I don't have an AD but it does not look challenging to me. It's one of those take it apart and see what it needs. Round bushings/tubes rotating on a round rod or tube is what I assume. If it's too far gone or out of your fabbing skills, maybe buy a donor..........OR
HERE is some of what you need.

Also maybe: click and click

Good chance for you to do a tip. Do what a professional photographer does, take many many pics, then choose the best for the tip.

Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn