Toro Field Pro 6040 - Testing the Traction Circuit - Piston (traction) Pump Flow and Relief Pressure

TestingtheTractionCircuit–Piston(traction)PumpFlowand
ReliefPressure
g417685
Figure32
TractionCircuit–Piston(traction)PumpFlowandReliefPressure(rightsidetestshown)
Thepiston(traction)pumpowtestisthethirdinaseriesoftestsrecommended
todeterminethetractioncircuitperformance.ThistestcomparesuidowatNo
LoadwithuidowUnderLoad.Adropinowunderloadofmorethan12%
indicatesaninternalleakormalfunctioningreliefvalveinthetractionpump.
Thenaltractioncircuittestisverifyingthehydraulicpumpforwarddirection
reliefvalveoperation.Awornhydraulicpumpormalfunctioningreliefvalveis
HydraulicSystem:TestingtheHydraulicSystem
Page5–30
FieldPro®6040
22267SLRevA