Toro ProCore 648s - Drive System Maintenance; Checking the Tire Pressure; Belt Maintenance

DriveSystem
Maintenance
CheckingtheTirePressure
ServiceInterval:Every50hours/Monthly(whichever
comesrst)
1.Preparethemachineformaintenancereferto
PreparingtheMachineforMaintenance(page
65).
2.Checktoensurethattheairpressureinalltires
is83kPa(12psi).Checkthetireswhentheyare
coldtogetthemostaccuratepressurereading.
Important:Uneventirepressurecancause
unevencoringdepth.
g010030
Figure173
1.Valvestem2.Wheelweight
CAUTION
Thewheelweightisveryheavy,33kg(73lb).
Usecautionwhenremovingitfromthetire
assembly.
BeltMaintenance
InspectingtheBelts
ServiceInterval:Yearly
Thedrivebeltsofthemachinearedurable.However,
thenormalexposuretoUVradiation,ozone,or
incidentalexposuretochemicalscandeteriorate
therubberovertimeandleadtoprematurewearor
materialloss(i.e.,separatedormissingbeltplies).
1.Removethebeltcover;refertoRemovingthe
BeltCover(page66).
2.Inspectthehydraulic-pump,jackshaft,and
crankshaftbelts(Figure174)fordamage,wear,
excessivecushioncracks,orlargeembedded
debris.
Note:Replacethebelt(s)whenneeded.
g341466
Figure174
1.Crankshaftbelt
2.Hydraulic-pump
belt
3.Jackshaftbelt
3.Installthebeltcover;refertoInstallingtheBelt
Cover(page67).
AdjustingthePumpBelt
ServiceInterval:Aftertherst8hours
1.Preparethemachineformaintenancereferto
PreparingtheMachineforMaintenance(page
65).
2.Removethebeltcover;refertoRemovingthe
BeltCover(page66).
3.Loosentheange-headcapscrewandange
locknutthatsecuretheidlerpulleyforthe
hydraulic-pumpbelt,untiltheboltmovesinthe
slotoftheidlersupport(Figure175).
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