My brother in law has an 09ish b7510 has an issue with his 3 pt hitch. It goes up, but sticks and won’t go down until you kill the engine. The shaft that attaches to the lift control seems to have pressure built up behind it. As soon as we kill the engine, the pressure bleeds off and the shaft...
well, I finally got it drug out of the barn it had been sitting in, on a trailer and into my barn. It was not easy. This thing does not roll free even in neutral. Here are some pics. Which links do you want me to measure?