campbeach wrote:I am not sure of the age. It has two knobs on the hopper, the feed speed and the blower, both work as I can slow down the feed and the blower slows down when I turn them ccw. They only turn one full turn. The damper I belive is a hand model as you turn a screw with a weight on the inside.
Those are rheostats for slowing the motors. There should also be some type of knob or adjustment screw on the back that adjusts how far the stoves coal shovel (carpet) moves back and forth with each revolution of the stoker motor. The screw and weight are a barometric damper.