Aqua Lung Mistral Mouthpiece Service Manual - Page 5
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Also for Aqua Lung Mistral Mouthpiece: Technical Maintenance Manual (14 pages)
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F I R S T
T O
D I V E
7.
Using the tool (ref: 116236), extract the exhalation valve
holder (side with the arrow pointing outwards) by
pushing with the tool from the inhalation valve holder
side, then extract the O-ring.
8.
Using the tool (ref: 116236), extract the inhalation valve
holder taking care not to press on the valve, then
remove the valve holder O-ring.
9.
Remove the inhalation and exhalation valves (5) and
check their surface is clean and free from any scratches.
They should be flexible and have a clean edge.
If they are in good condition it is not necessary to
discard them and they can be reused. If they show any
signs of deterioration they should be replaced.
END OF DISASSEMBLY
Before starting to re-assemble the regulator,
make sure that all replacement parts have
been cleaned and lubricated in accordance
with Procedure A: Cleaning and Lubricating
on page 14
.
RE-ASSEMBLY PROCEDURE
1.
If the valves have been extracted, pass the tail through
the hole in the valve holder and pull gently on it until the
shoulder passes through to the inside of the valve
holder. If the valve is new then cut the excess length
leaving a tail of about 15mm.
2.
Fit the O-ring (6) onto the valve holder.
3.
Insert the valve holder into the body on the side with the
outward-facing arrow (start by fitting the valve holder into
the orifice then position it correctly by pushing it with
your finger.
Attention: The valve holders should be
fitted so that the gas can circulate in the
direction indicated by the arrows engraved
on the mouthpiece body.
4.
Insert the valve holder into the body on the side with the
inward-facing arrow.
5