Hsm rapid pressure reduction, Model 239.32 hsm hydraulic schematic – MTS Model 293-32 Hydraulic Service Manifold User Manual
Page 21

HSM Rapid Pressure Reduction
The control manifold dumps hydraulic pressure rapidly when the high and low solenoid valves are
de-energized simultaneously to turn off the fluid flow and port the output pressure line to the return line.
The control circuit is connected to the drain line and pressure in the control circuit drops rapidly, allowing
downstream pressure and a control spring to close the main control valve. HPU pressure is disconnected
from the pressure output. At the same time, the pressure output is connected to the return line by the main
control valve, and the pressure accumulator is drained.
Model 239.32 HSM Hydraulic Schematic
Model 293.32 Hydraulic Service Manifold | 21
Introduction
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