Powerfist CUTPRO 20 Mode D'emploi page 9

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10. Ventilation systems should be positioned so sparks or molten slag isn't
carried to an adjacent area.
11. Have a Fire Watcher observing areas outside of the welder's view, such as
the opposite side of a wall or behind the welder. A fire may also start on
the other side of a structure that could not be removed. The Fire Watcher
will extinguish a fire or raise the alarm to evacuate if the fire cannot be
contained by the extinguishing equipment.
a. A fire watch extends at least 30 minutes after the welding is
complete to ensure there are no fires caused by smoldering sparks
or ejected material.
FUMES AND GASES
WARNING! Stop welding and move to a location with ventilation if your eyes,
nose or throat become irritated. This indicates the ventilation is not adequate
to remove the fumes. Do not resume welding until the ventilation is improved
and 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.
a. 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.
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.
a. Ventilation should be enough to disperse fumes, but not enough to
disturb the shielding gas or flame during welding.
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20A Plasma Cutter 8901183
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