Hope you'll forgive a pom for posting here - I noticed this thread while I was doing a bit of work on a guide I am writing and thought I;d at least let you know its there - it maye be useful for some of your members if they are contemplating a strip down of the HEQ5 mount.
The guides located at
http://www.adur-astronomical.com/heq...ld/heq5-m1.htm
Its not fully completed yet but will be by the weekend.
Apologies if I am not supposed to link to stuff here but I thought it may be of use.