Sun Sep 15, 2013 1:59 pm by DR2
Yes, I am currently fighting with four of them as a side project. Turn the key to approximately 30 degrees and wack the body with a rubber mallet to drive the retaining pin into the screw hole at the bottom of the shackle hole and either the core will come out easy or you will have to grapple with it. I have not seen one come out easy yet and have not seen one that was exactly 30 degrees on the plug turning, either. But that is where you have to start and pound on the thing.
"Any sufficiently advanced technology is indistinguishable from magic." ~ Arthur C. Clarke's Third Law of Prediction