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the discomfort ceases. Seek medical attention if the
symptoms do not diminish or if the welder experiences
nausea, dizziness or malaise.
Welding may produce hazardous fumes and gas during the
welding process. A well ventilated work area can normally
remove the fumes and gases, but sometimes the welding
produces fumes and gases that are hazardous to your health.
1.
Only work in a confined space if the area is well ventilated
or while wearing a respirator or an air-supplied respirator.
Welding fumes and gases can displace air and lower the
oxygen level causing injury or death. Be sure the breathing
air is safe. Always have a trained watchperson nearby.
1.1 If ventilation in the work area is poor, use an approved
air-supplied respirator. All the people in the work area
must also have air-supplied respirators.
1.2 Oxygen displacement can occur in confined areas when
the shielding gas fills the area and pushes out air.
1.2.1
1.2.2
2.
Avoid positions that allow welding fumes to reach your
face. Always attempt to weld 'upwind' of the workpiece
with the airflow across the face of the welder. Airflow from
behind may create a low pressure area in front of the
welder and draw the fumes to the person.
3.
Ventilate the work area to remove welding fumes and
gases. The fumes and gases should be drawn away from
the user.
3.1 Ventilation should be enough to disperse fumes,
but not enough to disturb the shielding gas or flame
during welding.
12
ARC 170 DUAL VOLTAGE ARC/TIG WELDER
Argon, Propane and Carbon Dioxide are heavier
than air and will fill a confined space from the
bottom up.
Helium and natural gas are lighter than air and
will fill a confined space from the top down.
For technical questions call 1-800-665-8685
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