Aqua Lung Mistral Mouthpiece Manuel de maintenance technique - Page 4
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4
DISASSEMBLY PROCEDURE
NOTE:
Before performing any disassembly, refer
to the exploded parts drawing, which references all
mandatory replacement parts. These parts should
be replaced with new, and must not be reused
under any circumstances - regardless of the age of
the regulator or how much use it has received since
it was last serviced.
CAUTION:
Use only a plastic or brass o-ring removal
tool (p/n 944022) when removing o-rings to prevent
damage to the sealing surface. Even a small scratch
across an o-ring sealing surface could result in
leakage. Once an o-ring sealing surface has been
damaged, the part must be replaced with new. DO
NOT use a dental pick or any other steel instrument.
1. Removing the corrugated hoses.
a. To remove the corrugated hoses (1) from the
connectors (6), you will need to carefully cut the
panduit clamps from the hoses.
b. If the corrugated hoses are attached by clamping
bands, use a small blade screwdriver and remove
the bands.
2. Remove the screw connectors (5) by hand.
3. Remove the two connectors from the mouthpiece
body (10).
4. Remove the o-rings (7) from the connectors.
5. Remove the lip guard (12).
6. Remove the mouthpiece clip (13) by lifting the cam with
your thumb, then remove the mouthpiece (14).
7. Using the seat extration tool (pn 109437), remove the
exhalation valve (8), which is the side with the arrow pointing
outwards. Push with the tool from the inhalation valve holder
side and extract the o-ring (7).