Final Assembly - Aqua Lung SECOND STAGE Service Manual

10
FINAL CHECKS
1. Put the regulator under pressure with a 200 bar (±10
bar) supply.
Note: Tests 2,3 and 4 require 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 then check Table 1. Troubleshooting
Guide.
3. Flow/effort test . Apply an inhalation flow of 400 l/min
and check that the effort does not exceed 15 mbar. If
the effort exceeds this then check Table 1.
Troubleshooting Guide.
4. 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
Legend LX Second Stage Service Manual