Cressi MC9 Manual De Istrucciones página 71

52 SECOND STAGES
When the diver exhales, the pressure inside the regulator' s case
increases, opening the exhaust valve. This has been fully redesi-
gned and shows a larger diameter as well as a specially angled
conical shape, making the regulator perfectly watertight in any
condition of use. The newly designed exhaust tee comes direc-
tly out of the regulator' s case, thus creating an extremely com-
pact assembly with outstanding design. The air is led towards
the head' s sides, while the particular shape pf the exhaust valve
housing protects the valve itself from water turbulences which
might lift it, when the inside is depressurized, and flood it.
Moreover, a special bulkhead on the exhaust tee centre line
presses the exhaust valve on its middle section, ensuring its
balanced opening.
The 2nd stage is connected to one of the first stage' s 3/8"
ports by means of a flexible medium pressure and high capacity
hose.
Ellipse Cressi-sub is a downstream regulator, that is the valve
automatically opens in case of calibration loss of first stage or of
a sudden intermediate pressure increase.
This means that any condition of over pressure upstream the
second stage leads to automatic free flow, never causing the
regulator to get stuck.
Ellipse Cressi-sub complies with 89/686/EEC directive of
21/12/1989, checked and certified by N. 0474 RINA – Genoa,
with tests in accordance with EN 250:2000 standard, which
provides the requisites of III class Individual Safety Devices: the
device therefore is EC branded and reports the certifying institu-
te indication (0474), as prescribed by Art. 11A of 89/686/EEC
directive.
2.4 - Ellipse, disassembly and maintenance
By designing Ellipse regulators, great attention has been paid as
to the simplicity and speed of disassembly and maintenance,
unavoidable qualities for an always perfectly serviced, set and
performing regulator.
WARNING: intermediate pressure must be set only at
authorized Cressi-sub centres, while the setting values can
NOT and must NOT be modified by the user, in order not to
affect the regulator' s performance. Cressi-sub decline any
responsibility for any intervention carried out by unauthorized
personnel.
You can find your authorized Cressi-Sub center by
asking your dealer, or Cressi Sub S.p.A. itself (email:
info@cressi-sub.it).
Using the included Allen key to unscrew the HP and LP caps of
the first stage, you can open and disassemble the second stage,
directly getting to its inner mechanism. This unique and patent
edfeature allows to open the case in an extremely easy and quick
way, to clean it and check the perfect working of all its compo-
nents.
A new patented cam-lock system allows to open and close the
case very quickly, at the same while blocking cap and diaphragm
perfectly and precisely.
A regulator has never been opened and closed in such a simple
and safe way!
The whole mechanism of second stage has been designed to
ensure easy and quick servicing and can therefore be taken out
of the case, without changing its calibration. Disassembling and
replacement of worn parts, on occasions of periodical servicing,
may be carried out holding the whole mechanism in one hand.
Visit our web-site www.cressi.com, where you can find further in-
formation relating to your equipment.