Here's a link from the Machinery Manuals and Brochures section. Other manuals can be found there and on the Yahoo Groups section for Bridgeports.
http://kneemills.com/index.asp?html=Documentation
Clean and lube it according to the instructions. There are some threads here on unclogging the lube system (search on Bijur).
Your Bridgeport has a one shot system so the zerk fittings were removed and replaced with the hose fittings. In either case the correct lube is way oil and not grease.
Good luck with it.
Steve.