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Scba.txt
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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
ID
161793
Card Set
Scba.txt
Description
Scba
Updated
2012-07-09T20:45:28Z
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