I wrote a while back that my 3 point hitch won't stay up and need more help. I disconnected the bush hog and the arms have about 3 or 4" of free play at the ends. My 3 point hitch falls down if the lever isn't in the up position. I removed the 6 bolts, 2 nuts and the hydraulic line from the top case and it won't come off. What's the secret? Thanks, Alex