Fuse removal method In order to ensure the safety of the pressure cooker and avoid the failure of the fusible piece due to material changes, even under normal use, the fusible piece in the fuse fuse valve should be replaced every six months. The replacement method is as follows: 1. Use a screwdriver to unscrew the small screw 2. Turn the lid over and touch it on the table a few times to shake the fusible piece. 3. Screw back the small screw plug. Spring safety valve replacement method The spring safety valve has a long service life and generally does not need to be disassembled. Usually used, please pull the ring by the way to ensure smooth flow. If it is due to air leakage or failure, please remove or replace it in the order shown. Put the lid on the right side, screw out the nut with a tool or hand, then remove the lifting ring, then remove the valve core and spring. After cleaning, replace it in the reverse order. Please be careful not to miss the paper pad. . The method of replacing the sealing rubber ring of the float valve: If the sealing rubber ring breaks and leaks, please replace it as follows: Use one hand to gently press the valve stem, then use the other hand to unscrew the nut counterclockwise, remove the bad rubber ring, replace it with a new one, and then turn the screw plug clockwise. Anti-blocking cover maintenance method In order to ensure the dredge of the anti-blocking cover and the sanitation of the pressure cooker, after each use, the anti-blocking cover should be disassembled for cleaning, as follows: 1. When removing the anti-blocking cover, turn off the cover of the anti-blocking cover by turning it 45 degrees counterclockwise. 2. After cleaning, replace the cover in a clockwise direction. Need to pay attention to: If the bottom of the pressure cooker is seriously convex, do not use it. If the parts are aging, it will cause a safety accident. The life of the aluminum alloy pressure cooker is 8 years, and the service life of the stainless steel pressure cooker is 10 years! Dry Vacuum Pump,12V Vacuum Pump,High Vacuum Pump,Diaphragm Vacuum Pump Dongguan Beqile Mechanical&Electrical Equipment CO.,LTD , https://www.betemvacuum.com