Chapter 4
Donning and Doffing
104 SAFETY FIRST Edition 1 – December 2019
MSA G1 Electronic Breathing Apparatus
Step Description Illustration
5.5
Grasp the demand valve and pull the facemask
slightly away from the face.
5.6
Ensure the air flows freely.
5.7
Release the demand valve and let the facemask sit back onto the face.
5.8
Check the purge function, by pushing the
PURGE button at the front of the demand valve.
An audible flow of air should be heard and felt
entering the facemask.
6 Facemask HUD test.
Pressure status indicator Description
300 bar to 271 bar. Oscillating
270 bar to 151 bar. Oscillating
150 bar to 100 bar. Oscillating
99 bar to 60 bar. Oscillating
59 bar to 0 bar. Flashing continuously until
shutdown.
To Next Page
Loading...