SECOND RECHARGE STAGE FLUID FLOW PATTERN TRAVEL CUSHION AIR TANK VALVE PRV HIGH PRESSURE AIR SOLENOID (TYPICAL) DEPRESSURIZED PRESSURIZED DEPRESSURIZATION PISTON RETRACTED RETURN SPRINGS HYDRAULIC FLUID DEPRESSURIZED HYDRAULIC FLUID PRESSURIZED DIAMOND-SHAPED ACTUATOR (DSA) AT MINIMUM VOLUME DISPLACEMENT PISTON (DP) AT MAXIMUM VOLUME 99% of the fluid returned to the DP from the DSA and DEPRESSURIZATION PISTON in the first recharge stage. The fluid flow pattern illustrated in green returns the 1% of the fluid to the DP from the cushion tank. When 100% of the fluid is returned to the DP the circuit automatically restarts the drive stage. The invention's cycling performance graph is presented on page 15.333, IMAGE 4. 15.341 See page 13.257 of the APS Training Manual for full details.
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