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Draeger BG-4 Self Contained Breathing Apparatus

Learn the step-by-step procedures for safely using the Draeger BG-4 self-contained breathing apparatus. This guide covers how to properly don the facepiece, monitor pressure gauges, and ensure a secure fit. Follow the outlined steps to ensure your safety while working in hazardous environments.

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Draeger BG-4 Self Contained Breathing Apparatus

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  1. Draeger BG-4 Self Contained Breathing Apparatus Procedures for Getting Under Oxygen:

  2. Procedures for Getting Under Oxygen: • Put on facepiece properly and tighten straps • Open cylinder valve fully, then close one-half turn • Observe the monitron or sentinel pressure gauge and warning module: • Green indicator light - apparatus O.K • Red indicator light - apparatus faulty • PSI reading

  3. Procedures for Getting Under Oxygen: • Tightly squeeze both breathing hoses and breathe in until a vacuum is produced. • Hold your breath for an instant; • The vacuum must be maintained, otherwise the straps on the mask must be tightened.

  4. Procedures for Getting Under Oxygen: • Check gauge and operation, straps, etc., prior to leaving fresh-air base.

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