MSA BD mini, Manual

Page: 17 / 204

MSA USING THE COMPRESSED AIR BREATHING APPARATUS
BD mini
17
GB
3.8. Donning the Facepiece (Full Face Mask)
(1) Don facepiece (full face mask) and check facepiece-to-face fit (palm test)
(see Instruction Manual of Full Face Mask).
(2) Open cylinder valve fully.
(3) Connect lung governed demand valve to full face mask
(see Instruction Manual for Lung Governed Demand Valve)
(4) The compressed air breathing apparatus is ready for use.
3.9. During Use
(1) Regularly check tight fit of full face mask and lung governed demand valve
and retighten if necessary, as well as the air supply on the pressure gauge.
(2) Leave area immediately if the warning signal sounds.
Independent from the warning signal, an earlier retreat may be required;
the retreat start is based on the reading of the pressure gauge.
Danger!
The warning signal sounds when the air supply in the compressed air
cylinders is reduced.
In such cases, immediately leave the area, there is danger of air
deficiency.
3.10. Removing the Compressed Air Breathing Apparatus
(1) Remove lung governed demand valve, or full face mask.
(2) Close
cylinder valve.
(3) Activate flushing mode of lung governed demand valve, releasing all air
pressure.
(4) Open hip belt.
(5) Extend shoulder straps by lifting the slides.
Danger!
Do not throw off compressed air breathing apparatus. This could
damage the valve and the remaining compressed air could escape
suddenly.
This could cause fatal injury to you or to any bystanders.
(6) Remove compressed air breathing apparatus.