Bridgeport-Mill About Bridgeport-Mill. We specialize in Bridgeport Mill repair parts and all kinds of Bridgeport owner, service, operator, Instruction, maintenance manuals, electrical, and other diagrams and also technical support for Bridgeport Mills. Bridgeport Machines Inc. - Publication Reprints PLEASE NOTE: VintageMachinery was founded as a public service to amateur and professional woodworkers who enjoy using and/or restoring vintage machinery. Our purpose is to provide information about vintage machinery that is generally difficult to locate. VintageMachinery does not provide support or parts for any machines on this site nor do we represent any manufacturer listed on this Bridgeport Milling Machine Parts Diagrams Series IJ and 2J "HOW TO QUICKLY TRAM A BRIDGEPORT MILL" Extend the quill a little over 3" and lock it. Place a 0-1" dial indicator so that it rests against the top of the quill. Adjust the table to read a preload of 100 thousandths. Crank the table down exactly 3" using the dial on the crank. Multiply the reading times 3.