Chapter 4
Donning and Doffing
Edition 1 – December 2019
SAFETY FIRS T
63
MSA G1 Classic Breathing Apparatus
Step
Description
Photos
.
2.10
Tuck in the shoulder and waist strap ends.
The straps must be tucked in and lay flat across the body.
2.11
Check the tally tag is attached to the left
shoulder strap spring clip.
3
Check cylinder pressure.
3.1
Place the set into PARK.
Push the red button on the underside of the
demand valve.
3.2
Fully open the cylinder valve.
Listen for audible leaks.
Listen for a short, sharp chirp from the mechanical low pressure warning
whistle. This indicates the warning whistle is functioning.
