Flashcards in SCBA manual chapter 3 questions - Sheet1 Deck (25)
When do you inspect your SCBA?
upon assuming duty and after each use
What should you do if you find a problem with your SCBA?
immediately remove it from service, tag with scba repair request form, return scba to maskroom for repair.
Who is authorized to work on scba or air cylinders?
only maskroom personel and air unit technicians
When should a cylinder be changed?
when the pressure indicator falls below 4000 PSI
Using the "compressed Gas Association guidelines" (CGA) what is level 1 damage?
cuts and scratches involving the outer surfaces
Using the "compressed Gas Association guidelines" (CGA) what is level 2 damage?
cuts that have penetrated through the outer layers of plastic and have cut the fiber over-wrap threads.
Using the CGA guidelines what is level 3 damage?
cuts greater than level 2 or cuts that expose bare metal
At what level do you place a cylinder out of service?
damage greater than CGA level 1
What are the procedures for placing a cylinder O.O.S?
empty cylinder, tag with scba repair request form to the defect, and return to the maskroom
How do you test the batteries in the PAK-Alert SE alarm?
depress the reset button(yellow button) once
What light do you get when the batteries are good on PAK- Alert?
a green light will flash twice
How do you know if you need to change the batteries on PAK-Alert?
2 red lights will flash
What does the absence of any light indicate?
PAK is defective, or batteries are either fully discharged or haven't been installed
Which button is the manual alarm button?
the red button
How do you reset the PAK-Alert alarm?
press the reset button(yellow button) twice
How long does a Scott airpak 50 have to remain motionless to enter prealert mode?
How long does the AirPak 50 have to remain motionless to enter alarm mode?
How much air do you have when the H.U.D indicates a single green light?
3300-3500 psi (approx. 3/4)
What lights on the H.U.D. indicate a full cylinder?
2 green lights
How much air does the cylinder have when the H.U.D indicates a yellow light?
approx. 2500 psi (approx. 1/2)
What happens when your air drops to approximately 1000-1200 psi?
vibralert will function and the red light on the H.U.D will flash rapidly at 10 times per second
What will happen if you fail to bleed all the air from the system?
PAK-Alert SE will stay active and will chirp about once per second and will fail to sound the 2 beep deactivation tones
How long will the PAK-Alert SE check for zero air pressure?
How often does a cylinder get a hydrostatic test?
every 5 years