Cylinder Using

• Be sure all connections aretight. Use soapy water to locate leaks.

• Keep cylinders valves,regulators, couplings, hose and apparatus clean and free of oil and grease.

• Keep cylinders away fromopen flames and sources of heat.

• Safety devices and valvesshall not be tampered with, nor repairs attempted.

• Use flashback arrestors andreverse-flow check valves to prevent flashback when using oxy-fuel systems.

• Regulators shall be removedwhen moving cylinders, when work is completed, and when cylinders are empty.

• Cylinders shall be used andstored in an upright position.

• The cylinder valve shouldalways be opened slowly. Always stand away from the face and back of the gaugewhen opening the cylinder valve.

• When a special wrench isrequired to open a cylinder or manifold valve, the wrench shall be left inplace on the valve stem when in use; this precaution is taken so the gas supplycan be shut off quickly in case of an emergency; and that nothing shall beplaced on top of a cylinder that may damage the safety device or interfere withthe quick closing of the valve.

• Fire extinguishingequipment should be readily available when combustible materials can be exposedto welding or cutting operations using compressed cylinder gases.

Things Not To Do

• Never roll a cylinder tomove it.

• Never carry a cylinder bythe valve.

• Never leave an opencylinder unattended.

• Never leave a cylinderunsecured.

• Never force improperattachments on to the wrong cylinder.

• Never grease or oil theregulator, valve, or fittings of an oxygen cylinder.

• Never refill a cylinder.

• Never use a flame to locategas leaks.

• Never attempt to mix gasesin a cylinder.

• Never discard pressurizedcylinders in the normal trash.