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Questions and Answers
What activates the primary low pressure warning device during use?
What activates the primary low pressure warning device during use?
What is a feature of the cylinder valve assembly's pressure gauge?
What is a feature of the cylinder valve assembly's pressure gauge?
What is the purpose of the pressure-relief device in the cylinder valve assembly?
What is the purpose of the pressure-relief device in the cylinder valve assembly?
What feature is NOT provided by the shoulder pads in the G1 Carrier and Harness Assembly?
What feature is NOT provided by the shoulder pads in the G1 Carrier and Harness Assembly?
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What is the drag rating of the hop handle on the ergonomic backplate?
What is the drag rating of the hop handle on the ergonomic backplate?
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What does the cylinder band do in the G1 Carrier and Harness Assembly?
What does the cylinder band do in the G1 Carrier and Harness Assembly?
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What is the function of the adjustable pull straps in the harness assembly?
What is the function of the adjustable pull straps in the harness assembly?
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At what PSI does the bell alarm for low pressure actuate?
At what PSI does the bell alarm for low pressure actuate?
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Study Notes
Cylinder Valve Assembly
- Features a large pressure gauge with photoluminescent face for visibility.
- Non-locking handwheel for easy operation of the cylinder valve assembly.
- Includes a pressure-relief device to safely vent over-pressurized cylinders.
Primary Low Pressure Warning Device (Bell)
- Engages automatically at 35% of SCBA's rated service pressure, approximately 1575 PSI.
- Activates when there are about 16 minutes of service time remaining.
G1 Carrier and Harness Assembly
- Comprises various components designed for safety and comfort:
- Backplate: Houses power module, battery module, and pressure reducer; includes large handles for handling and storage with drag ratings of 1000 lbs (hop handle) and 500 lbs (side handles).
- Cylinder Band: Metal construction with a latch, ensuring secure retention and facilitating cylinder installation/removal.
- Shoulder Pads: Designed for weight distribution, featuring a friction pad to minimize strap slippage, retroreflective materials for visibility, and steel buckles for security. Snap buttons allow easy replacement or repair of components.
- Lumbar Pad: Provides additional support and comfort to the lower back during use.
- Adjustable Pull Straps: Facilitate customization of fit for different users.
- Waist Belt: Enhances stability and comfort.
- Regulator Keeper: Secures the regulator in place for easy access and use.
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Description
This quiz covers the components and features of SCBA cylinder valve assembly and primary low pressure warning device, including pressure gauges and handwheels.
