Toro 08743 - Steering System Problems (Model 08745 Only)

SteeringSystemProblems(Model08745Only)
Problem
PossibleCauseCorrectiveAction
Steeringcomponents(e.g.balljoint,
steeringcylinder)arewornorbinding.
Inspectsteeringcomponentsandrepair
orreplaceifnecessary.
Thechargepressureislow(traction
chargeandliftcircuitperformanceis
alsoaffected).
Verifychargepressure;refertoT esting
theTractionCircuit–ChargePressure
intheHydraulicSystemchapterofthis
manual.
Verifychargepumpperformance;refer
toTestingtheSteeringandLiftCircuit
–ChargePumpFlowandCircuitRelief
ValveintheHydraulicSystemchapter
ofthismanual.
Thesteeringcontrolreliefvalveinthe
steeringcontrolvalveisfaulty.
Verifythesteeringcontrolreliefvalve
operation;refertoTestingtheSteering
andLiftCircuit–SteeringCylinder
andSteeringControlReliefValvein
theHydraulicSystemchapterofthis
manual.
Asteeringcylindershockreliefvalvein
thesteeringcontrolvalveisfaulty.
Repairorreplacethesteeringcontrol
valve
Steeringissluggish,operatespoorlyor
isinoperative.
Steeringcontrolvalveiswornor
damaged.
Repairorreplacethesteeringcontrol
valve.
Turningsteeringwheelturnswheelsin
thewrongdirection.
Hydraulichosestothesteering
cylindersareconnectedincorrectly.
Correcthydraulichoseconnections.
Thehydraulicuidlevelinthehydraulic
tankislow(otherhydrauliccircuit
performanceisaffectedaswell).
Adjustthehydraulicuidlevel.
Chargepumpisnoisyfromcavitation
(steering,tractioncharge,andliftcircuit
performanceisaffected).
Thesuctionlterorsuctionlineis
damaged,loose,orclogged.
Secure,cleanorreplacethesuction
lterorsuctionline.
Troubleshooting:SteeringSystemProblems(Model
08745Only)
Page3–8
SandPro
®
3040and5040
20251SLRevA