3 3.2 Starting Engine Operation 25746 1 Turn key clockwise. Position 1 = operating voltage. Pilot lights come on. Leave to preheat until pilot lights go out. Push key in and turn further clockwise against spring pressure. Position 2 = no function. Position 3 = start. Insert key. Position 0 = no operating voltage. Release key as soon as engine fires. Pilot lights go out. Starting with Heater Plugs 25746 1 25746 1