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Telwin EURARC 322 Manual

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_______________(GB)_____________
The operator must adopt the following procedures in order to
reduce exposure to electromagnetic fields:
- Fasten the two welding cables as close together as possible.
INSTRUCTION MANUAL
- Keep head and trunk as far away as possible from the welding
circuit.
- Never wind welding cables around the body.
- Avoid welding with the body within the welding circuit. Keep
both cables on the same side of the body.
WARNING! BEFORE USING THE WELDING MACHINE READ THE
- Connect the welding current return cable to the piece being
INSTRUCTION MANUAL CAREFULLY.
welded, as close as possible to the welding joint.
- Do not weld while close to, sitting on or leaning against the
ARC WELDING MACHINES FOR COATED ELECTRODES (MMA)
welding machine (keep at least 50 cm away from it).
FOR INDUSTRIAL AND PROFESSIONAL USE.
- Do not leave objects in ferromagnetic material in proximity of
Note: In the following text the term “welding machine" will be used.
the welding circuit.
- Minimum distance d= 20 cm (Fig. L).
1. GENERAL SAFETY CONSIDERATIONS FOR ARC WELDING
The operator should be properly trained to use the welding
machine safely and should be informed about the risks related to
arc welding procedures, the associated protection measures and
- Class A equipment:
emergency procedures.
This welding machine conforms to technical product standards
(Refer also to the “IEC TECHNICAL SPECIFICATION or CLC/TS
for exclusive use in an industrial environment and for professional
62081”: INSTALLATION AND USE OF EQUIPMENT FOR ARC
purposes. It does not assure compliance with electromagnetic
WELDING).
compatibility in domestic dwellings and in premises directly
connected to a low-voltage power supply system feeding
buildings for domestic use.
- Avoid direct contact with the welding circuit: the no-load
EXTRA PRECAUTIONS
voltage supplied by the welding machine can be dangerous
under certain circumstances.
WELDING OPERATIONS:
- When the welding cables are being connected or checks and
- In environments with increased risk of electric shock.
repairs are carried out the welding machine should be
- In confined spaces.
switched off and disconnected from the power supply outlet.
- In the presence of flammable or explosive materials.
- Make the electrical connections and installation according to
MUST BE evaluated in advance by an “Expert supervisor” and
the safety rules and legislation in force.
must always be carried out in the presence of other people
- The welding machine should be connected only and
trained to intervene in emergencies.
exclusively to a power source with the neutral lead connected
Technical protection measures MUST BE taken as described in
to earth.
5.10; A.7; A.9. of the “IEC TECHNICAL SPECIFICATION or
- Make sure that the power supply plug is correctly connected to
CLC/TS 62081”.
the earth protection outlet.
- Welding MUST NOT be allowed if the welding machine or wire
- Do not use the welding machine in damp or wet places and do
feeder is supported by the operator (e.g. using belts).
not weld in the rain.
- The operator MUST NOT BE ALLOWED to weld in raised
- Do not use cables with worn insulation or loose connections.
positions unless safety platforms are used.
- VOLTAGE BETWEEN ELECTRODE HOLDERS OR TORCHES:
working with more than one welding machine on a single piece
or on pieces that are connected electrically may generate a
- Do not weld on containers or piping that contains or has
dangerous accumulation of no-load voltage between two
contained flammable liquid or gaseous products.
different electrode holders or torches, the value of which may
- Do not operate on materials cleaned with chlorinated solvents
reach double the allowed limit.
or near such substances.
An expert coordinator must use measuring instruments to
- Do not weld on containers under pressure.
determine the existence of a risk and should take suitable
- Remove all flammable materials (e.g. wood, paper, rags etc.)
protection measures as detailed in 5.9 of the “IEC TECHNICAL
from the working area.
SPECIFICATION or CLC/TS 62081”.
- Provide adequate ventilation or facilities for the removal of
welding fumes near the arc; a systematic approach is needed
RESIDUAL RISKS
in evaluating the exposure limits for the welding fumes, which
will depend on their composition, concentration and the length
- OVERTURNING: position the welding machine on a
of exposure itself.
horizontal surface that is able to support the weight:
otherwise (e.g. inclined or uneven floors etc.) there is danger
of overturning.
- IMPROPER USE: it is hazardous to use the welding machine for
,
*
any work other than that for which it was designed (e.g. de-
- Use adequate electrical insulation with regard to the electrode,
icing mains water pipes).
the work piece and any (accessible) earthed metal parts in the
vicinity.
- Do not use the handle to hang up the welding machine.
This is normally achieved by wearing gloves, shoes, head
coverings and clothing designed for this purpose and by using
insulating platforms or mats.
2.INTRODUCTION AND GENERAL DESCRIPTION
This welding machine is a power source for arc welding, made
- Always protect your eyes using masks or helmets fitted with
specifically for MMA welding in alternating current (AC) and (for the
apprpriate lenses.
AC/DC models) in direct current (DC) with coated electrodes (rutile,
Use special fire-resistant protective clothing and do not allow
acid, basic).
the skin to be exposed to the ultraviolet and infrared rays
produced by the arc; other people in the vicinity of the arc
STANDARD ACCESSORIES:
should be protected by shields of non-reflecting curtains.
- Wheels kit.
OPTIONAL ACCESSORIES:
- MMA welding Kit.
3. TECHNICAL DATA
- The flow of the welding current generates electromagnetic
DATA PLATE
fields (EMF) around the welding circuit.
The most important data regarding use and performance of the welding
machine are summarised on the rating plate and have the following
Electromagnetic fields can interfere with certain medical
equipment (e.g. Pace-makers, respiratory equipment, metallic
meaning:
prostheses etc.).
Fig. A
Adequate protective measures must be adopted for persons with
1- Protection rating of the covering.
these types of medical apparatus. For example, they must be
2- Symbol for power supply line:
forbidden access to the area in which welding machines are in
1~: single phase alternating voltage;
3~: three phase alternating voltage.
operation.
3- Symbol for welding procedure provided.
This welding machine conforms to technical product standards
4- Symbol for internal structure of the welding machine.
for exclusive use in an industrial environment for professional
5- EUROPEAN standard of reference, for safety and construction of
purposes. It does not assure compliance with the basic limits
arc welding machines.
relative to human exposure to electromagnetic fields in the
6- Manufacturer's serial number for welding machine identification
domestic environment.
- 4 -
… 4 …


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