Mine did that with a brush hog on te back and it was the seal on the hydraulic piston under the seat for the 3 ptMy Ford 1910 bounces when I lift an implement on the 3-pt hitch and the front loader operates a little slow. I just replaced the hydraulic oil filter and I just replaced the U seal on the hydraulic piston, which was in bad shape. The hydraulic oil level is overfilled, but I don't see any evidence that this could cause the problem. The service manual is NO HELP at all in troubleshooting this. Anybody know what the problem could be? I'm stumped because I really thought that replacing the bad seal would fix it.
Thanks for posting the solution.Everyone, thanks for you suggestions. I found the culprit. It was this little spring (circled in red) that pushes against the steel ball inside the flow control valve. It looks like someone took it apart in the past and when they put it back together they must have crushed the spring with the valve body (#6 below) because it was all deformed/mangled. Works fine now.
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