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B-701964-00 Rev. C
Introduction
1-3
Companion 1000/T Liquid Oxygen System Technical Manual
1.3
SAFETY PRECAUTIONS
This section covers precautions and safe practices as they apply to facilities and
personnel involved in servicing medical oxygen equipment. These precautions are
divided into three main areas: cold safety, expansion safety, and fire safety. To ensure
reliability and safety, the service techniques, work area, and equipment used in the
storage, service, and handling of this system must be of the highest standard. Refer to
the Companion Liquid Oxygen Systems Operating Instructions (B-701417-00) for
additional safety precautions regarding the use of this equipment.
1.3.1
Cold Safety
Recommended Protective Clothing:
•
Heavily insulated gloves
(for example, cryogenic or welding gloves). Never use
gloves that are contaminated with grease or oil when working with liquid oxygen.
•
Protective face shield and goggles.
•
Long sleeve shirt.
Wear natural fibers such as cotton or wool. Avoid synthetic
materials such as polyester or rayon.
•
Long pants.
Never wear pants with cuffs. Liquid oxygen may become trapped and
cause serious burns to skin. Wear natural fibers such as cotton or wool. Avoid
synthetic materials such as polyester or rayon.
•
Protective cryogenic or welding apron.
Important Facts:
•
Direct exposure to liquid oxygen or exposure to its vented gas or components
cooled by liquid oxygen can result in frostbite. If frostbite occurs, seek medical
attention immediately.
WARNING
Extreme cold hazard. Liquid oxygen is extremely cold (-297°F/
-183°C) and will freeze skin on contact.
Never touch liquid
oxygen or frosted parts.
WARNING
Extreme cold hazard. Liquid oxygen can spill from the
Portable. Always keep the Portable upright.
WARNING
Extreme cold hazard. Forceful discharge of liquid oxygen
possible if fill connector freezes open upon disengagement.
Always dry fill connectors with clean, dry lint free cloth before
fill.
Summary of Contents for COMPANION 1000
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