Scba.txt

The flashcards below were created by user scott.spears on FreezingBlue Flashcards.

- author "me"
- tags ""
- description "88l20"
- fileName "Scba"
- freezingBlueDBID -1.0
- Always ensure the air saver switch on the mask mounted regulater is
- Fully depressed
The purge valve is fully rotates which way

Clockwise
How do you open the cylinder valve

Slowly turning handwheel away from user then back of 1\4
The scba consist of 5 major components what are they
- Cylinder assembly
- Backframe/harnessed
- Redundant dual path pressure reducer
- Positive pressure mask mount reg
- Facepiece
When cylinder is charged with 4500 psi how long can the user use it

45min
What is the cylinder composed of

Carbon fiber wrapped over aluminum liner
The cylinder is available in how many sizes

2
What is a burst disc

The copper disc is a safety feature designed to rupture if inadvertent over pressurized of 7200 psi
What is the hanger plate

Mounted on cylinder used to position support and lock cylinder assembly to back frame
What is the remote pressure indicator and where is it located
- Provides user a reading of pressure in 500psi increment
- Right shoulder strap
What is the mask mounting regulator

Maintains air flow into the face piece at a pressure greater than atmospheric pressure
How many led lights are there and where are they located
- 5
- Heads up display
What does the air savor switch do

Prevents the free air flow of air when the face piece is not donned
When is the vibralert engaged

Pressure reaches approx 900-1125psi(20-25% of full) or when the pressure reducer malfunctions
What's 2 green led lights mean

3\4th full
What's one green led light mean

3/4th to 1/2 full
What's one yellow slow flashing led light mean

1/2 to 1/4th full
What's one red rapidly flashing led light mean

1/4 full
What's one round led red light mean

Low battery
Before performing any maintenance what should you do

Bleed the system of air
When purging the purge valve which way do you rotate

Counterclockwise to open

Author

scott.spears

161793

Card Set

Scba.txt

Description

Scba

Updated

2012-07-09T20:45:28Z

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