BSM Chapter 2 (SCBA)
Created by envoycapital
| Term | Definition |
|---|---|
SCBA | Self Contained Breathing Apparatus |
SCBA 6 major sub-assemblies: | 1. Back Frame and Harness
2. Dual Path Pressure Reducer (PRA)
3. Snap Change Air cylinder and valve
4. Regulator (FMR)
5. Facepiece (AV3000 AT)
6. PASS device |
2 PASS components | 1. Remote Pressure Gauge
2. Back Frame mounted sensor module |
Primary Pressure Reducer | 125psi |
Secondary Pressure Reducer | 150psi |
When does the Secondary Pressure Reducer and Vibralert kick in? | Cylinder pressure below 33% |
SCBA waist strap rating | Class 1 |
Where is buddy breathing? | Right side of waist belt, in pouch |
PASS Remote Pressure Gauge button colors | Red and Yellow |
Cylinder Closing mechanism | Ratchet-style to avoid accidental closure |
Buddy Breathing (EBSS) Capacity | User plus 1 |
Buddy Breathing (EBSS) share air routes: | 1. EBSS to EBSS
2. EBSS to FMR Quick Connect |
HUD purpose | Monitor air supply |
Where is HUD? | Mounted on FMR across bottom of field of view |