There should be at least one oldtime commercial tire shop in your area. Spend a little time getting acquainted with the oldest guy in the place, and I'll bet he shares a few secrets with you about how to go about breaking down a multi-piece rim safely and efficiently. There are a lot of tricks of the trade involved!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!