We have been engineering an ash/chicken litter spreader for the last several months. We have been trying to get our first load off for a week. Today we spent all day trying to get the thing to run. We mounted it on a truck and are running the hydraulic system off of a pto unit. We have put in relief valves, variable speed control valves and return lines and we still have not figured out why it will not work. It appears that our variable speed control valve box didn't work. However, we then discovered that our pressure line was not the pressure line but the return line so we had oil traveling through the system backwards. A few minuets ago we tried again and everything was running backwards. So in the morning we will switch a few hoses around and we should have it.
we hope...
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