Dissolving crud

I scraped down to the original SB paint around both oilers, but found no evidence of pipe plugs anywhere. The oilers seem to be mounted on pipe-plugs themselves, I was able to remove the left-hand one, but the casting interferes with removing the right-hand. I did find 2 little holes, one above each oiler. They correspond to the little black dots shown on your photo. They seem to go right through inside the headstock itself- a fine allen wrench didn't hit anything up to an inch or so in. Since I hadn't got the headstock clamped down yet, I just tipped it over onto some 2x2 scraps and let the oil drain, then refilled with the 5W Mobil 1- now it comes with a blue cap apparently... The drained oil came out clean.

I'm ordering the manual from LeBlond, but it will take a few days...

Gregm

The in-line back-pressure and over-pressure valves use the double set-screws with one setscrew being hex-hole-all-way-through - so it is easier to adjust the spring tension with the inner setscrew and then lock it with the outer one. At least, the Nupro/Swagelok models do use this design.

Of course, still, curse and kill everyone who designs devices will in-line adjustable valves, that need to be takes out of pipeline, and adjusted from inside parts. They are not too nice to adjust in real life, to say the least..

Kristian Ukkonen.

I ran into one of those when I replaced the screw in my Bridgeport mill spindle that engages the slot in R8 tooling. That screw is held in by a set screw that has a thru hole. Maybe a dab of grease next time might hold it onto the wrench just enough to get it started! - GWE