PRO-POINT ARC 170 Manuel D'utilisation page 11

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7.1 Follow all safety precautions and legal requirements
before welding a workpiece that contains Asbestos or
attempting to remove the Asbestos covering. This
requires expert knowledge and equipment.
7.2 Molten slag can run down the inside and outside of a
pipe and start a fire. Be aware where the pipe
terminates and take precautions.
8. Do not weld a panel that is a sandwich construction of
combustible and metal materials.
9. Have a fire extinguisher available for immediate use. A dry
chemical fire extinguisher for Types A, B and C is suggested.
9.1 Welding a combustible metal like zinc, magnesium or
titanium requires a Type D fire extinguisher.
9.2 Do not use liquid based fire extinguishing methods
near the electric arc welding unit, as it may cause a
shock hazard.
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.
11.1 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
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ARC 170 DUAL VOLTAGE ARC/TIG WELDER 8611295
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