Toro Groundmaster Series - Steering System Problems

SteeringSystemProblems
Problem
PossibleCauseCorrectiveAction
Steeringcomponents(e.g.rodends,
steeringcylinder,steeringstops)are
wornorbinding.
Inspectsteeringcomponentsandrepair
orreplaceifnecessary.
Verifyandadjustrodendandsteering
stoplengthsandadjustifnecessary.
Thechargepressureislow(steering
andliftcircuitperformanceisalso
affected).
Verifychargepressure;refertoT esting
theTractionCircuit–ChargePressure
intheHydraulicSystemchapterofthis
manual.
Verifygearpump(P2)performance;
refertoT estingtheSteeringandLift
Circuit–GearPump(P2)Flowand
CircuitReliefValveintheHydraulic
Systemchapterofthismanual.
Reliefvalve(R4)inthesteeringcontrol
valveisfaulty.
Verifyreliefvalve(R4)operation;refer
toTestingtheSteeringandLiftCircuit
–SteeringCylinderandCircuitRelief
ValveintheHydraulicSystemchapter
ofthismanual.
Steeringissluggish,operatespoorlyor
isinoperative.
Steeringcontrolvalveiswornor
damaged.
Rebuildorreplacethesteeringcontrol
valve.
Turningsteeringwheelturnswheelsin
thewrongdirection.
Hydraulichosestothesteering
cylindersareconnectedincorrectly.
Correcthydraulichoseconnections.
Thehydraulicuidlevelinthehydraulic
tankislow(otherhydrauliccircuit
performanceisaffectedaswell).
Adjustthehydraulicuidlevel.
Gearpump(P2)arenoisyfrom
cavitation(steering,tractioncharge,
andliftcircuitperformanceisaffected).
Thesuctionlterorsuctionlineis
damaged,loose,orclogged.
Secure,cleanorreplacethesuction
lterorsuctionline.
Groundsmaster
®
3200,3300and3310
Page3–19
Troubleshooting:SteeringSystemProblems
19240SLRevA