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REASSEMBLING THE MASK
Part No 1126360 13 Invacare
®
Twilight™II Nasal Mask
5. Lock the mask swivel into place on the outside of the mask
frame by slipping the swivel retaining ring over the
swivel.
6. Seat the swivel retaining ring into the groove on the swivel
until it snaps in place.
7. Align the keying features at the top and bottom of the
nasal cushion to the mating keying features in the
mounting channel of the mask frame. The textured area
above the keying feature at the top of the cushion aligns
with the base of the adjustment tab. (Detail “B” of FIGURE
4).
8. Gently push the cushion ribbing down into the mounting
channel on the mask frame.
NOTE: The nasal cushion is completely seated in the mounting
channel when the cushion and the mask frame meet forming a
gapless seam around the outside edge.
9. If necessary, reattach the forehead support by doing the
following (Detail “B” of FIGURE 4):
A. Align the channels on the outside of the support with
the flanges on the mask frame.
B. Slide the forehead support into the top of the mask
frame.
C. Press the forehead support adjustment tab.
D. Slide the end of the forehead support over the tab to the
desired position.
E. Release the adjustment tab to lock it in the desired
position.
10. Attach the headgear to the mask by sliding the upper
headgear strap through the loophole of the forehead
support. The tan side of the headgear goes against the
head and the Invacare label will be on the outside of the
upper strap.