when the coach is running and as the air pressure climbs <br/>above 60 psi, the sliding floor works as it should.<br/>when the engine is off and when the air has dropped below <br/>80 psi the floor will extend on its own. it cannot be pushed in <br/>manually, until the pressure is much lower. regulator is 40 psi.<br/>so when we are parked and then return to the coach after several <br/>hours the...