This week I tested the pressure relief of the pilot system on the mini excavator. The first thing that you have to do is get the hydraulic system up to temp by moving the hydraulic controls around. Then you hook a pressure tester up to the test port on the excavator and then holding one of the control levers all the way over till the hydraulic cylinder for that function is all the way in or out and then you keep holding it so the pilot system builds up enough pressure to have to bypass and you are able to get your pressure reading.
This week = 37, total = 321
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