Final Checks - Aqua Lung LEGEND LX Service Manual

31. If the regulator is a Legend LX Supreme, fit the lip
shield over the mouthpiece and against the
mouthpiece strap.

FINAL CHECKS

1. Put the regulator under pressure with a 200 bar (±10
bar) supply.
Note: Tests 2 requires the use of a
Regulator Test bench.
2. Opening effort check. Apply an increasing inhalation
flow. When the MP starts to fall, note the effort reading
and compare it with the limits shown on table 5.
Checking specifications . If the opening effort is
outside the limits, you can procedd as follow:
Remove the plug (129633 or 129749 or 129723)
Screw ¼ turn the adjusting screw if the opening effort is
too low.
Unscrew ¼ turn the adjusting screw if the opening effort
is too high.
Check again the openng effort. If it is outside the limit,
readjust again.
You have the option to screw or unscrew the adjusting
screw of ± 0.5 turn from its initial position to obtain the
required opening effort.
3. Leak test. Connect the first stage to a cylinder charged
to 200 bar, open the cylinder valve and immerse the set
in a fresh water bath for one minute. Check that there
are no leaks. If a leak is detected, disassemble the
nd
entire 2 stage; check all sealing surfaces and the
correct positioning of all parts.
END OF REASSEMBLY
Service manual Legend LX – LUX second stage
Rev. 12/2011
Legend LX LUX second stage service manual
16