Kv 3 furrow rev plough.

[agrimax]

Have the above plough and with the linkage raised,the middle board is noticably lower than the other 2 and, probably obviously when turned over,the middle one is considerably higher.Because of this,the middle points are then thrown out of line. Am pretty sure it's the middle one is wrong and not the front or back. There have been a number of cracks about the legs over time but nothing completely broken off.Everything has been welded in the original position and I can't see anything bent anywhere.
Would the pivot balls and sockets become worn enough to cause this?

 

[daveydiesel1]

Have the above plough and with the linkage raised,the middle board is noticably lower than the other 2 and, probably obviously when turned over,the middle one is considerably higher.Because of this,the middle points are then thrown out of line. Am pretty sure it's the middle one is wrong and not the front or back. There have been a number of cracks about the legs over time but nothing completely broken off.Everything has been welded in the original position and I can't see anything bent anywhere.
Would the pivot balls and sockets become worn enough to cause this?

Is it spring release

 

[James]

Have the above plough and with the linkage raised,the middle board is noticably lower than the other 2 and, probably obviously when turned over,the middle one is considerably higher.Because of this,the middle points are then thrown out of line. Am pretty sure it's the middle one is wrong and not the front or back. There have been a number of cracks about the legs over time but nothing completely broken off.Everything has been welded in the original position and I can't see anything bent anywhere.
Would the pivot balls and sockets become worn enough to cause this?

My first thought was pivot balls and socket

 

[agrimax]

Yes Davey,spring release.
Thanks James. Will try adding washers between the balls and frame. If it works,will replace the balls.