ResMed AirFit F40 Guide De L'utilisateur page 9

4. Squeeze the fabric components to remove excess water.
5. Leave the components to air dry out of direct sunlight.
If the mask components are not visibly clean, repeat the cleaning steps.
Make sure that the vents and anti-asphyxia valves are clean and clear.
Reassembling your mask
1. Insert the cushion stud into the frame stud hole. Repeat on the other
side.
2. Align the vent ring groove against the cushion opening. Press firmly to
secure in place and ensure that the cushion opening sits into the vent
ring groove.
3. Connect the elbow to the vent ring.
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