Thank you for filling in here. It did turn out to be bad diodes and after replacing them spindle runs fine.

I just joined the forum i purchased a orac lathe from a local college auction and after found this forum. I'm currently having issues and hope one of the members may be able to help me. I had issues with my limit switch on the x axis after i first purchased my orac lathe. I was using the l.s. overri...