Service and Repair Manual
Hydraulic Symbols Legend
Hydraulic Symbols Legend
Orifice with size
Pump, fixed displacement
Solenoid operated 3
position 4 way directional
valve
Filter with bypass relief
valve
Pilot operated flow
regulator valve
120
Check valve
Pump, prime mover (engine
or motor)
Solenoid operated
3 position 5 way
directional valve
Relief valve with pressure
setting
Dual piloted relief valve
GS-2669 DC • GS-3369 DC • GS-4069 DC
Cylinder, double acting
Pressure switch
Solenoid operated 2
position, 3 way directional
valve
Solenoid operated
proportional valve
Counterbalance valve with
pressure and pilot ratio
November 2016
Accumulator
Needle valve
Solenoid operated 2
position 2 way directional
valve
Differential sensing valve
Priority flow regulator
Part No. 1272220GT