Questions and Answers
At which pressure should the control module display a flashing red LED?
1575 PSI
What should be done immediately after closing the cylinder valve?
Open the bypass valve to vent the pressure
At what pressure should the alarms stop?
200 PSI
Which action confirms that the primary low-pressure warning device is active?
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Which step comes after turning the control module off?
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How should the facepiece be removed?
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Study Notes
Turning Off the SCBA
- Press and hold the on/off button on the speaker module until the unit turns on, indicated by an audible tone.
- Release the regulator by pressing the regulator release buttons.
- Ensure air flow stops before proceeding.
Venting Pressure
- Close the cylinder valve fully.
- Open the bypass valve slowly to vent pressure until the control module pressure reading drops below approximately 1575 PSI.
- A flashing red LED will display in the HUD at the appropriate pressure.
Low Pressure Warning
- The primary low pressure warning device will alarm.
- All buddy lights will flash red.
- The pneumatic light will illuminate.
- The alarms will continue until the air pressure is 200 psi or less.
Shutting Down the System
- When the system pressure falls below 200 psi, turn the control module off by pressing the reset button (green) two times within approximately one second.
- Open the bypass valve slowly to release any remaining pressure in the system.
- Close the bypass valve.
- Stow the SCBA.
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Description
A step-by-step guide on how to properly shut down a Self-Contained Breathing Apparatus (SCBA) device. This process ensures safe usage and maintenance of the equipment.
