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1.3 Protection against fumes and gases
• Fumes, gases and powders produced during the welding (cut-
ting) process can be noxious for your health.
Under certain circumstances, the fumes caused by welding
(cutting) can cause cancer or harm the foetus of pregnant
women.
• Keep your head away from any welding (cutting) gas and
fumes.
• Provide proper ventilation, either natural or forced, in the
work area.
• In case of poor ventilation, use masks and breathing apparatus.
• In case of welding (cutting) in extremely small places the
work should be supervised by a colleague standing nearby
outside.
• Do not use oxygen for ventilation.
• Ensure that the fumes extractor is working by regularly check-
ing the quantity of harmful exhaust gases versus the values
stated in the safety regulations.
• The quantity and the danger level of the fumes depends on
the parent metal used, the filler metal and on any substances
used to clean and degrease the pieces to be welded (cut-
ted). Follow the manufacturer's instructions together with the
instructions given in the technical sheets.
• Do not perform welding (cutting) operations near degreasing
or painting stations.
Position gas cylinders outdoors or in places with good ventila-
tion.
1.4 Fire/explosion prevention
• The welding (cutting) process may cause fires and/or explo-
sions.
• Clear the work area and the surrounding area from any flam-
mable or combustible materials or objects.
Flammable materials must be at least 11 metres (35 feet)
from the welding (cutting) area or they must be suitably pro-
tected.
Sparks and incandescent particles might easily be sprayed
quite far and reach the surrounding areas even through
minute openings. Pay particular attention to keep people and
property safe.
• Do not perform welding (cutting) operations on or near con-
tainers under pressure.
• Do not perform welding or cutting operations on closed con-
tainers or pipes.
Pay particular attention during welding (cutting) operations
on pipes or containers even if these are open, empty and
have been cleaned thoroughly. Any residue of gas, fuel, oil or
similar materials might cause an explosion.
• Do not weld (cut) in places where explosive powders, gases
or vapours are present.
• When you finish welding (cutting), check that the live circuit
cannot accidentally come in contact with any parts connected
to the earth circuit.
• Position a fire-fighting device or material near the work area.
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1.5 Prevention when using gas cylinders
• Keep cylinders away from naked flames, electric arcs, torches
or electrode guns and incandescent material sprayed by
welding (cutting).
• Keep cylinders away from welding (cutting) circuits and elec-
trical circuits in general.
• Keep your head away from the gas outlet when opening the
cylinder valve.
• Never perform welding (cutting) operations on a pressurized
gas cylinder.
• A compressed air cylinder must never be directly coupled
to the machine pressure reducer. Pressure might exceed the
capacity of the reducer which could consequently explode.
1.6 Protection from electrical shock
• Electric shocks can kill you.
• Do not touch two torches or two electrode holders at the
same time.
lf you feel an electric shock, interrupt the welding (cutting)
operations immediately.
The arc striking and stabilizing device is designed
for manual or mechanically guided operation.
1.7 Electromagnetic fields &
interferences
• The welding (cutting) current passing through the internal and
external system cables creates an electromagnetic field in the
proximity of the welding (cutting) cables and the equipment
itself.
• Electromagnetic fields can affect the health of people who
are exposed to them for a long time (the exact effects are still
unknown).
Electromagnetic fields can interfere with some equipment like
pacemakers or hearing aids.
Persons fitted with pacemakers must consult their
doctor before undertaking arc welding or plasma
cutting operations.
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