ResMed Quattro Air User Manual page 12

5. Undo the fastening tabs on the lower headgear straps. Pull the
straps evenly until the mask sits firmly on the chin and reattach
the fastening tabs.
6. Connect the air tubing from your device to the elbow. Attach the
elbow to the mask by pressing the side buttons and pushing the
elbow into the mask. Turn on your device so that it is blowing air.
7. Undo the fastening tabs on the upper headgear straps. Readjust
the straps evenly only enough that a seal is achieved and
reattach the fastening tabs. Overtightening may cause leaks.
8. Your mask and headgear should be positioned as shown.
Removing your mask
Refer to the removal illustrations section in this guide. A diagram
showing the names of parts can be found in the Mask Components
diagram near the beginning of this guide.
Removal steps
1. Disconnect one or both of the lower headgear straps from the
hook.
2. Pull the mask away from your face and back over your head.
Disassembly
Refer to the disassembly illustrations in this guide. A diagram
showing the names of parts can be found in the Mask Components
diagram near the beginning of this guide.
Disassembly steps
1. Unhook the upper headgear straps from the frame. There is no
need to undo the fastening tabs.
2. Remove the elbow from the mask by pressing the side buttons
and pulling the elbow away. Remove the elbow from the air
tubing.
3. While holding the bottom of the hook, pull the corner of the
frame slightly away from the side of the mask.
4. Remove the frame from the rest of the mask.
4