Chapter 2
Cylinder and Components
Edition 1 – December 2019 SAFETY FIRST 15
MSA G1 Electronic Breathing Apparatus
Carrying cylinders
Cylinders must not be carried by the handwheel. Carrying a cylinder by the handwheel
places undue stress on the valve mechanism. If removing a cylinder from a horizontal
shelf, while hanging on to the handwheel, the weight of the cylinder can cause it to
rotate downward, causing the valve to open slightly.
To carry a cylinder, it can be cradled in your arms or by holding the body of the valve.
Figure 3: carrying a cylinder
MSA G1 Electronic BA
General description
The MSA G1 E is a technologically advanced BA.
It includes features such as:
a centralized power unit that powers the entire BA from a single battery
compartment;
darkness and smoke piercing buddy
lights that provide visible indicators of critical air
supply data from any angle,
thereby enhancing firefighter mutual accountability;
voice amplification communications; and
a facemask without electronic components
,making it lighter and easier to wear.
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