I have two: bathroom and kitchen sink. I understand how to take apart and repair with the exception that I do not know how to remove the chrome multi toothed ring. Does it unscrew and if so, how do you do so without damaging the chrome.

This link and video may help you. delta faucet repair - Google Videos (http://video.google.com/videosearch?hl=en&q=delta+faucet+repair&um=1&ie=UTF-8&ei=NzooSurqPJSdlQer0rWvAw&sa=X&oi=video_result_group&resnum=4&ct=title#)

I have two: bathroom and kitchen sink. I understand how to take apart and repair with the exception that I do not know how to remove the chrome multi toothed ring. Does it unscrew and if so, how do you do so without damaging the chrome.

Here is a kitchen sink faucet.(see image) Show me your problem. Since you failed to give any details about your bathroom faucets, Tub/shower or lavatory faucet, we can't be of any help there. Regards, tom