Chapter 3
Operation
88 SAFETY FIRST Edition 1 – December 2019
MSA G1 Electronic Breathing Apparatus
Step Description Illustration
2.4 Check that there is more than 250 bar in the
cylinder.
2.5 Check that the graphical display pressure
reading and analogue gauge readings match
within a 10 bar range.
2.6 Re-attach the demand valve.
Check the correct connection with the facemask.
2.7 Close the cylinder valve.
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