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Simple Hydraulic Proportional Valve Tester (using 1 Bar air pressure) - YouTube

The simplest and cheapest way to make a tester for checking and adjusting your hydraulic proportional valves. Ideal for field repair jobs. Needs only 24V from battery and a little air from eg spare-tyre. On the tester a Rexroth 4WREE 6. Step1: To adjust b...

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