Toro ProCore 864 - Changing the Gearbox Lubrication; Checking the Coring Head Fastener Torque; Inspecting the Belts; Adjusting the Belt Tension

ChangingtheGearbox
Lubrication
ServiceInterval:Aftertherst8hours
Every250hours
Thegearboxislledwith80W-90gearoilor
equivalent.
1.Cleandebrisfromthellplugandthedraincap
toavoidcontamination(Figure30).
2.Removethellplugtorelieveairdraw.
3.Positionadrainpanunderthedraintubeand
removethedraincap.
Note:Thehighviscosityofcooloilextendsthe
draintime(approximately30minutes).
4.Afteroiliscompletelydrained,installthedrain
cap.
5.Fillthegearboxwith1650ml(56oz)ofhigh
quality80W-90gearlube.
6.Installthellplug.
7.Checktheoillevel.
CheckingtheCoringHead
FastenerTorque
ServiceInterval:Aftertherst8hours
Every250hours
Aftertheinitial8hoursofuse,checkthecoringhead
fastenerstoensurethatpropertorqueismaintained.
Fastenertorquerequirementsarelistedonthe
referenceservicedecalbelowandlocatedonthe
coringhead.
decal110-4664
Figure31
1.ReadtheOperator's
Manual.
3.Boltsize
2.Wrenchsize4.Torque
InspectingtheBelts
ServiceInterval:Yearly
Thedrivebelt(s)onthemachinearedurable.
However,thenormalexposuretoUVradiation,ozone
orincidentalexposuretochemicalscandeteriorate
therubbercompoundingovertimeandleadto
prematurewearormaterialloss(i.e.chunking).
Annualbeltinspectionishighlyrecommendedfor
signsofwear,excessivecushioncracks,orlarge
embeddeddebriswithreplacementwhenneeded.
AdjustingtheBeltTension
ServiceInterval:Beforeeachuseordaily
Makesurethatthebeltisproperlytensionedtoensure
correctoperationofthemachineandtoprevent
unnecessarywear.
1.Checkforproperbelttensionbycompressing
idlerspringtoalengthof146mm(5-3/4inches);
refertoFigure32.
decal110-4667
Figure32
1.Springlength
2.Storedenergyhazard—readtheOperator'sManual.
3.Entanglementhazard,belt—stayawayfrommovingparts.
2.Adjustthebelttensionasfollows:
A.Removetherearcoringheadcover(Figure
33).
31