I have the 4002A drawer unit and keyboard maintenance manual. I don't
have the monitor manual. I also have the 611 monitor manual. Not sure
how close either will be to your unit. The 4002A looks similar to the
picture online. It will be a couple weeks before I can scan them if they
are useful.
David Gesswein
http://www.pdp8online.com/ -- Run an old computer with blinkenlights