8-TROUBLESHOOTING
Steeringsystem-Troubleshooting
Problem
PossibleCauseCorrection
Nosteeringorexcessive
effortrequiredtosteer.
Incorrectoillevelinthetank.Fillwiththecorrectoiltypeandquantity.
Checkforlooseconnectionsordamaged
lines.Bleedthesystem.
Airinthesystem.
Checkthesystempressure.
Pumpreliefvalvefaulty.Replacethereliefvalve.
Wornpump.Replacethepump.
Leakingpowercylinder.Eliminatetheleak.
Damagedvalvespool.Replacethespool.
Brokenordamagedsteeringcolumn.Inspectandrepair.
Damagedorwornmeteringelement.Replacethemeteringelement.
Thesteeringwanders.
Excessiveclearanceintheballjointsofthe
steeringconnectingrods.
Inspectandreplace.
Leakingpowercylinder.Eliminatetheleak.
Controlvalvespoolstuckorworn.
Replacethespool.
Damagedorwornmeteringelement.Replacethemeteringelement.
Frontwheelsoscillating
whensteering.
Leakingpowercylinder.Eliminatetheleak.
Controlvalvespoolstuck.
Replacethespool.
Damagedorwornmeteringelement.Replacethemeteringelement.
Noisypump.Incorrectoillevelinthetank.Fillwiththecorrectoiltypeandquantity.
Airinthesystem.
Checkforlooseconnectionsordamaged
lines.Draintheoilfromthesystem.
Waterinoil.Drainandchangetheoil.
Wornpump.Replacethepump.
8-13