[texastrendz]

if you are talking about the threaded cups onto the shaft, well, i am having the same problem. no one on this forum could answer that question. what i did is counted the turns on both sides. started it on the threads on each end and did a full turn on each end. it came out pretty much centered. have not taken it to the alignment shop yet. you can still adjust the top for the caster if it is a little off.