As the Vulcan Iron Works 0-4-0 steam locomotive at the Georgia Museum of Agriculture is having some maintenance work done, we decided it was a good time to rebuild the hand valve for the jam brakes on the locomotive. This unit was completely torn down and refurbished including brazing up a worn surface and grinding and lapping it back flat, putting in a bronze bushing for the main stem, and replacing the main stem on the valve. A good variety of machine shop work in this video.
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17 авг 2017