Filtered self-rescuer safety operation procedures

1. The self-rescuer is an instrument that filters carbon monoxide gas for personal self-rescue. 2. The oxygen concentration of the use environment shall not be less than 18% and the concentration of carbon monoxide shall not exceed 1%. 3. The downhole personnel of the instrument must be carried with you, and the carrying position should be fixed on the side of the waist. 4. Turn on the instrument. Remove the protective cover, lift it with your thumb, move it until the seal is broken, and throw away the sealing tape. 5. Remove the canister. Throw away the upper shell, grab the headband and pull out the canister, and throw away the lower shell.

6. Put on your mouth. Put the mouthpiece into the mouth, the mouth is placed between the lips and teeth, the teeth bite the pad, so that the mouth is sealed and isolated from the outside world. 7. Clip the nose clip. Two hand-opened nose clip springs, correctly pinch the nose, seal the nostrils, and breathe with your mouth. 8. Wear your headband. Remove the helmet, wear the headband, and then wear the helmet and retreat from the disaster area. 9. The wearer must undergo professional technical training to achieve proper wear within 20~30 seconds. 10. It is strictly forbidden to remove the mouthpiece and nose clip without leaving the disaster area.

11. The self-rescuer requires regular inspection by a professional. 12. Individuals are not allowed to open the self-rescuer without permission. 13. If the shell of the self-rescuer is in contact with the canister, the canister can not be taken and can still be worn. 14. When wearing, the air entering the mouth is hot and dry, indicating that the instrument is working effectively. It is normal. It is strictly forbidden to take out the self-rescuer due to inhalation of hot air. 15. The self-rescuer can only be used once.

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