Toro 58602 - Belt Maintenance; Checking and Adjusting the Belt Tension

BeltMaintenance
CheckingandAdjustingthe
BeltTension
ServiceInterval:Beforeeachuseordaily
Every2hours
Thebelttensionmaydecreaseovertime.Youmay
needtoadjustthebeltwithinthersthalfhourof
operation.
Important:Checkthebelttensionregularly.
Improperbelttensionmaycauseprematurebelt
wear.
Thebeltmayneedadjustmentifthereisaconstant
buzzingsoundwhilethetinesareengagedorifthere
isasquealingsoundwhenthetinesareengagedand
underload.
Note:Youmayhearashortbuzzingsoundafter
releasingthedrive-controlleverwhileusingthe
machine.Thisisnormalandiscausedbytheteethof
thecoggedbeltcontactingthewirebeltguidetostop
rotation.Youdonotneedtoadjustthebelttension
forthis.
1.Removethedirtshield.
g356418
Figure23
1.Nut(4)3.Bolt(4)
2.Dirtshield
2.Withthedrive-controlleverintheneutral
position,measurethelengthoftherelaxed
cablespring.
g356417
Figure24
1.Cablespring
3.Pulldownthedrive-controlleverandmeasure
thelengthoftheextendedcablespring.The
differenceshouldbe0.6cm(1/4inch).
4.Ifthebeltneedsadjustment,holdthelower
jamnutontheadjustablecableinplaceand
adjusttheupperjamnutin0.32cm(1/8inch)
increments.Checkthetensionagain,and
repeatasnecessary.
Note:Ifthetensionisincorrectandyoucannot
adjustthejamnutsfurther,movetheZ-bendend
ofthecabletothenextholeinthedrive-control
leverasshowninFigure26.Ifthetensionisstill
incorrect,replacethebelt.
g356421
Figure25
1.Upperjamnut2.Lowerjamnut
18