A soldering system includes a track, a laying device, a boiler, a shelter, a transmission roller, a position sensor, a thermal radiation heating device, and a driving device. The safety device includes pressure sensors configured to detect a pressure in the pressure unit and an electronic control unit that is connected to the pressure sensors. The extension body may have a first body portion and a second body portion wherein the first body portion extends from one of the interconnected arms and wherein the second body portion extends from the other of the interconnected arms and wherein each of the first body portion and the second body portion includes an interior surface that is threaded.