Sequence valve

I’ll try to be short as possible. We have 2 prime 14 yards dirt pans. They’re no longer made but look to be about identical to a Reynolds 1410. What does the sequence valve do or the adjustment do may be the better question. I know when u lift the gate and it bottoms out then the bowl will raise to dump and I’m thinking the sequence valve makes that happen. So if I adjust it in or out what does that do speed up the function? Hers the issue. We’re using one of the pans. The cylinder on one side of the bowl had a broken pin and the bearing was froze. I robbed a pin and cylinder from the other pan. When i swapped the cylinder and pin I screwed up and had two of the lines crossed on the tractor. I couldn’t get the cylinder to extend so I could put the pin in. It would move out but barely. I had the hydraulics in a dead lock basically. I finally figured it out but I think I damaged something. Maybe the check valve in the system. It’s working and we used to it to a job but the bowl raises very slow to dump full or empty unless when u lower the back wheels to raise the pan u leave the lever dead headed the hit the bowl dump lever it moves fast. I’m sure I’m very confusing. I switched the sequence valve with the other pan and no change. Could I have blown the check valve somehow. I’m going to hook to the other pan since we have the tractor back and I’m sure it will Perform as it should but I’d like to figure out what I’ve done to the other one. Thanks and sorry for the long post