The safety period of the fire extinguisher is 12 months. Therefore, the user's purchase of fire extinguishers is only the beginning, and a large amount of fire extinguishers are used in the annual inspection, maintenance and maintenance. The unit shall conduct a functional inspection of all fire extinguishers at least every twelve months.
1. Check the fire extinguisher pressure index:
The fire extinguisher pressure gauge is divided into three areas:
Red zone: indicates that the dry powder pressure in the fire extinguisher is small, and there is no possibility of ejection or has expired.
Green area: indicates normal pressure, fire extinguisher can be used normally.
Yellow area: indicates that the pressure inside the fire extinguisher is too large and can be used normally. But there is danger of explosion and explosion.
2. Check the bottle body of the fire extinguisher: check whether the body of the fire extinguisher is rusty, cracked and red paint is too weak.
3. Check whether the fire extinguisher is blocked with powder tube, inlet pipe, nozzle and spray gun; The powder tube is used to prevent the dampness of the nozzle. It is found that the blockage should be cleaned in time, and the damp-proof membrane and damp-proof plug should be replaced in time.
4. Check the safety bolt of the fire extinguisher: check whether the safety latch of the fire extinguisher is in good condition.
5, fire extinguisher after each use, the license of the maintenance must be taken to have the unit (hereinafter referred to as repair units) inspection, replacement has been damaged, back filling gas fire extinguishing agent and drive.
6. Check whether the operating mechanism is flexible, the simplified seal is tight and the fire extinguisher cover is fastened.