Video: Steam Locomotive Throttle Valve Repair: Turning and Lapping

While we are having some repairs done to the boiler for the 1917 Vulcan Iron Works narrow gauge steam locomotive at the Georgia Museum of Agriculture in Tifton, GA, we are taking the opportunity to do some much needed repairs in other areas as well. One such repair that was needing to be done was to work on the throttle valve for the locomotive, which has been leaking a small amount of steam when closed. The valve was removed before sending the boiler off and in this video, we will go through the process to face the valves and then lap them in to the valve body.

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