Junkman
Super Member
I was doing some checking today on my Kubota BX22 hydraulic system pressures. I found that the main pressure in the system was about 2300 PSI, however the auxiliary valve on the tractor was set to only 1500 PSI. I would like to know how to adjust this valve so it gets full pressure going to the cylinder. I was told that it is a closed center valve and that the reliefs were set too low. Here is a picture of the valve when I was first installing it. There appears to be a jam nut and screw that takes a Alan wrench at the top right corner of the valve. Is this the adjustment or is it the bottom part with the cover on it?????? ... thanks ...... the original Junkman