arcweld 130i-ST, Operator'S Manual

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SAFETY
4.a Welding may produce fumes and gases hazardous to
health. Avoid breathing these fumes and gases. When welding,
keep your head out of fume. Use enough ventillation and/or
exhaust at the arc to keep fumes and gases away from the
breathing zone.
When welding with electrodes which require
special ventilation such as stainless or hard facing (see
instructions on container or MSDS) or on lead or cadmium
plated steel and other metals or coatings which produce
highly toxic fumes, keep exposure as low as possible and
below Threshold Limit Values (TLV) using local exhaust
or mechanical ventilation. In confined spaces or in some
circumstances, outdoors, a respirator may be required.
Additional precautions are also required when welding on
galvanized steel.
4.b Do not weld in locations near chlorinated hydrocarbon vapors
coming from degreasing, cleaning or spraying operations. The
heat and rays or the arc can react with solvent vapors to form
phosgene, a highly toxic gas, and other irritating products.
4.c Shielding gases used for arc welding can displace air and
cause injury or death. Always use enough ventilation, especially
in confined areas, to insure breathing air is safe.
4.d Read and understand the manufacturer’s instructions for
this equipment and the consumables to be used, including the
material safety data sheet (MSDS) and follow your employer’s
safety practices. MSDS forms are available from your welding
distributor or from the manufacturer.
5.a Turn off input power using the disconnect switch at the fuse
box before working on the equipment.
5.b Install equipment in accordance with the national standard,
all local standards and the manufacturer’s recommendations.
5.c Ground the equipment in accordance with the national
standards and the manufacturer’s recommendations.
6.a Remove fire hazards from the welding area. If this is not
possible, cover them to prevent the welding sparks from starting
a fire. Remember that welding sparks and hot materials from
welding can easily go through small cracks and openings to
adjacent areas. Avoid welding near hydraulic lines. Have a fire
extinguisher readily available.
6.b When not welding, make certain no part of the electrode
circuit is touching the work or ground. Accidental contact can
cause overheating and create a fire hazard.
6.c Do not heat, cut or weld tanks, drums or containers until the
proper steps have been taken to insure that such procedures
will not cause flammable or toxic vapors from subtances inside.
They can cause an explosion even though they have been
“cleaned”.
6.d Sparks and spatter are thrown from the welding arc. Wear
oil free protective garments such as leather gloves, heavy shirt,
cuffless trouses, high shoes and a cap over your hair.
7.a 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.
7.b Always keep cylinders in an upright position securely
chained to an undercarriage or fixed support.
7.c Cylinder should be located:
•
Away from areas where they may be struck or subjected to
physical damage.
• A safe distance from arc welding or cutting operations and any
other source of heat, sparks, or flame.
7.d Never allow the electrode, electrode holder or any other
electrically “hot” parts to touch a cylinder.
7.e Keep your head and face away from the cylinder valve
outlet when opening the cylinder valve.
7.f Valve protection caps should always be in place and hand
tight except when the cylinder is in use or connected for use.
FUMES AND GASES
can be dangerous.
FOR ELECTRICALLY
powered equipment.
CYLINDER
may explode if damaged.
WELDING SPARKS
can cause fire or explosion.
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