Swash PlateA PortChargePressure300Charge PumpReliefCheck ValveCheck ValveChargePumpB PortHydrostaticPumpHot OilShuttleHot OilShuttleEngineMotorPressure Compensate(Override / Servo) PistonPressure Supply LineTank LineSequenceValveSequenceValveCrossPortReliefs(For Shock Only)CrossPortReliefCrossPortRelief260 PSIpsiLow PressureHigh PressureVacuum PressureDrain PressureColors LegendMedium Pressure300 PSI3000 PSI3000 PSI