Manually make the main shaft rotate, at this time there shall not be any friction sound in the puffing chamber. Start the feeding winch, check its stepless high-speed performance, require normal operation. Before starting the machine, check and clean the water line and air line. All filters need to be cleaned. Before starting the machine, check whether the wiring of the electric control part is correct, whether the steering of each motor is correct and whether the control is reliable. After stopping the machine, you must wear anti-temperature gloves, quickly remove the discharging mold, and immediately clean it while it is hot. And start the main motor will be puffing cavity of the accumulated material empty. Corn puffing, should increase the soybean powder to rinse the material in the cavity.