Sandblasting Advice Needed

With the weather warming up, I'm looking to embark on a full repaint of my Gradall. For surface prep, I'd like to sandblast instead of sand. Problem is, I don't have any experience with gearing up for this.

What would you recommend for a unit? I'm looking at a typical 50/100lb rolling unit. Not doing bridge beams, but my limited experience with my friend's hopper gun suggests one of those won't cut it.

My biggest concern is containment/media control. Do I need to build some kind of...

Sandblasting Advice Needed

Sandblasting Advice Needed