Disassembly Procedure - Aqua Lung Calypso Service Manual

4
4. The acronyms used:
LP: Low Pressure
MP: Medium Pressure
HP: High Pressure
5. Numbers in brackets indicate the part number of the
component shown on the exploded view attached.

DISASSEMBLY PROCEDURE

Note: Before commencing disassembly, consult
the exploded view to check the reference
numbers of all parts requiring replacement.
These parts should all be replaced by new parts
and should not be re-used on the pretext that
the regulator has seen little use since its
manufacture or since its last service.
Attention: Use only the special tool when
removing O-rings in order to avoid damaging the
seal recess. The slightest scratch on a sealing
surface could cause a leak. If a surface should be
damaged then this part should be replaced with a
new one. Do not use any pointed instrument or
metal tool to remove O-rings.
Service manual Calypso second stage
1. Use a 11/16'' spanner and a 19mm spanner, block the
nut (22) and unscrew the end nut on the hose. Remove
the O-ring from the hose nipple.
damage the O-ring groove. Remove the O-ring from the
hose threaded end
2. Slide back the hose
protectors and check that
there are no signs of
impact and that the
crimped ends are in good
condition and that they
firmly grip the hose. If
not, it should be
replaced.
4. Remove the cover, starting from the venturi knob side.
5. Remove the diaphragm (9) with its washer (10).
Take care not to
3. Remove the
mouthpiece strap (2),
by lifting the cam with
your thumb.
Remove the
mouthpiece (3).