1. FFII Module A Hillcrest Fire Department © 2001
SCBA
FFII Module A
Hillcrest Fire Department
© 2001

2. Requirements for wearing an SCBA
Physical Requirements
Agility
Facial Features
Medical
Mental

3. Limitations when wearing SCBA
Limited visibility
Decreased ability to communicate
Increased weight
Decreased mobility

4. Types of breathing apparatus
Open Circuit
Most common in fire service
Uses compressed air
Exhaled air is vented outside
Closed Circuit
Uses compressed or liquid Oxygen
Exhaled air is processed through a “rebreather”
30 min – 4 hours

5. Parts of the SCBA Backpack Air cylinder assembly Regulator assembly
Facepiece assembly

6. Air Cylinder Assembly Low pressure 2216 psi 45cf air
30 min
Low pressure 3000 psi 66cf air
45 min
High pressure 4500 psi 45cf air
High pressure 4500 psi 88 or 90cf air

7. Regulator Assembly Reduces pressure from tank Bypass valve
Remote pressure gauges
Should be within 100 psi of tank gauge
Low pressure bell

8. Weekly Inspections of SCBA per NFPA 1404 and 1500
Tank Full
Gauge with in 100psi
Low pressure alarm works
Connections tight
Face piece clean
Harness good, straps extended
All valves operational

9. Monthly Inspections of SCBA per NFPA 1404 and 1500
Check all components for deterioration
Leaks
Operation of all gauges and valves

10. Yearly Inspections of SCBA per NFPA 1404 and 1500
“Factory level” testing
Hydrostatic Testing
Every 5 years for steel and aluminum
Every 3 years for composite