REGULATORS
DELTA II SECOND STAGE
© 2002 Design 1997
OCEANIC® Product Service Guide
Doc. 12-2223-r03 (10/3/10)
PG-9
R = Revision
17. Using a narrow shafted, slotted blade screwdriver, gently turn the
orifice(11) clockwise into the coupling(12) until the knife edge is
barely contacting the poppet seat(14). DO NOT continue to turn
the orifice any further beyond this point, which will cause the lever
arm to drop. Doing so will damage the poppet seat, requiring its
replacement. (Fig. 16)
18. Place the diaphragm(3) inside the housing(4) with the raised
center facing up, and ensure that it seats flush at the base of the
inner threads. Place the diaphragm washer(2) directly over the
diaphragm(3), and ensure that it seats flush also.
19. Position the front cover(1) onto the housing(4), taking care to
ensure that it is correctly seated on the threads. Hand tighten
until secure and in alignment, attained when a small pin located
on the underside of the cover below the lower inlet port snaps
into a small groove located at the bottom of the housing rim. Use
the front cover tool, if necessary. DO NOT over tighten.
20. Secure the mouthpiece(9) onto the housing(4) with an all plastic,
noncorrosive tie wrap(8), positioning the locking tab of the tie
wrap towards the hose. (Fig. 17)
NOTE: Oceanic’s patented Orthodontic Mouthpieces are
designed to accommodate the natural overbite of the hu-
man jaw.
21. Lubricate and replace the o-ring inside the second stage coupling
end of the LP hose. Install the hose onto the second stage, and
tighten
to a torque of 55 in/lbs
with an 11/16" crows foot wrench,
while holding the hex portion of the inlet coupling secure with
either a 3/4" or 13/16" open end wrench. (Fig. 18)
FINAL TUNING AND TESTING
FIRST STAGE TESTING
1. Perform the Leak Detection Test specified in the Initial Inspection
procedure.
NOTE: Refer to the Trouble Shooting section to determine
the possible cause and treatment of any gas leaks that may
be found.
2. Connect the Delta II second stage low pressure hose to a low
pressure port of the first stage. Ensure that all other ports are
sealed with port plugs, with the exception of an additional low
pressure quick disconnect hose.
3. Connect a recently calibrated low pressure test gauge to the ad-
ditional low pressure hose, and connect the first stage to a pure
breathing gas source of 3,000PSI.
Fig. 16
Fig. 17
Fig. 18
