Found another problem too.
the bearings in the pulley at the top of the y-axis belt was warn out too. see pic below.
I dont have the instructions/parts catalogue. The link to it on the forum was also dead.
can I have the pars number for this bearing aslo + a link to the instructions?
Do you sell the diagonal rods + pulley bearings?

- bearings pulley belt.JPG (114.24 KiB) Viewed 18649 times