Toro Groundsmaster 3400 - Belt Maintenance; Tensioning the Alternator Belt

9.Aftertowingthemower,returnthemowertoits
normalworkingconditionbyperformingthefollowing
procedure:
A.Chockthefrontwheels.
B.Closethebypassvalveonthetransmissionpump
byturningitclockwise.
10.Engagethefrontwheelbrakesasfollows:
Note:EnsurethattheM12x40setscrewsare
removedandstoredunderneaththeoperatorplatform.
A.Identifytheright,frontwheelbrakeassembly.
B.Rotatethesetscrewcounter-clockwiseand
removewithwasher.
C.Assemblethehexplugintothemotorendplate
(Figure47).
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2 3 4
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Figure47
1.Frontwheelmotor
3.Washer(M12)
2.Hexplug
4.Setscrew(M12x40)
D.Identifytheleftfrontwheel-brakeassemblyand
repeatthepreviousprocedure.
E.Removethewheelchocks.
F.Disconnectthetowbar.Themowerbraking
systemwillnowoperateinthenormalway.
WARNING
Operatingthemachinewithoutthebrakes
functioningproperlycancausepersonalinjuryor
deathtoyouandothersanddamagetothemachine
andproperty.
Beforeusingthemower,ensurethatthebraking
systemisoperatingproperly.
•Checkthemachineafterservicingthebrakes
initiallyataslowspeed.
•Donotoperatethemachineifthebrakesare
damagedorremoved.
BeltMaintenance
Checktheconditionandtensionofthealternatorbeltafter
therstdayofoperationandevery100operatinghours
thereafter.
TensioningtheAlternatorBelt
ServiceInterval:Aftertherst8hours
Every100hours
1.Openthehood.
2.Checkthetensionofthealternatorbeltbydepressing
it(Figure48)midwaybetweenthealternatorandthe
crankshaftpulleyswith10kg(22lb)offorce.
g003976
Figure48
1.Brace3.Pivotbolt
2.Alternatorbelt
Thebeltshoulddeect11mm(7/16inch).Ifthe
deectionisincorrect,proceedtostep3Ifcorrect,
continueoperation.
3.Loosentheboltsecuringthebracetotheengine
(Figure48),theboltsecuringthealternatortothe
brace,andthepivotbolt.
4.Insertaprybarbetweenthealternatorandtheengine
andpryoutonthealternator.
5.Whenyouachievethepropertension,tightenthe
alternator,brace,andpivotboltstosecurethe
adjustment.
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