This is considered a 2-person job, and it's dangerous!
You really need to get the model number. It's usually located inside the oven, near the door seal, or on the back (of course making it a challenge!)
Once you have the model, you can order an installation guide, which will show you how to remove it safely.
Even if you don't get the installation manual, I would suggest seeing exploded views here http://tinyurl.com/gv383 or here http://tinyurl.com/2w4fw3
William E Miller † MicrowaveDisplay.com, March 2007
