MSA
MAINTENANCE
When replacing the speech diaphragm, the entire connection piece incl. cap,
speech diaphragm, circlip and O-ring must be replaced:
(1) Disassemble the mask as described, ensuring that the inner mask is fully
removed from the connection piece.
(2) Fit the new connection piece to the inner mask and assemble the mask as
already described.
5.2. Replacement of the Mask Lens
3S-R AirElite Mask
Removing mask lens
(1) Loosen screws on the lens frame.
(2) Remove both halves of the lens frame.
(3) Remove lens.
(4) Disassemble lens wiper (
Section 5.3).
Fitting new lens
Ensure before fitting the new lens, that the
mask body groove is completely clean.
(1) Fit lens wiper to the new mask lens
(
Section 5.3).
(2) Fit the new mask lens in reverse order from the
disassembly.
After assembly, the markings in the centre must be in proportion at the
top and the bottom on the mask body, lens and lens frame halves for
all masks. The lens identification must point towards the connection
piece.
3S-R AirElite / Advantage AirElite / Advantage 4000 AirElite Full Face Masks
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