Quote:
Originally Posted by Cat336
Hello,
I am working on a large scale excavator and so far everything has been going well. One issue that has arisen is the pressure relief valve on the IPZ1hR7 Jung hydro pump purchased from Premacon. The question lies in the the ability to adjust the relief pressures. I have tried adjusting the relief valve by tightening and loosening the center stem but it seems to not make a difference.
Does anyone know what pressure the relief valve is set too. I have a pressure gauge just before the valve block, straight off the pump and its seen peak pressures up to 34 bar and has not tripped.
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I also had this same pump with the built in PRV, my PRV would do the same I suggest you contact Premacon and tell them the problem. I changed my pump out to have a separate PRV now all is fine