ResMed AirFit F40 Manual De Instrucciones página 8

Disassembling your mask for cleaning
If your mask is connected to a device, disconnect the device air tubing
from the short tube.
1. Undo the fastening tabs on the upper headgear straps and pull from
the frame.
Tip: Keep the magnetic clips attached to the lower headgear straps to
easily distinguish the upper and lower straps when reassembling.
2. Squeeze the side buttons on the elbow and detach from the vent ring.
3. Pull the cushion stud out of the frame stud hole, repeat on the other
side.
4. Pull the vent ring from the cushion.
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