Seac Sub N-Synchro Instructions page 18

USE OF N-SYNCHRO SERIES
REGULATORS
BEForE EACh DIVE
The regulator must always be transported
separately so as to prevent it from coming
in contact with the belt or other heavy or
pointed objects.
To assemble the regulator properly onto the
tank valve, proceed as follows:
Check the o-ring seal located in the first
stage. It should be in perfect condition,
and divers should carry a few replacement
o-rings with them so they can be replaced
as soon as damage is noticed, even minimal
damage such as tiny cuts or pores.
open the valve, allowing a small amount of
compressed air out to clear any foreign mat-
ter out of the jet.
remove the protective cap from the first
stage by unscrewing it counter-clockwise.
Check the filter. Put the first stage in place
and screw it down all the way using the
threaded handwheel, making sure that the
hose comes out to the right, meaning with
the deflector pointing downward.
open the tank valve by turning clockwise
slowly to prevent an abrupt and violent
burst of air toward the regulator; the valve
must be entirely open before beginning the
dive. Press the second stage purge button
two or three times to clear out any dust or
foreign matter. Finally, try breathing through
the second stage to be sure that it operates
normally.
If the regulator is not held in the mouth
when entering the water, it should be kept
in pre-dive position, and fully flooded with
water if necessary to prevent freeflows of
air due its high sensitivity. To do this simply
shake the second stage gently, rotating it up
and down.
The N-SYNChro oCTo or the second safety
regulator should be used with the appropri-
ate cap fitted on the mouthpiece to keep out
extraneous materials and prevent accidental
flow of air.
AFTEr EACh DIVE
AND PErIoDIC mAINTENANCE
Your regulator is made of very high-quality
materials and has undergone exhaustive test-
ing in seawater. Nonetheless, every precau-
tion should be taken in order to protect the
instrument from the corrosive action of salt.
let's consider for example what to do when
returning to the boat, step by step.
As soon as the tank has been hoisted onto
16 16
the boat, the regulator must be disconnected.
Then close the valve, turning clockwise. Dis-
charge residual air by pressing the button in
the middle of the second stage and unscrew
the threaded handwheel that holds the first
stage in place.
lay the tank on its side to prevent harmful
falls. Clean and thoroughly dry the first stage
filter and its housing with a gentle stream of
compressed air. repeat the same operation
on the protective cap covering the filter. Place
the dust cap over the filter and screw it into
place. As soon as you get back to land, wash
the regulator in fresh water, carefully rins-
ing all its parts thoroughly. Do not remove
the first stage filter protective cap for any
reason when rinsing. During this operation,
be extremely careful not to press on the dia-
phragm in order to avoid water leaks into the
first and second stages.
If you are not using the regulator for some
weeks, again connect the regulator to a
cylinder and, by depressing the second stage
purge button to cause continuous air delivery
for about ten seconds. In this way all the wa-
ter is discharged and there is no risk of scale
deposits or undesirable taste.
The regulator shall be put to dry in a place
sheltered from the sun and dust, hanging
from the first stage yoke, so that the hose is
not bent.
At the end of a particularly intensive diving
season or, in any case after 50-60 hours of use,
it is advisable to have a complete overhaul
carried out at an approved Seacsub service
centre. Consequently, we advise you to con-
tact your dealer, who will further advise you
on the quickest and safest way of servicing
your regulator.
Warning!
to make it easier to find and identify n-sYn-
CHro spare parts, we have included a man-
ual with exploded diagrams of the first and
second stages. to examine these diagrams
more quickly and easily, you can download
them from our website, www.seacsub.com,
in the special download area.
DIVING IN ColD WATEr
Incorrect preparation for cold water diving
(less than +10 degrees centigrade) may cause
serious damage.
Before diving in cold water, you should follow
specific training under the supervision of spe-
cialized and qualified trainers in cold-water
diving techniques.