As used throughout this manual: Means Attention! Be Alert!
DANGER!
Means immediate hazards which, if not avoided, will result in immediate,
serious personal injury or loss of life.
WARNING!
Means potential hazards which could result in personal injury or loss of life.
CAUTION!
Means hazards which could result in minor personal injury.
WARNING!
Before use, read and understand the instruction manual
and follow all labels, employer´s safety practices and
Safety Data Sheets (SDSs).
1.2 Safety precautions
Users of ESAB equipment have the ultimate responsibility for ensuring that anyone who
works on or near the equipment observes all the relevant safety precautions. Safety
precautions must meet the requirements that apply to this type of equipment. The following
recommendations should be observed in addition to the standard regulations that apply to
the workplace.
All work must be carried out by trained personnel well-acquainted with the operation of the
equipment. Incorrect operation of the equipment may lead to hazardous situations which can
result in injury to the operator and damage to the equipment.
1. Anyone who uses the equipment must be familiar with:
○ its operation
○ location of emergency stops ○ its function ○ relevant safety precautions ○ welding and cutting or other applicable operation of the equipment
2. The operator must ensure that:
○ no unauthorized person is stationed within the working area of the equipment
when it is started up
○ no-one is unprotected when the arc is struck, or work is started with the equipment
3. The workplace must:
○ be suitable for the purpose
○ be free from drafts
4. Personal safety equipment:
○ Always wear recommended personal safety equipment, such as safety glasses,
flame-proof clothing, safety gloves
○ Do not wear loose-fitting items, such as scarves, bracelets, rings, etc., which could
5. General precautions:
○ Make sure the return cable is connected securely
○ Work on high voltage equipment may only be carried out by a qualified
electrician
○ Appropriate fire extinguishing equipment must be clearly marked and close at
hand
○ Lubrication and maintenance must not be carried out on the equipment during
operation
WARNING!
Arc welding and cutting can be injurious to yourself and others. Take precautions
when welding and cutting.
ELECTRIC SHOCK - Can kill
• Install and ground the unit in accordance with instruction manual.
• Do not touch live electrical parts or electrodes with bare skin, wet gloves,
or wet clothing.
• Insulate yourself from work and ground.
• Ensure your working position is safe
ELECTRIC AND MAGNETIC FIELDS - Can be dangerous to health
• Welders having pacemakers should consult their physician before welding.
EMF may interfere with some pacemakers.
• Exposure to EMF may have other health effects which are unknown.
• Welders should use the following procedures to minimize exposure to
EMF:
○ Route the electrode and work cables together on the same side of your
body. Secure them with tape when possible. Do not place your body
between the torch and work cables. Never coil the torch or work cable
around your body. Keep welding power source and cables as far away
from your body as possible.
○ Connect the work cable to the workpiece as close as possible to the
area being welded.
FUMES AND GASES - Can be dangerous to health
• Keep your head out of the fumes.
• Use ventilation, extraction at the arc, or both, to take fumes and gases
away from your breathing zone and the general area.
ARC RAYS - Can injure eyes and burn skin
• Protect your eyes and body. Use the correct welding screen and filter lens
and wear protective clothing.
• Protect bystanders with suitable screens or curtains.
0700 025 099
NOISE - Excessive noise can damage hearing
Protect your ears. Use earmuffs or other hearing protection.
• Keep all doors, panels and covers closed and securely in place. Have only
qualified people remove covers for maintenance and troubleshooting as
necessary. Reinstall panels or covers and close doors when service is
finished and before starting engine.
• Stop engine before installing or connecting unit.
• Keep hands, hair, loose clothing and tools away from moving parts.
FIRE HAZARD
• Sparks (spatter) can cause fire. Make sure that there are no inflammable
materials nearby.
• Do not use on closed containers.
MALFUNCTION - Call for expert assistance in the event of malfunction. PROTECT
YOURSELF AND OTHERS!
CAUTION!
This product is solely intended for arc welding.
WARNING!
Do not use the power source for thawing frozen pipes.
CAUTION!
Class A equipment is not intended for use in residential
locations where the electrical power is provided by the
public low-voltage supply system. There may be
potential difficulties in ensuring electromagnetic
compatibility of class A equipment in those locations,
due to conducted as well as radiated disturbances.
NOTE!
Dispose of electronic equipment at the recycling
facility!
In observance of European Directive 2012/19/EC on
Waste Electrical and Electronic Equipment and its
implementation in accordance with national law,
electrical and/or electronic equipment that has reached
the end of its life must be disposed of at a recycling
facility.
As the person responsible for the equipment, it is your
responsibility to obtain information on approved
collection stations.
For further information contact the nearest ESAB dealer.
ESAB has an assortment of welding accessories and personal protection equipment
for purchase. For ordering information contact your local ESAB dealer or visit us on
our website.
The MIG / MAG welding torches of this series are exclusively intended for shielded- arc
welding using inert gas (MIG) or active gas (MAG) for industrial and commercial use by
suitably trained employees. The torches are only available in manual versions.
2.1 Shipment and packaging
The components are carefully checked and packaged; however, damage may occur during
shipping.
2.1.1 Checking procedure on receipt of goods
Check that the shipment is correct by referring to the shipping note.
2.1.2 In case of damage
Check the package and components for damage (visual inspection).
2.1.3 In case of complaints
If the package and/or components have been damaged during shipment:
• Contact with the last carrier immediately.
• Keep the packaging (for possible inspection by the carrier or supplier, or for returning
the goods).
2.1.4 Storage in an enclosed space
Ambient temperature for shipment and storage: -20 °C to +55 °C
Relative air humidity: up to 90% at a temperature of 20 °C
3. TECHNICAL DATA
Welding torch
Type of cooling* Liquid-cooled Liquid-cooled
Torch rating and duty cyle, using**
Carbon dioxide CO2
Mixed gas, Ar/CO
2
M21
Recommended gas
flow
Wire diameter 0.8-1.6 mm 0.8-1.6 mm
Operating
temperature***
Exeor MIG 4.0W² Exeor MIG 4.0W² CX
450 A / 100% DC 450 A / 100% DC
450 A / 100% DC 450 A / 100% DC
10-20 l/min 10-20 l/min
-10 °C to 40 °C -10 °C to 40 °C
* An appropriate cooling liquid must be used.
** The capacity may be reduced up to 30% when pulse welding.
*** When using liquid cooled torches in freezing conditions, use an adequate cooling liquid.
* The capacity may be reduced up to 30% when pulse welding.
Duty cycle
The duty cycle refers to the time as a percentage of a ten-minute period that you can weld at
a certain load without overloading. The duty cycle is valid for 40 °C / 104 °F, or below.
General torch data with reference IEC 60974-7:2019
Type of guidance: Manual
Wire type: Standard round wire
Voltage rating: The control circuit and trigger switch are
rated for a voltage of 24 V, max. 1 A
Specifications of the torch cooling circuit
(For liquid cooled torches only):
• minimum flow 1.2 l/min
• min. liquid pressure: 2.5 bar
• max. liquid pressure: 3.5 bar
• input temperature: max. 40 °C
• return temperature: max. 60 °C
• cooling capacity: minimum 1000 W, up
to 2000 W depending on the application
Liquid cooled torches
Return temperatures of more than 60 °C can shorten the lifetime of the torch or cause
damage or destruction of the torch. The cooler must always be filled with sufficient cooling
liquid, refer to the instruction manual for the cooling unit. In case of a high thermal load on
the torch, use a cooler with sufficient capacity. Use only special cooling fluid containing
corrosion inhibitors for welding torches. For suitable products, contact your nearest ESAB
dealer.
The ratings are valid for cable lengths from 3.0 to 5.0 m.
The rated loads refer to a standardized case of use. Under special conditions, e.g. in case of
high heat reflection on the torch, the torch could overheat even when operated below the
rated load. In this case choose a more powerful model or lower the duty cycle.
1. The welding torch should only be used within the above-mentioned technical
specifications and for its intended purpose.
2. The type of torch must be chosen according to the welding application. The required
duty-cycle and load, the type of cooling, guiding method and the wire diameter must be
considered. If increased requirements exist, for example caused by pre-heated work
pieces, high heat reflection in corners, etc. these must be considered by choosing a
welding torch with adequate reserve in rated load.
3. The product must be protected from humidity and moisture during transport, storage
and operation.
General safety regulations for handling the equipment can be found in the "SAFETY"
chapter of this manual. Read it through before you start using the equipment!
CAUTION!
This product is intended for industrial use. In a domestic environment this product may
cause radio interference. It is the user's responsibility to take adequate precautions.
DANGER!
In the event of an emergency, the power supply must be switched off immediately.
For further action in such circumstances, refer to the instruction manual for the
power source for more information.
The welding torch can be used in any welding position.
Contact with hot items might cause damage to the torch and the cable assembly.
Do not drag the power source using the torch.
Do not pull the cable assembly over sharp edges. Do not bend the cable assembly sharply.
4.1 Fitting the liner
Fit the correct wire guide liner for the application, as needed to suit the wire type and
diameter. See chapter "MAINTENANCE" section "Steel liner / Plastic liner".
NOTE!
For information on how to install new liners and about correct assembly
procedure, see the chapter entitled “Maintenance”
Steel liner = for steel wires
Plastic liner = for aluminium, copper, nickel and stainless-steel wires
4.2 Equipping the torch
The torch must be equipped according to the wire diameter and wire material. Choose the
right liner, contact tip, tip adaptor, gas nozzle and gas diffuser (as applicable). A detailed
overview of the suitable parts is found in the spare parts list for the torch.
Tighten the tip adaptor and the contact tip with an adequate tool.
Make sure that all required parts shown in the spare parts list, e.g. insulators, are installed.
Welding without these items might cause immediate destruction of the torch.
4.3 Fitting the central adaptor to the equipment
1. Check that the wire guide liner is fitted correctly.
2. Insert the central plug into the socket on the wire feed unit and secure it by tightening
the adaptor nut firmly by hand.
Connect the liquid hoses to the cooling unit: blue for liquid flow forward from the cooler to the
torch; red for heated liquid flow backwards from the torch to the cooler. Before using a liquid
-cooled torch, the air must be removed from the cooling circulation by running the cooler for
a few minutes.
CAUTION!
Wrongly connected liquid hoses can cause overheating and damage of the torch neck
and liquid-power cable. Regularly check the coolant level and throughput on the
cooling unit. Insufficient cooling might cause overheating and damage of the torch
neck and liquid-power cable.
NOTE!
To achieve an optimal gas and liquid flow, place the cable assemblies and the gas
and liquid hoses as straight as possible. Kinked hoses will cause overheating and can
damage the torch. Protect cables and supply hoses from damage.
4.5 Setting the level of shielding gas
Set the quantity of gas required on the gas regulator. The type and quantity of gas to be
used depend on the welding task to be performed.
4.6 Checklist
Check the cable assembly before connecting it to the wire feed unit to confirm the wire liner
is suitable for the wire diameter and type.
Check the front-end consumable parts on the swan neck, whether the correct contact tip etc.
is being used for the wire diameter and type.
4.7 Changing wire
When changing the wire, ensure that the end of the wire is deburred.
Insert the wire into the wire feeding unit in accordance with the operating instructions.
When inserting the wire, press the wire jog button on the wire feed unit.
4.8 Starting and stopping the welding process
The wire feeder and the welding process will be started by pulling the torch trigger.
Depending on the configuration of the welding machine, the welding process will be stopped
by either letting go of the trigger or by pulling the trigger a second time. Refer to the
instruction manual for the power source for more information.
DANGER!
The torch head might reach very high temperatures during operation, there is a risk of
severe burns. Let it cool down under observation, there is risk of fire. Do not place the
hot torch on or near heat-sensitive objects. For liquid-cooled torches, the cooling
system should remain switched on for some minutes after the welding process has
been stopped.
When leaving the workplace, the system must be secured against unintended
operation, preferably by switching off the power source.
1 The Button to decrease the value 3 LEDs
2 The Button to increase the value
5.1.1 Starting procedure
When the torch is connected to the system, all LEDs will be lit in green.
5.1.2 Torch configuration
The function needs to be activated on the torch can be selected from the Inner control panel
of RobustFeed Edge under “Menu → System settings → Torch remote configuration → CX
Torch module”. Turn ON “Activate Remote functionality”, to enable the required function to
be activated on torch. Only one function can be active at a time.
The torch remotes can be configured even if there are no torch remotes connected to the
system. Changes in the configuration can have direct impact to the torch remote if it is
connected and active.
For Jobs function, the first 3 jobs represent the 3 LEDs. If a first job is activated, then first
LED will be lit in green.
NOTE!
For Voltage, Arc length and Wire feed speed, the long press of buttons (1 & 2) will set
to lower / upper limit values respectively.
5.1.4 Warning / Error
Warning
The warning codes are used to indicate the warning message to show the critical limits.
Warning does not stop ongoing welding but prevent new welding until the warning has been
cleared.
All the LEDs will be lit in yellow.
Error
The error codes are used to indicate that an error has occurred in the welding process.
Errors will stop the welding and need to take the corrective action in the system.
Regular maintenance is important for safe and reliable operation.
Cleaning and replacement of the welding torch’s wear parts should take place at regular
intervals to achieve trouble−free wire feed. Blow the wire guide clean regularly and clean the
contact tip.
WARNING!
Before carrying out cleaning, servicing and repair work, the following shutdown
procedure must be followed.
1. Switch off the power supply.
2. Close off the gas supply.
Make sure that the power supply and gas remain turned off all the time while
servicing the equipment.
6.2 Cable assembly
Check the torch and cable assembly for damages prior to use. Damages must be repaired
by qualified personnel before further use of the product.
6.3 Cleaning the wire feed
Disconnect the torch cable assembly from the equipment and lay it out straight.
Unscrew the nut and pull out the wire guide liner. Remove other parts from the swan neck.
Blow compressed air through the wire conduit from both ends in order to remove wire
shavings.
Insert the liner into the wire conduit and screw the nut back on.
NOTE!
New liners must be cut to the correct length.
6.4 Steel liner / Plastic liner
If a wire feeding problem cannot be solved by exchanging the contact tip and cleaning the
wire guide channel, the liner should be replaced.
Liner and welding wire should be inserted while the cable assembly is laid out straight.
1. Remove the sleeve nut from the central
connector, remove the gas nozzle, contact tip
and tip holder from the torch.
2. Insert the liner through the central connector
and lock it with the sleeve nut.
3. Gently push back the front part of the liner
into the torch as far as it will go, do not apply
force. Mark the end of the torch neck on the
liner.
4. Cut the liner to the correct length using a
projectile "X" measured from the marking as
shown in the figure. Slightly chamfer the liner
front end after the liner has been cut to the
correct length.
NOTE!
If the liner has a bronze front end, first cut the plastic liner to a suitable length
and let the bronze liner stick out approximately 40-50 mm from the torch neck.
Attach the bronze liner to the front of the plastic liner and only then cut this liner
assembly to the precise length.
If it is difficult to insert the liner into the torch, make a
clean cut at the front end of the liner and chamfer the
edges (e.g. with a pencil sharpener).
Install all equipment parts on the torch neck.
Cutting length
Welding torch Projectile "X"
Exeor MIG 4.0W² 9 mm
Exeor MIG 4.0G² 13 mm
6.5 Cleaning the swan neck
• Clean the inside of the gas nozzle regularly to remove welding spatter and spray with
ESAB® anti-spatter agent.
• Check the consumables for visible damage and replace if necessary.
6.6 Checking the cooling system
Make sure that the cooling liquid is clean, change it if required. Impurities in the cooling
liquid can obstruct the torch liquid channels. Always use suitable cooling fluid for torches
with corrosion inhibitors.
If the measures described below are not successful, consult your dealer or the
manufacturer.
Read the operating instructions for the welding components, e.g. power source and wire
feed unit.
Problem Possible cause Action
Torch
becomes too
hot
Wire feeding
problems
Porous welds
Contact tip / tip holder not
tight enough
Cooling system is not
working well
Torch overstrained
Cable assembly defective
Contact tip is worn
Liner is worn / dirty
Consumables used are not
suitable for the wire diameter
or material
Wire feeder not set-up
properly
Cable assembly is bent or
laid out in small radii
Wire is contaminated
Gas swirl caused by spatter
adherence
Too small or extremely high
gas flow in the torch
Gas supply defective
Air draft at the workplace
Moisture or contamination on
the wire or on the work piece
Check and tighten hand-tight
Check liquid flow, filling level
and cleanliness
Observe technical data, if
needed, choose a different type
Check cables, tubes, and
Exchange contact tip
Check the liner, blow through in
both directions. Exchange if
needed.
Check with spare part list
Check the wire feeding rolls, the
contact pressure and the spool
brake
Check the cable assembly and
lay it out straight
Use a cleaning felt
Clean the torch head, use gas
diffuser / spatter protection
Check flow rate with
measurement tool
Check flow rate and possible
leakage
Install shielding
Check the wire and the work
piece, use less or different antispatter liquid
Variable arc
Welding
process does
not start
Contact tip is worn
Wrong welding parameters
Control cable is broken, or
the trigger is defective
Exchange contact tip
Correct the welding parameters
Check and repair the trigger
connections, clean the trigger
switch or exchange it
8. DISASSEMBLY AND DISPOSAL
9. IN THE EVENT OF EMERGENCY
10. ORDERING PARTS
CAUTION!
Repair and electrical work should be performed by an authorized ESAB service
technician. Use only ESAB original spare and wear parts.
The Exeor torches are designed and tested in accordance with international and
European standards IEC/EN 60974-7,2019. On completion of service or repair work, it
is the responsibility of the person(s) performing the work to ensure that the product still
complies with the requirements of the above standard.
Spare parts and wear parts can be ordered through your nearest ESAB dealer, see
esab.com. When ordering, please state product type, serial number, designation, and spare
part number in accordance with the spare parts list. This facilitates dispatch and ensures
correct delivery.