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Flashcards in AFD SCBA Deck (9):
1

SCBA

SCOTT Air PAK NXG7

2

6 Parts of SCBA

-Cylinder/Valve Assembly
-Back Frame Harness Assembly
-Back Frame Mounted Pressure Reducer
-Positive Pressure Face-Piece Mounted Regulator
-Integrated PASS PAK Alert
-AV-3000 Facepiece

3

Cylinder/Valve Assembly

-Carbon wrapped aluminum
-4,500 PSI capacity
-1,274 liters of air (45 cubic feet)
-Rated 30 min. duration

4

Backframe/Harness Status Indicator Lights

-Blue: Cylinder properly engaged
-Red: Cylinder properly disengaged
-Green: Unit is operating in normal mode
-Flash Red: Unit is in pre-alarm/alarm mod
-Orange: Low oxygen (1/4 bottle pressure)

5

Integrated PASS

-3 quick chirps when activated
-Motionless for 20 seconds: pre-alarm + 12 seconds = full alarm.

6

Backframe Mounted Pressure Reducer Reduces PSI to

150 PSI

7

SCBA LPMs

-SCBA will deliver 40-120 lpm
-40 lpm is NIOSH standard
-100 lpm is NFPA standard, amount of air needed 10-12 min with large workload

8

HUD

-First 20 seconds: all lights on

Rectangular lights:
-2 green: full bottle
-1 green: 3/4 bottle
-Yellow: 1/2 bottle
-Red: 1/4 bottle

Round red light: Low Battery

9

Readiness Check

-90% rated pressure
-Open cylinder valve 2/3 turns
-Listen for low air alarm
-Open valve fully
-Check pressures on regulator/cylinder read within 100 PSI of eachotehr
-Check harness straps fully extended
-Check all valves in correct position