Dräger Panorama Nova S Mode D'emploi page 19

4.4.3 Replacing the valve discs for the control valves
1. Pull out the old valve discs towards the inside.
2. Insert the studs of the new valve discs into the hole from inside and
pull them towards the visor until the undercut of the stud is visible.
The valve discs should lie evenly against the inside surface.
4.4.4 Replacing the speech diaphragm or O-ring
1. Pull the inner mask out of the groove of
the threaded ring.
2. Unscrew the threaded ring with the pin
wrench.
3. Turn the pin wrench and carefully insert
it in the holes of the protective grille. Do
not damage the foil on the diaphragm.
4. Turn the speech diaphragm to remove
it.
5. Remove the O-ring from the connector using the sealing ring lifter.
6. Check the speech diaphragm and O-ring, and replace if
necessary.
7. Attach the inner mask. Make sure that the edge lies in the groove
all around. The centre markings on the connector and on the inner
mask must coincide.
4.4.5 Replacing the exhalation valve disc
1. Visually inspect the exhalation valve disc (see Chapter 4.3.3 on
Page 17).
2. Fit the exhalation valve cover. Ensure that it locks into place.
4.4.6 Replacing the inhalation valve disc
1. Pull the connector out of the mask body (see Chapter 4.4.2 on
Page 18).
2. Remove the old valve disc and fit the new disc.
3. Insert the connector in the mask body (see Chapter 4.4.2 on
Page 18).
Panorama Nova S - P
5 Transport
Transport the full face mask in a carrying box or mask bag.
6 Storage
To prevent deformations that can lead to leaks, do not place the

mask/helmet adapter down on the face seal.
Wipe the visor with an antistatic cloth.

Pack the full face mask in its bag or carrying box.

Store it in a dry, dust-free place where it cannot become deformed.

Storage temperature -15 °C to +25 °C.
Protect from direct sunlight and thermal radiation.
Observe ISO 2230 and national regulations concerning the storage,
maintenance and cleaning of rubber products.
Dräger rubber products are treated with an agent to protect against
premature ageing which in some cases is visible as a grey-white
coating. This coating can be washed off with a brush and soapy water.
7 Disposal
Dispose of the full face mask in accordance with the applicable rules
and regulations.
(approved by Dekra Exam)
Transport
19