperateinthenormalway.
WARNING
Beforeusingthemower,ensurethatthebraking
systemoperatescorrectly.Carryoutinitial
checkswiththemoweratslowspeed.Donot
operatethemowerwithadamagedbraking
system.Donotoperatethemowerwiththebrakes
de-commissioned.
BeltMaintenance
Checktheconditionandtensionofthealternatorbelt
aftertherstdayofoperationandevery100operating
hoursthereafter.
TensioningtheAlternatorBelt
ServiceInterval:Aftertherst8hours
Every100hours
1.Openthehood.
2.Checkthetensionofthealternatorbeltbydepressing
it(
Figure62)midwaybetweenthealternatorandthe
crankshaftpulleyswith10kg(22lb)offorce.
Figure62
1.Brace3.Pivotbolt
2.Alternatorbelt
Thebeltshoulddeect11mm(7/16inch).Ifthe
deectionisincorrect,proceedtostep3Ifcorrect,
continueoperation.
3.Loosentheboltsecuringthebracetotheengine
(Figure62),theboltsecuringthealternatortothe
braceandthepivotbolt.
4.Insertaprybarbetweenthealternatorandthe
engineandpryoutonthealternator.
5.Whenyouachievethepropertension,tighten
thealternator,braceandpivotboltstosecurethe
adjustment.
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