Hey samspops!! ljones I don't think your links are working, at least for me they were a deadend. So I'm reposting links for UD-6 install manual and parts manual. Hope they work for ya!!
http://ccmanuals.info/pdf/Danco%20UD...%20Install.pdf

http://ccmanuals.info/pdf/Danco%20UD...rts%20List.pdf