User manual

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11. Close the cylinder and screw in the sealing plug by hand. The sealing plug should only be tightened by
hand on a cylinder pack that is to be lled.
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2. Allow the cylinder packs to dry.
13. Shake off the water from the other parts and allow them to air dry. Dry thoroughly.
14. Fit the breathing valve into the full-face mask. Turn the breathing valve counterclockwise to attach the
breathing valve bayonet coupling. Attach the xing cover.
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5. Remove the cylinder pack for lling. Inform the air lling site if the cylinder pack has been subjected
to exceptional stress or if the pressure in the cylinder falls below 30 bar (435 psi). On a lled cylinder
pack, the sealing plug should be tightened with an open-ended wrench (23 mm).
Comment: The cylinder pack should not be completely emptied. There must always be a residual pressure
of at least 10 bar (145 psi) in the air cylinder to prevent moisture from nding its way through the valve.
Check the check valve's tightness.
The tightness of the check valve must be checked during the monthly cleaning routine.
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. Connect the breathing valve to the intermediate pressure hose on the regulator.
2. Remove the breathing valve from the full-face mask, alternatively, remove the mouthpiece from the
octopus breathing valve (see “Replace mouthpiece” in Section 12.4.4 “Breathing valve”).
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. Open the cylinder valve.
4. Fill the space at the check valve disc with water.
5. Ensure that water is not leaking into the breathing valve. The water level over the check valve must not
decrease. If there is a leak, the check valve must be cleaned or replaced.
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. Blow the valve dry using the vent button. Check that the check valve disc is even after dry-blowing.
7. Close the cylinder valve and insert the breathing valve in the full-face mask or replace the mouth-
piece.
Disinfecting the full-face mask/breathing valve
The full-face mask/breathing valve must be disinfected during the monthly cleaning procedure or when
the need arises.
Interspiro recommends that full-face masks and breathing valves used by several persons be cleaned and
disinfected after each use.