Toro Field Pro 6040 - Traction Circuit Component Failure

TractionCircuitComponentFailure
ThetractioncircuitforFieldPro6040machinesconsistsof2closedloopcircuits
(oneforeachrearwheel)withasharedchargecircuit.Eachclosedloopcircuit
includesitsownhydraulicpumpandhydraulicwheelmotor.Ifacomponent
inthetractioncircuitshouldfail,unwantedmaterialandcontaminationfrom
thedamagedcomponentwillcirculatethroughoutthattractioncircuit.This
contaminationcandamageothercomponentsinthatcircuit.Thecontamination
mustberemovedassoonaspossibletopreventadditionalcomponentfailure.
Therecommendedmethodtoremovecontaminationfromthetractioncircuit
istotemporarilyinstallaT orobidirectionalhighowhydraulic-uidlterinto
thecircuit;refertoBidirectionalHighFlowHydraulicFilterKit(page2–16).Ifa
tractioncircuitfailureissuspect,theltershouldbeinstalledbeforeconnecting
hydraulictestgaugestotesttractioncircuitcomponentsorafterreplacingafailed
tractioncircuitcomponent.Thelterwillensurethatcontaminatesareremoved
fromtheclosed-looptractioncircuitandthus,preventadditionalcomponent
damage.RefertoFilteringtheClosed-loopTractionCircuit(page5–51)for
additionalinformationonusingtheTorohighowhydrauliclter.
Note:Iftractioncircuitcontaminationexists,thetractionpumpcasedrainscould
allowcontaminatestoenterthehydraulicreservoir.
ThealternativetousingtheT orobidirectionalhighowhydrauliclterkitaftera
tractioncircuitcomponentfailurewouldbetodisassemble,drainandthoroughly
cleanallthecomponents,thehydraulicreservoir,andthehydraulictubesand
hosesinthetractioncircuit.Ifanydebrisremainsinthetractioncircuitandthe
machineisoperated,thedebriscancauseadditionalcircuitcomponentfailures.
HydraulicSystem:GeneralInformation
Page5–6
FieldPro®6040
22267SLRevA