Chapter 4
Donning and Doffing
Edition 1 – December 2019 SAFETY FIRST 101
MSA G1 Electronic Breathing Apparatus
Step Description Illustration
To adjust the lumber support height while
wearing BA:
loosen or release the waist buckle;
reach behind to find the lumber support;
pull the lever towards the operator and push
up or down depending on the adjustment
needed;
release the tab and pull up or down to ensure
the lumber support is locked in
reconnect the waist belt.
2.10 Tuck in the shoulder straps and waist strap
ends.
They must be tucked in and lay flat across the body.
2.11 Check the tally tag is attached to left shoulder
strap spring clip.
3 Check cylinder pressure.
3.1 Place the set into PARK.
Push the red PARK button on the underside of
the demand valve.
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