Toro 31598 - Belt Maintenance; Belt Inspection and Replacement

BeltMaintenance
ServicingtheAlternatorBelt
ServiceInterval:Aftertherst10hours—Checkthe
alternatorbelttension.
Every1,000hours—Checkthe
alternatorbelttension.
RefertotheEngineOperator’sManual,includedwith
themachine,fortheservicingprocedure.
ServicingtheCompressorBelt
ServiceInterval:Aftertherst10hours—Checkthe
compressorbelttension.
Every1,000hours—Checkthe
compressorbelttension.
Model31599only
1.Loosenthecompressorpivotboltandadjustingbolt
(
Figure79).
2.Insertatorquewrenchintothesquareholeinthe
compressorbracket(
Figure79).
Figure79
1.Compressorbelt3.Squarehole
2.Mountingbolt4.Pivotbolt
3.Rotatethewrenchuntilatorqueof27–33ft-lb
(37–45N∙m)isattained.
4.Tightenthemountingbolts.
ReplacingtheBladeDrive
Belts
ServiceInterval:Every50hours—Inspecttheblade
drivebelts.
Every1,000hours—Replacethe
drivebladebelts
Thebladedrivebelt,tensionedbythespringloaded
idlerpulley,isverydurable.However,aftermanyhours
ofuse,thebeltwillshowsignsofwear.Signsofaworn
beltare:squealingwhenbeltisrotating,bladesslipping
whencuttinggrass,frayededges,burnmarksandcracks.
Replacethebeltifanyoftheseconditionsareevident.
FrontCuttingUnit
1.Lowerthecuttingunittotheshopoor.Remove
thebeltcoversfromthetopofthecuttingunitand
setthecoversaside.
2.Onthefrontdeck,loosenthejamnutsontheidler
pulleystopscrewandthreadthestopscrewinto
thebracket(
Figure80).
3.Usingaratchetwrenchorsimilartool,movetheidler
pulley(
Figure80)awayfromthedrivebelttorelease
thebelttensionandallowthebelttobeslippedoff
thedeckpulleys.
Figure80
1.Idlerstopscrew3..10to.16inch
2.Idlerpulley
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