I picked up this little machine from Paul because I thought it might make a good starter mig for my stepson's lad, he's 16yrs old and an apprentice mechanic and Paul let it go so cheap it would be rude not to. It's been sat un-used for many years so it needed a good clean up and service. I've got it stripped down on the bench right now. So I've stripped down the torch and removed the old plastic liner. Junked the small reel of 0.6mm wire because it was going rusty. Cleaned out the swan neck, straightened the spring inside so the wire exits dead centre instead of off to one side. I've bought a steel liner but now I am wondering if it's a good idea fitting a steel liner to an always-live torch? I can't think of any reason why it would be any different to a switched-live torch but I thought I would ask. I've also stripped and greased the feed motor gearbox which was sounding very rough, and that's now running much better plus it sounds more like it should. Another thing I am thinking about doing is putting a light knurl on the edges of the feed roll groove to give better traction on the wire. Any reason I should not do this? I'll stick some pics up tomorrow, hopefully should get some weld out of it though I'm not expecting much from it if I'm honest.