Tinplate Art posted:HOT WATER: THANK YOU for the clarification! We did have a couple of engineers that ran the engines harder than usual, but they did not last long. A 43 year veteran with the L&N who actually ran steam back in the day, and who I fired under while training to be an engineer, once confided to me that a good steam exhaust had a sound like bacon frying. I do know that he never worked me hard and he was a good man in that right hand seat!
Art, to clarify a bit more, just because an Engineer runs the locomotive with a bit too much back pressure, i.e. not hooked-up properly, doing such does NOT really "damage the machinery". Only fuel and water is wasted.