AVIATION Oxygen-- page 3 of 6

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Filling.

Containers must be refilled by a gas manufacture, gas distributor, or someone qualified in the refilling of aircraft oxygen cylinders. The markings stamped into cylinders shall not be removed or changed. The user shall not deface or remove any markings, labels, decals, tags or stencil marks applied by the supplier and used for identification of content.

The user shall not change, modify, tamper with, obstruct or repair the pressure-relief devices, container valves or in containers.

The user shall not repair or alter containers or container valves. Any other damage noted that might impair the safety of the container shall be called to the attention of the gas supplier refilling the container.

Transporting.

Containers should not be used as rollers, supports or for any purpose other than to contain the appropriate contents. The user should keep container valves closed at all times (charged or empty) except when the container is in use.

Storing.

Compressed gas containers should not be subjected to atmospheric temperatures above 130 degrees F. A flame shall never be permitted to come in contact with any part of a compressed gas container. Containers shall not be stored near readily ignitable substances such as gasoline or waste papers, or near combustibles including oil. Containers shall not be exposed to continuous dampness nor be stored in the sun.

Handling.

Compressed gases shall be handled only by properly trained persons. The user responsible for the handling of the container and connecting it for use shall check the identity of the gas by reading the label or other markings on the container before using. If container content is not identified by marking, the container shall be returned to the supplier without using it. Container color shall not be relied upon for content identification.

Connections that do not fit should not be forced. Threads on regulator connections or other auxiliary equipment should match those on container valve outlet. Regulators, gauges, hoses and other appliances provided for use with a particular gas or group of gases should not be used on containers containing gases having different chemical properties unless information obtained from the supplier indicates that this can be done safely. As an example, only pressure-regulating devices approved for use with oxygen should be used in oxygen service.

Putting in Service.

Container valve should be opened slowly for safety. Valve outlets should be pointed away from yourself and other persons. Valve wheels or levers should not be hammered in attempting to open or close the valve. For valves that are hard to open, or frozen because of corrosion, the supplier should be contacted for instructions. Before a regulator is removed from a container, the container valve should be closed and the regulator drained of gas pressure. Oxygen containers, valves, regulators, hose and other oxygen apparatus should be kept free from oil or grease and shall not be handled with oily hands, oily gloves or with greasy equipment.

Transfilling.

Transfilling of compressed gas from one tank to another is not recommended, but if done, must be carried out under carefully controlled conditions and requires appropriate equipment and done by properly trained and qualified personnel.

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