drive belt

I am having a problem on getting the a new belt aligned to stay on the spindle pulley. I know there is probably some type of shimming that needs to be done and thought that somebody could share some thoughts on doing this. I have spent several days trying to align this to no avail. Any thoughts...

Hi! Just joined. Happy to have found the IAP! Retired Engineer with a workshop and lots of tools. Just started turning pens. Having a great time. Having a problem with Steel CIty. No Customer Support. Can't find a replacement drive belt. They don't answer the phone here in Ontario. They don't...