Parkside PESG 120 A1 Manual De Instrucciones Original página 44

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Warning!
If the supply mains and circuits are overloaded,
other consumers may suffer interference during
the welding work. If you have any doubts, contact
your electricity supply company.
Sources of danger during arc welding
Hazard!
Arc welding results in a number of sources of
danger. It is therefore particularly important for
the welder to comply with the following rules so
as not to place himself or others in danger and to
avoid endangering people and equipment.
Have all work on the mains voltage system,
for example on cables, plugs, sockets, etc.,
performed only by trained electricians. This
particularly applies to configuring intermedia-
te cables.
If an accident occurs, disconnect the welding
power source from the mains immediately.
If electric touch voltages occur, switch off the
welding set immediately and have it checked
by an expert.
Always check for good electrical contacts on
the welding current side.
Wear insulating gloves on both hands for
welding. These offer protection from electric
shocks (idling voltage in the welding circuit),
harmful radiation (heat and UV radiation) and
from glowing metal and slag spatter.
Wear firm, insulated footwear. Your shoes
must also be suitable to protect you in wet
conditions. Open-toed footwear is not suita-
ble since falling droplets of glowing metal will
cause burns.
Wear suitable clothing, do not wear synthetic
clothes.
Do not look into the arc with unprotected
eyes, use only a welding screen with the
proper safety glass in compliance with DIN
standards. In addition to light and heat, which
may cause dazzling and burns, the arc also
gives off UV radiation. Without proper protec-
tion, this invisible ultraviolet radiation causes
very painful conjunctivitis, which will only be
noticeable several hours later. In addition,
UV radiation will cause harmful sunburn-type
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Anl_1549055.indb 44
GB/MT
symptoms on unprotected parts of the body.
Personnel or assistants in the vicinity of the
arc must also be notified of the dangers and
provided with the required protection; if ne-
cessary install safety walls.
Ensure adequate ventilation for welding,
particularly in small rooms since the process
causes smoke and harmful gases.
Do not carry out any welding work on tanks
that have been used to store gases, fuels,
mineral oil or the like, even if they have been
empty for a lengthy period of time, since any
residue will result in a danger of explosion.
Special regulations apply in areas where the-
re is a potential risk of fire and/or explosion.
Welds that are exposed to large stresses and
must comply with safety requirements may
only be completed by specially trained and
approved welders. Examples of such welds
include pressure vessels, rails, trailer hitches,
etc.
Notes:
It must be noted that the protective con-
ductor in electrical systems or equipment may
be destroyed by the welding current in the
event of negligence, for example if the earth
terminal is placed on the welding set casing
to which the protective conductor of the elec-
trical system is connected. The welding work
is completed on a machine with a protective
conductor connection. It is therefore possible
to weld on the machine without having con-
nected the earth terminal to it. In this case the
welding current will flow from the earth ter-
minal through the protective conductor to the
machine. The high welding current may cause
the protective conductor to melt.
The fuses on the supply cables to the mains
sockets must comply with the relevant regulati-
ons (VDE 0100). To comply with these regula-
tions, only fuses or circuit breakers suitable for
the cross-section of the cables may be used
(for earthing contact sockets max. 13 A fuses
or 13 A circuit breakers). The use of too high
a fuse may result in the cable burning and fire
damage to the building.
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17.10.12 16:34
17.10.12 16:34

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