Had some problems with my power hammer. Sorry to say I’m rather at sea when it comes to troubleshooting pneumatic systems, but with help from Ontario blacksmith, Dave Robertson at www.ArtistBlacksmith.com, the problem may be solved. Worn out rollers on the cam activators for the pilot valves. (I think that’s the correct terminology.) I also need to check . . . → Read More: Not much happened in the shop this week