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This Guide is made available for the express use of owners and users of the Dive Lab XLDS systems.
This information is subject to periodic updates and changes. Always check the Dive Lab web site for the latest versions.
Document XLDS Guide – Section Three
Revised July 17, 2019
10
SECTION THREE: CONFIGURATION AND USE
Emergency Gas System
The emergency gas system is attached to the
modified harness. The emergency gas system is
made up of a good quality first stage SCUBA
regulator, and high-pressure cylinder. Cylinder
capacity must be selected based on the depth,
and potential hazards that may be encountered.
It is strongly recommended that the cylinder
capacity be sufficient, to allow a normal ascent to
the surface, or to a place of safety where
breathing gas can be restored. The
regulator used
with the cylinder, should be equipped with a
relief / bleed valve. The bleed
valve allows excess
pressure to vent from the EGS supply whip, in the
event the first stage develops a minor leak.
Without the bleed valve, a minor first stage leak,
could cause the pressure within the EGS to rise,
above the maximum safe working pressure of the
LP supply whip causing the whip to rupture,
resulting in loss of the EGS system. The XLDS
comes standard with either a 30 or 40 C.F.
emergency cylinder which fits the standard
system cylinder straps. If larger diameter
cylinders are to be used the longer cylinder
retaining straps will be required.
EGS Assembly and ICS Manifold Compensating System
WARNING
Under no circumstance should the XLDS diving
system EVER be used without a fully functioning
man worn emergency gas system.
