Bridgeport - Chudov
>1) Lower the quill. > >2) Look for a hole in the back of the quill. > >3) rotate the spindle so an Allen socket lines up > with the hole. > >4) Reach in through the hole, loosen the Allen socket a partial > turn, and reach through that socket to another behind it. > >5) Unscrew both fully, and draw out (trying to not lose them > inside the quill. > >6) Replace the front one (a dog point Allen ...