29
USE OF THE BCS WITH OXYGEN RICH MIXTURES
WARNING
MARES buoyancy compensators are considered to conform to
Directive 89/686/EEC when used with breathable air conforming
to EN 12021/rev,1998. The instructions for use are provided in
the enclosed manual and refer to use of the BC with breathable air
conforming to EN 12021/rev.1998 (oxygen content of 21±2%).
Because to date there are no regulations for verifying by means
of adequate and meaningful tests, that the essential safety
requirements prescribed by Directive 89/686/EEC have been met,
this MARES BC is not to be considered EC Certified for use with
oxygen rich mixtures (O2 >21±2%) under Directive 89/686/EEC.
WARNING
FOR NORTH AMERICA ONLY
Mares regulators, alternative second stages, and gas delivery
components are designed for and compatible with open circuit
SCUBA using compressed air or enriched air (Nitrox) mixtures not
exceeding 40% Oxygen ONLY.
These limits conform to the DAN Nitrox Industry Workshop
Proceedings of November, 2000.
Failure to follow this warning may result in SERIOUS INJURY or
DEATH to the user due to fire, explosion, or the deterioration or
failure of the equipment.
MARES supplies its authorized dealers with a kit for converting MARES
BCs for use with oxygen rich mixtures (Nitrox - maximum oxygen content:
40%). If, after the conversion, the BC is used with normal compressed
air, it will be necessary for a trained MARES technician to repeat the
entire conversion procedure before using the BC with oxygen-rich
mixtures again. This is because the BC may be contaminated with traces
of hydrocarbons or other impurities which could spark combustion.
WARNING
MARES BCs are designed and constructed exclusively for use
with compressed atmospheric air. Do not use this MARES BC
with other gases or with oxygen-rich mixtures. Failure to
observe this warning may result in premature wear of the
equipment, defective operation or risk of explosion, resulting
in potentially serious damage. The conversion of a MARES BC for
use with oxygen-rich mixtures must be carried out exclusively
by trained and qualified technicians who are perfectly familiar
with all the cleaning and assembly procedures for high pressure
oxygen systems (with oxygen content exceeding 21±2%).
DANGER
Do not use any MARES BC with oxygen rich mixtures (Nitrox
- Maximum oxygen content: 40%) without having first
received adequate training on their use: Failure to observe
this warning may result in a serious accident.
WHEN REPAIR OR SERVICING IS REQUIRED, THIS SHOULD BE
PERFORMED ONLY BY MARES OR BY A MARES AUTHORIZED SERVICE
CENTER.
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