February 2012 Section 6 • SchematicsPart No. 122985 S-80 • S-85 • S-80X 6 - 3Hydraulic Symbols LegendPumpfixed displacementMotorbi-directionalAccumulatorShut off valveCheck valve2 position, 3 way, shuttle valveDouble actingcylinderPriorityflow regulator valveDifferentialsensing valveSolenoid operatedproportional valveHydraulic oil coolerBrakePilot operated 3 position,3 way, shuttle valveFilter withbypass valverelief setting25 psi(1.7 bar)Motor2-speed,bi-directionalPumpbi-directional,variable displacementEPump prime mover(engine or motor)Directional valve(mechanically activated)oRelief valvewith pressure setting200 psi(13.8 bar)Orifice with size.035"(0.89 mm) Solenoid operated 3 position,4 way, directional valveDirectional valvepilot operated2 position, 2 wayFlow divider/combiner valvewith pressure balancing orificeand flow percentages50% 50%Counterbalance valvewith pressure and pilot ratio(206.8 bar)3000 psi3:1Solenoid operated 2 position,3 way, directional valve2 position, 2 waysolenoid valve
