Toro Groundsmaster 5900 Series - Steering Circuit Problems

SteeringCircuitProblems
Problem
PossibleCause
Steeringinoperativeorsluggish.Steeringcomponents(e.g.tierods,steering
cylinderends)arewornorbinding.
Steeringcylinderisbinding.
Oillevelinhydraulicreservoirislow(Note:
Otherhydraulicsystemsareaffectedaswell).
Steeringreliefvalve(RV1)incombination
manifoldisstuckordamaged.
Pressurecompensatorvalve(LC)in
steering/deckliftmanifoldisfaulty.
Oneorbothofthesteeringcylindersleak
internally.
Steeringcontrolvalveiswornordamaged.
Gearpumpsectioniswornordamaged(Note:
Awornordamagedgearpumpsectionwill
alsoaffectthelift/lower,enginecoolingfan
motorandtractionchargecircuits).
Troubleshooting:Page3–8
Groundsmaster
®
5900&5910
16227SLRevB