1. Storage Environment Temperature: + 5 Shan Bing 45 Shan; no exposure to hot sun, near fire or severe vibration.
2. The fire extinguisher should be securely placed, and the storage place ventilated and dry.
3. Check whether the safety pin and seals are intact, whether the pressure value meets the requirements, whether the parts are loose, deformed, corroded or damaged.
4. Three years after the expiration of the fire extinguishers every two years or before reloading should check whether the bottle head valve, nozzle, etc. have damage, check the cylinder is rust, and carry out 2.1MPa hydrostatic test, unqualified persons should be scrapped treatment.
5. The maintenance or reloading of fire extinguishers shall be repaired by qualified professional fire Service department, and users shall not disassemble or repair them without authorization.