insure that such procedures will not cause flammable or toxic vapors from substances inside.
They can cause an explosion even though they have been “cleaned”.
•
Vent hollow castings or containers before heating, cutting or welding. They may explode.
•
Sparks and spatter are thrown from the welding arc. Wear oil free protective garments such as
leather gloves, heavy shirt, cuff less trousers, high shoes and a cap over your hair. Wear
earplugs when welding out of position or in confined places. Always wear safety glasses with
side shields when in a welding area.
•
Connect the work cable to the work as close to the welding area as practical. Work cables
connected to the building framework or other locations away from the welding area increase
the possibility of the welding current passing through lifting chains, crane cables or other
alternate circuits. This can create fire hazards or overheat lifting chains or cables until they fail.
Rotating parts may be dangerous.
•
Use only compressed gas cylinders containing the correct shielding gas for the process used and
properly operating regulators designed for the gas and pressure used. All hoses, fittings, etc.
should be suitable for the application and maintained in good condition.
•
Always keep cylinders in an upright position securely chained to an undercarriage or fixed
support.
•
Cylinders should be located:
- Away from areas where they may be struck or subjected to physical damage.
- At a safe distance from arc welding or cutting operations and any other source of heat,
sparks, or flame.
•
Never allow the electrode, electrode holder or any other electrically “hot” parts to touch a gas
cylinder.
•
Keep your head and face away from the cylinder valve outlet when opening the cylinder valve.
•
Valve protection caps should always be in place and hand tight except when the cylinder is in
use or connected for use.
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