TestingtheSteeringCircuit–SteeringControlValve,ReliefValve
Pressure,andSteeringCylinder(MachineSerialNumbersabove
316000000)
g224913
Figure71
Unitsteeringperformancewillbeaffectedbyincorrectreartirepressure,binding
inthehydraulicsteeringcylinder,extraweightonthevehicle,and/orbindingof
thesteeringforks.Ensurethattheseconditionsarecheckedandfunctioning
properlybeforeproceedingwithanysteeringsystemhydraulictesting.
Note:Thereliefvalveforthesteeringcircuitisintegratedintothesteering
controlvalve.
TestProcedure
1.Ensurethatthehydraulicuidisatnormaloperatingtemperatureby
operatingthemachineforatleast10minutes.
2.Drivethemachineslowlyinagureeightonaatlevelsurface.
HydraulicSystem:TestingtheHydraulicSystem
Page5–66
Groundsmaster
®
3280-D/3320
05138SLRevB
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