Aqua Lung Calypso Manuel d'entretien - Page 9
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Calypso/Titan Second Stage Service Manual
11.
Place the washer (17)
over the poppet shaft
(22), followed by the
locknut (16), with the flat
side facing down. Being
careful to avoid disturbing
the lever (18), turn the
locknut clockwise by hand
to engage the threads
of the poppet, and then
apply a 1/4" nut driver to
turn it further; only until 1
thread of the poppet shaft
is visible above the top of
the locknut.
12.
Hold the valve body (19)
with lever (18) station-
ary and upright with
one hand, and slowly
unscrew the inlet fitting
(13) counter-clockwise to
loosen and remove from
beneath it, while watching
to ensure that the lever
rises slightly as the pop-
pet shaft extends from
the valve body. Remove
and discard the previ-
ously used LP seat from
the inlet fitting.
13.
Insert the valve and lever
assembly (16-23) into the
left side of the box bottom
(4) as you face it.
14.
While holding the valve assembly (16-23) securely inside
the box bottom (4) and the lever (18) depressed, mate the
shorter threaded end of the inlet fitting (13) through the
inlet port and into the valve assembly (16-23). Turn the inlet
fitting clockwise by hand until finger snug, and then apply a
torque wrench with a 3⁄4" (19mm) crow foot to tighten it to a
torque measurement of 45 (±5) inch-pounds.
15.
Install new o-rings (24&27) on either end of the M.P. hose.
Thread the male fitting of the MP hose into the medium
pressure port of the first stage and apply a torque wrench
with a 9/16" crows foot to tighten to 40 (±2) in/lbs. Be certain
that the first stage of the regulator is functioning properly
and is delivering a medium pressure of 135 – 140 psi.
16.
Attach the female fitting of the second stage medium pres-
sure hose to the inlet fitting (13) of the second stage. Turn
the swivel nut clockwise until finger snug.
CAUTION:
Prior to adjusting and testing the
Calypso/Titan second stage regulator, the ac-
companying first stage must be correctly ser-
viced, adjusted to a stable intermediate pressure
of 135-140 psi, and fully tested. Refer to the
appropriate first stage service manual before at-
tempting to perform the adjustment and testing
of the Calypso/Titan second stage.
9