Recent content by Duff

Pull the valve off and check the ferrules on the tube. Then check behind the ferrules, to see if the tube is cracked.

The 3rd hose is to send oil back to the tank, once the set pressure of the relief valve has opened. "But how to plumb this back into the system?" You have plumbed it into the system, its going back to tank. You could add a crossover relief valve block, and this would dump oil from the piston...

Totally agree with this. But to add a little more.. You could also install a HP filter to the inlet side of your post rammer.

Your relief valve in your circuit is working correctly. When you hear your relief valve working, when you put your thumb against the bucket, 40+ Litres/min ( from the pump ) is flowing through your relief valve. When you put the bucket up against the thumb, and the cylinder comes in, your relief...