CDA EVG Series Istruzioni per gli Interventi Pagina 244

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Copyright © 2012 EVG 37
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4.3.2 Hydraulic System Upgrade (currently used)
4.3.2.1 Schematics
Without back pressure control
Figure 30 - Hydraulic System without backpressure control
Note:
“Piston up” and “pressure-converter up” are connected and use a pneumatic
pressure of 2bar. A medium separator is used to build up a hydraulic pressure
of 2bar to drive the hydraulic piston up.
The hydraulic-cylinder is a “double-acting” cylinder with hydraulic-function for
up and down motion.
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