Toro Field Pro 6040 - General Hydraulic System Problems

GeneralHydraulicSystemProblems
Problem
PossibleCauseCorrectiveAction
Thetting(s),hose(s),ortube(s)are
looseordamaged.
Secureorreplacelooseordamaged
hydraulicconnections.
Hydraulicuidisleakingfromthe
system.
TheO-ring(s)orseal(s)aremissingor
damaged.
InstallanewO-ring(s)orseal(s).
Thehydraulicuidlevelinthehydraulic
reservoirislow.
Adjustthehydraulicuidlevel.
Thehydraulicsystemhasawrongtype
ofuid.
Replacethehydraulicuid.
Note:Refertothetractionunit
Operator’sManualforhydraulicuid
specications.
Theincompatiblehydraulicuidsare
mixedinthesystem.
Replacethehydraulicuid.
Thereiswaterinthehydraulicsystem.
Replacethehydraulicuid.
Thehydraulicuidfoamsexcessively
causinguidleakagefromthehydraulic
reservoirbreather.
Thepumpsuctionlinehasanairleak.Replacethepumpsuctionline.
Thehydraulicuidlevelinthehydraulic
reservoirislow.
Adjustthehydraulicuidlevel.
Thesuctionlineisdamaged,loose,or
clogged.
Secure,cleanorreplacethesuction
line.
Thehydraulicuidiscontaminatedor
theuidviscosityistoolight.
Replacethehydraulicuid.
Note:Refertothetractionunit
Operator’sManualforhydraulicuid
specications.
Theuidcoolerairowisobstructed.Verifycoolingoperationandremove
debrisfrominandaroundtheuid
cooler.
Thetractionpump(s)bypassvalveis
openordamaged.
Closeorreplacethetractionpump
bypassvalve.
Thechargepressureislow.
Verifychargepressure;refertoTesting
theTractionCircuit–ChargePressure
intheHydraulicSystemchapterofthis
manual.
Thetractionpump(s)iswornor
damaged.
Verifytractionpumpoperation;refer
toTestingtheTractionCircuit–Piston
(traction)PumpFlowandRelief
PressureTestintheHydraulicSystem
chapterofthismanual.
Thewheelmotor(s)iswornor
damaged.
Verifywheelmotoroperation;referto
TestingtheTractionCircuit–Wheel
MotorEfciencyintheHydraulic
Systemchapterofthismanual.
Thehydraulicsystemoperateshot
(exceeds95°C(203°F).
Note:Ifatractioncircuitcomponent
hasinternalwearordamage,it
ispossiblethattheothertraction
componentsarealsodamaged.
Troubleshooting:GeneralHydraulicSystemProblems
Page3–4
FieldPro®6040
22267SLRevA