ESAB MEK 20C is a portable wire feed unit with four-roller drive, designed for MIG/MAG welding, compatible with Esab’s A10 wire feed system. It accommodates a 200 mm diameter wire reel, has adjustable wire feed speed (2-25 m/min) and voltage, and connects to the EURO torch. Its safety features include protection against electric shock, fumes, and arc rays. Accessories are available for enhanced functionality.
ESAB MEK 20C is a portable wire feed unit with four-roller drive, designed for MIG/MAG welding, compatible with Esab’s A10 wire feed system. It accommodates a 200 mm diameter wire reel, has adjustable wire feed speed (2-25 m/min) and voltage, and connects to the EURO torch. Its safety features include protection against electric shock, fumes, and arc rays. Accessories are available for enhanced functionality.
Valid for serial no. 918--xxx--xxxx0457 030 101 011127
MEK 20C
Bruksanvisning
Brugsanvisning
Bruksanvisning
Käyttöohjeet
Instruction manual
Betriebsanweisung
Manuel d’instructions
Gebruiksaanwijzing
Instrucciones de uso
Istruzioni per l’uso
Manual de instruções
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Rätt till ändring av specifikationer utan avisering förbehålles.
Ret til ændring af specifikationer uden varsel forbeholdes.
Rett til å endre spesifikasjoner uten varsel forbeholdes.
Oikeudet muutoksiin pidätetään.
Rights reserved to alter specifications without notice.
Änderungen vorbehalten.
Sous réserve de modifications sans avis préalable.
Recht op wijzigingen zonder voorafgaande mededeling voorbehouden.
Reservado el derecho de cambiar las especificaciones sin previo aviso.
Ci riserviamo il diritto di variare le specifiche senza preavviso.
Reservamo--nos o direito de alterar as especificações sem aviso prévio.
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SVENSKA 3..............................................
DANSK 9................................................
NORSK 15................................................
SUOMI 21................................................
ENGLISH 27..............................................
DEUTSCH 33.............................................
FRANÇAIS 39.............................................
NEDERLANDS 45.........................................
ESPAÑOL 51..............................................
ITALIANO 57..............................................
PORTUGUÊS 63..........................................
ÅËËÇÍÉÊÁ 69.............................................
ENGLISH
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TOCe
1 DIRECTIVE 28........................................................
2SAFETY 28...........................................................
3 INTRODUCTION 28...................................................
4 TECHNICAL SPECIFICATION 29.......................................
5 INSTALLATION 29....................................................
5.1 Termination resistance 29.....................................................
6 OPERATION 30.......................................................
6.1 Connection 31...............................................................
7 MAINTENANCE 32....................................................
7.1 Inspection and cleaning 32....................................................
8 ORDERING OF SPARE PARTS 32......................................
DIAGRAM 75............................................................
SPARE PARTS LIST 77...................................................
ACCESSORIES 86.......................................................
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1 DIRECTIVE
DECLARATION OF CONFORMITY
ESAB Welding Equipment AB, S--695 81 Laxå, Sweden, declares that Wire feed unit MEK 20C from
serial number 710 onwards, conforms to standard EN 60974--5, in accordance with the requirements
of directive (73/23/EEC) and appendix (93/68/EEC) and standard EN 50199 in accordance with the
requirements of directive (89/336/EEC) and appendix (93/68/EEC).
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Paul Karlsson
Managing Director
ESAB Welding Equipment AB
695 81 LAXÅ
SWEDEN Tel: + 46 584 81000 Fax: + 46 584 12336
Laxå 97--11-- 10
2SAFETY
WARNING
READ AND UNDERSTAND THE INSTRUCTION MANUAL BEFORE INSTALLING OR OPERATING.
ARC WELDING AND CUTTING CAN BE INJURIOUS TO YOURSELF AND OTHERS. TAKE PRECAU-
TIONS WHEN WELDING. ASK FOR YOUR EMPLOYER’S SAFETY PRACTICES WHICH SHOULD BE
BASED ON MANUFACTURERS’ HAZARD DATA.
ELECTRIC SHOCK -- Can kill
S Install and earth the welding unit in accordance with applicable standards.
S Do not touch live electrical parts or electrodes with bare skin, wet gloves or wet clothing.
S Insulate yourself from earth and the workpiece.
S Ensure your working stance is safe.
FUMES AND GASES -- Can be dangerous to health
S Keep your head out of the fumes.
S 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.
S Protect your eyes and body. Use the correct welding screen and filter lens and wear protective
clothing.
S Protect bystanders with suitable screens or curtains.
FIRE HAZARD
S Sparks (spatter) can cause fire. Make sure therefore that there are no inflammable materials nearby.
NOISE -- Excessive noise can damage hearing
S Protect your ears. Use earmuffs or other hearing protection.
S Warn bystanders of the risk.
MALFUNCTION -- Call for expert assistance in the event of malfunction.
PROTECT YOURSELF AND OTHERS!
3 INTRODUCTION
MEK 20C is a portable wire feed unit with four--roller drive, designed for MIG/MAG
welding in conjunction with Esab’s A10 wire feed system. The wir e feed unit can
accommodate a 200 mm diameter wire reel.
The wire feed unit is m ounted on an insulated protective frame equipped with
runners.
The wire feed unit is controlled from the PUA1 controller, see additional information
under Operation.
GB
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Details of ESAB’s accessories for the wire feed units can be found on page
86.
4 TECHNICAL SPECIFICATION
Dimensions lxwxh 500x195x300
Weight 14 kg
Wire feed speed 2-- 25 m/min
Voltage 42V 50--60Hz
Power consumption 300 VA
Torch connection EURO
5 INSTALLATION
The in stallatio n must be executed by a professional.
WARNING!
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.
5.1 Termination resistance
The termination resistance must be connected to the ends of the CAN bus to prevent
communication problems. The controller has a built--in terminator, but the power
source and wire feed unit do not.
The terminator should be fitted as follows depending on how the units are
connected:
1. Controller connected to wire feed unit.
The termination resistance must be con-
nected to the rear of the power source.
(Already connected this way on deliv-
ery).
2. Controller connected to power so u rce.
The termination resistance
must be connected to the front
of the wire feed unit.
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6 OPERATION
General safety regulations for the handling of the equipment can be found on
page 28. Read through before you start using the equipment!
WARNING!
Rotating parts can cause injury, take great care.
To prevent the reel sliding off the hub: Lock the reel in place by turning
the red knob as shown on the warning label attached next to the hub.
WARNING!
Setting the wire feed pressure
Start by making sure that the wire moves smoothly through the wire guide. Then
set the pressure of the wire feeder’s pressure rollers. It is important that the
pressure is not too great.
Fig 1 Fig 2
To check that the feed pressure is set correctly, you can feed out the wire against
an insolated object, e.g. a piece of wood.
When you hold the pistol approx. 5 mm from the piece of wood (fig. 1) the feed
rollers should slip.
If you hold the pistol approx. 50 mm from the piece of wood, the wire should be
fed out and bend (fig. 2).
The wire feed speed and voltage
The wire feed speed and voltage can be adjusted using the PUA1 controller in set and
measure m odes. If you want to use the potentiometers on the front of the wire feed unit
then the toggle switch inside the wire feed unit must be in the upper position and the
PUA1 controller should be set for remote operation.
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Remote control
To use a remote control, the toggle switch inside the wire feed unit must be switched
to remote, and the PUA1 controller must also be set to remote, as above. If you want
to change the wire feed and voltage parameters using the controller, you m ust switch
from “remote“ to measure mode or set mode.
6.1 Connection
1 Nipple, cooling water (only certain models) 6 Connector, remote control
2 Nipple, cooling water (only certain models) 7 Adapter, welding torch
3 Nipple, gas connection 8 Potentiometer , wire feed speed
4 Connector, control cable 9 Potentiometer , welding voltage
5 Adapter, welding current 10 Connector setting control PUA1
3
4
1
5
6
7
8
9
10
2
1
2
GB
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7 MAINTENANCE
Note:
All warranty undertakings given b y the supplier cease to apply if the customer
attempts to rectify any faults on the machine during the warranty period.
7.1 Inspection and cleaning
Regularly maintenance is important for reliable and safe operations.
S Cleaning and replacement of the wire feed mechanism’s wear parts should take
place periodically to ensure trouble free wire feed.
S Note that an excessive pressure setting can result in abnormal wear on the
pressure roller, feed roller and wire liner
The brake hub
The hub is adjusted when delivered, if
readjustment is required, follow the instructions
below. Adjust the brake hub so that wire is slightly
slack when wire feed stops.
S Adjusting the braking torque:
S Turn the red handle to the locked position.
S Insert a screwdriver into the springs in the hub.
Turn the springs clockwise to reduce the braking torque
Turn the springs anticlockwise to increase the braking torque. NB: Turn both
springs through the same amount.
8 ORDERING OF SPARE PARTS
Spare parts are ordered through your nearest ESAB representative, see back cover.
When ordering spare parts, please state machine type and number as well as desig-
nation and spare part number as shown in the spare parts list.
This will simplify dispatch and ensure you get the right part.
GB
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ESAB MEK 20C is a portable wire feed unit with four-roller drive, designed for MIG/MAG welding, compatible with Esab’s A10 wire feed system. It accommodates a 200 mm diameter wire reel, has adjustable wire feed speed (2-25 m/min) and voltage, and connects to the EURO torch. Its safety features include protection against electric shock, fumes, and arc rays. Accessories are available for enhanced functionality.
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