User manual

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4.7 CONNECTING THE FULL-FACE MASK
1. Carry out a visual inspection of all plastic, rubber and metal parts and ensure that there is no damage.
Make sure that the rubber components do not exhibit signs of wear or cracking.
2
. Ensure that the check valves in the inner mask
are even and secured.
3
. Make sure that the pressure equalization cushion
is correctly placed and adjusted.
4
. Check that the connection on the breathing valve is free from dirt and that the O-ring is in place in the
breathing valve.
5
. Connect the breathing valve to the mask by
pressing it into the coupling device and turn
counterclockwise so that it fastens in the bayonet
joint.
6
. If communication equipment is used, it should be connected at this point.