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Fixing a Magnetic Tumbler  

+++++++ I own a Raytech, and need to fix it. The machine is about 5 years old. The shot is fresh, I'm wondering if the magnets are loosing their polarity. The shot spins, but not nearly as it did a few years ago (even one year ago). I was told it could be the brushes, however when I took the machine apart I didn't see brushes. I'm assuming they are the carbon rods that transmit electricity to the copper centre (?). I have new brushes ordered, but I'm not convinced that's the issue. The copper seems to be fairly worn out. Advice anyone? Thanks! Alyssa Janes silversmith hobby - Ontario, Canada Dear Reader: please choose what you want to do-- I want to Answer or follow-up on this subject (in non-commercial fashion).   My company is a supporting advertiser and we want to contact the inquirer privately.   I want to post a new question or inquiry on a different subject.