29
Donning
GB
G1 Integrated SCBA System
WARNING!
During system pressurization, listen for the sound of hissing or popping. If you hear hissing or
popping, remove the SCBA from service, and return it to an MSA trained and certified repair tech-
nician.
Failure to obey this warning can result in serious personal injury or death.
WARNING!
If the primary low-pressure warning device does not alarm, the power module does not make a
sound, or the buddy lights or HUD lights do not come on, remove the SCBA from service. Make
sure an MSA trained and certified repair technician corrects the unsatisfactory condition before
returning the SCBA to service.
Failure to obey this warning can result in serious personal injury or death.
(9) Reach behind and fully open the cylinder valve.
(10) As the system pressure rises from 0 to 15 bar, both
visible and audible alerts activate automatically, indi-
cating that the SCBA is functioning properly.The
following indications must occur (if applicable, depending
on components present):
Brief sound from the pressure reducer primary low pres-
sure warning device
Chirp from the power module and voice projection
speaker (if available)
Pressure display on the HUD
Buddy light flashing green on power and control module
Pneumatics version only:
Low pressure warning device is active between 0 and 55 bar
5 bar for a 300 bar system
Pressure reading on the gauge of the SL manifold.
No air should flow from the LGDV. If it does, repeat previous
steps.
(11) Ensure the control module and the HUD pressure indi-
cators show a full cylinder.
(12) Listen for air leaks and watch the pressure indicators
(pressure gauge, control module, HUD) for 10
seconds.
(13) The product is now ready for use.
