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icing mains water pipes).
_______________(GB)_____________
- Do not use the handle to hang up the welding machine.
2. INTRODUCTION AND GENERAL DESCRIPTION
INSTRUCTION MANUAL
This apparatus is a power source for arc welding, made specifically for
alternating current (AC) MMA welding with coated electrodes.
STANDARD ACCESSORIES:
- electrode holder clamp;
WARNING: BEFORE USING THE MACHINE READ THE
- return cable and earth clamp;
INSTRUCTION MANUAL CAREFULLY!
- wheels kit (in models on wheels).
3. TECHNICAL DATA
LIMITED SERVICE, MANUAL ARC WELDING MACHINES
DATA PLATE
FOR COATED ELECTRODES (MMA)
The most important data regarding use and performance of the
Note: In the following text the term “welding machine" will
welding machine are summarised on the rating plate and have the
be used.
following meaning:
Fig. A
1. GENERAL SAFETY CONSIDERATIONS FOR ARC
1 - EUROPEAN standard of reference for safety and construction of
WELDING
arc welding machines.
2 - Symbol : alternating welding current.
3 - Symbol : indicates that welding operations may be carried
- Avoid direct contact with the welding circuit: the no-load
out in environments with heightened risk of electric shock (e.g.
voltage supplied by the welding machine can be dangerous
under certain circumstances.
very close to large metallic volumes).
- When the welding cables are being connected or checks and
4 - Symbol for power supply line:
repairs are carried out the welding machine should be
1~: single phase alternating voltage.
switched off and disconnected from the power supply outlet.
5 - Protection rating of the covering.
- Switch off the welding machine and disconnect it from the
power supply outlet before replacing consumable torch parts.
6 - Symbol :protection class II.
- Make the electrical connections and installation according to
7 - Technical specifications for power supply line:
the safety rules and legislation in force.
- The welding machine should be connected only and
-U : Alternating voltage and power supply frequency of
1
exclusively to a power source with the neutral lead connected
welding machine (allowed limit ±10%).
to earth.
-I : Maximum current absorbed by the line.
1 max
- Make sure that the power supply plug is correctly connected
-I : effective current supplied.
to the earth protection outlet.
1 eff
- Do not use the welding machine in damp or wet places and do
8 - Performance of the welding circuit:
not weld in the rain.
-U : maximum no-load voltage (open welding circuit).
0
- Do not use cables with worn insulation or loose connections.
-Ø : diameter of weldable electrodes.
- I : welding current at the corresponding arc voltage.
2
-tw : Average load time calculated between thermal switch
- Do not weld on containers or piping that contains or has
reset and interruption with welding machine at steady
contained flammable liquid or gaseous products.
state.
- Do not operate on materials cleaned with chlorinated solvents
-tr : Average reset time calculated between thermal switch
or near such substances.
interruption and reset with welding machine at steady
- Do not weld on containers under pressure.
state.
- Remove all flammable materials (e.g. wood, paper, rags etc.)
from the working area.
-A/V-A/V : shows the range of adjustment for the welding current
- Provide adequate ventilation or facilities for the removal of
(minimum maximum) at the corresponding arc voltage.
welding fumes near the arc; a systematic approach is needed
9 - Manufacturer's serial number for welding machine identification
in evaluating the exposure limits for the welding fumes, which
(indispensable for technical assistance, requesting spare parts,
will depend on their composition, concentration and the
discovering product origin).
length of exposure itself.
10 - : Size of delayed action fuses to be used to protect the
power line.
11 - Symbols referring to safety regulations, whose meaning is given
,
*
- Use adequate electrical insulation with regard to the
in chapter 1 “General safety considerations for arc welding”.
electrode, the work piece and any (accessible) earthed metal
parts in the vicinity.
NOTE: The data plate shown above is an example to give the meaning
of the symbols and numbers; the exact values of technical data for the
This is normally achieved by wearing gloves, shoes, head
welding machine in your possession must be checked directly on the
coverings and clothing designed for this purpose and by
data plate of the welding machine itself.
using insulating platforms or mats.
- Always protect your eyes using masks or helmets with special
OTHER TECHNICAL DATA
actinic glass.
Use special fire-resistant protective clothing and do not allow
- WELDING MACHINE: see table 1 (TAB.1)
the skin to be exposed to the ultraviolet and infrared rays
produced by the arc; other people in the vicinity of the arc
The welding machine weight is shown in table 1
should be protected by shields of non-reflecting curtains.
(TAB. 1).
4. DESCRIPTION OF THE WELDING MACHINE
CONTROL, ADJUSTMENT AND CONNECTION DEVICES
- The electromagnetic fields generated by the welding process
Fig. B
may interfere with the operation of electrical and electronic
equipment.
5. INSTALLATION
Users of vital electrical or electronic devices (e.g. pace-
makers, respirators etc.) should consult a doctor before
WARNING!
stopping in the vicinity of areas where this welding machine is
CARRY OUT ALL INSTALLATION OPERATIONS AND
used.
ELECTRICAL CONNECTIONS WITH THE WELDING MACHINE
Users of vital electrical or electronic devices should not use
COMPLETELY SWITCHED OFF AND DISCONNECTED FROM THE
the welding machine.
POWER SUPPLY OUTLET.
THE ELECTRICAL CONNECTIONS MUST BE MADE ONLY AND
EXCLUSIVELY BY AUTHORISED OR QUALIFIED PERSONNEL.
RESIDUAL RISKS
- OVERTURNING: position the welding machine on a horizontal
PREPARATION
surface that is able to support the weight: otherwise (e.g.
Fig. C
inclined or uneven floors etc.) there is danger of overturning.
Unpack the welding machine, assemble the separate parts contained
in the package.
- IMPROPER USE: it is hazardous to use the welding machine
Assembling the protective mask
for any work other than that for which it was designed (e.g. de-
Fig. D
SS
- 3 -
3 …

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