Hi Will, and welcome to Outdoorking. Is your mower a 30" Queen like this one?
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I can't find a copy of an Owner Manual in the manuals section at present. However here is the section from the Rover Queen manual on height adjustment:

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You can view the 28 pages of this manual on-line free here:
http://www.manualslib.com/manual/142599/Rover-300361.html

Your 30" electric Queen is a rather special piece of precision equipment, and I recommend that you proceed very carefully in adjusting and maintaining it. I'm sure our reel mower guru, Deejay, will join this thread and help. You should pay attention to his advice on the reel adjustment procedure, in particular.

Last edited by grumpy; 21/12/12 04:08 AM. Reason: Add URL for on-line manual