Valid for serial no. 918--xxx--xxxx0456 857 201 011127
MEK 44C
101103105107109111102021110025108024042106023061104022041100020040060001
Bruksanvisning
Brugsanvisning
Bruksanvisning
Käyttöohjeet
Instruction manual
Betriebsanweisung
Manuel d’instructions
Gebruiksaanwijzing
Instrucciones de uso
Istruzioni per l’uso
Manual de instruções
Ïäçãßåò ÷ñÞóåùò
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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.
Äéáôçñåßôáé ôï äéêáßùìá ôñïðïðïßçóçò ðñïäéáãñáöþí ×ùñßò ðñïåéäïðïßçóç.
SVENSKA 3..............................................
DANSK 9................................................
NORSK 15................................................
SUOMI 21................................................
ENGLISH 27..............................................
DEUTSCH 33.............................................
FRANÇAIS 40.............................................
NEDERLANDS 47.........................................
ESPAÑOL 54..............................................
ITALIANO 61..............................................
PORTUGUÊS 68..........................................
ÅËËÇÍÉÊÁ 75.............................................
ENGLISH
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TOCe
1 DIRECTIVE 28........................................................
2SAFETY 28...........................................................
3 INTRODUCTION 29...................................................
4 TECHNICAL DATA 29.................................................
5 INSTALLATION 29....................................................
5.1 Termination resistance 29.....................................................
6 OPERATION 30.......................................................
6.1 Connection 31...............................................................
7 MAINTENANCE 31....................................................
7.1 Inspection and cleaning 31....................................................
8 ORDERING SPARE PARTS 32..........................................
9 ACCESSOIRES 32....................................................
DIAGRAM 82............................................................
SPARE PARTS LIST 83...................................................
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bm20d12e
1 DIRECTIVE
DECLARATION OF CONFORMITY
Esab Welding Equipment AB, S--695 81 Laxå, Sweden, gives its unreserved guarantee that
Wire feed unit MEK 44C from serial number 645 complies with standard EN 60974-- 1, in
accordance with the requirements of directive 73/23/ EEA and addendum 93/68/ EEA and
standard EN 50199 in accordance with the requirements of directive 89/336/ EEA and ad-
dendum 93/68/ EEA.
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Paul Karlsson
Managing Director
Esab Welding Equipment AB
695 81 LAXÅ
SWEDEN Tel: + 46 584 81000 F a x: + 46 584 12336
Laxå 97--01--15
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 c orrect 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!
GB
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bm20d12e
3 INTRODUCTION
A10--MEK 44C is a four--wheel drive wire feed unit with double motors intended for
MIG/MAG welding where the wire is projected in accordance with Esab’s A10
system.
The unit has space for a wire reel with a diameter of up to 440 mm.
For a wire feed unit to be complete it must be equipped either with a turnable,
counterbalance device or a carriage. A turnable or counterbalance device a llow the
wire feed unit to be mounted on a pivot on the power source. A carriage allows the
wire feed unit to be moved easily over the floor or work table.
A wire feed unit and turnable or carriage can also be fitted with a support device and
suspended over the work place.
All the settings are controlled by the PUA1 setting box.
4 TECHNICAL DATA
Voltage 42 V 50--60 Hz
Power consumption 430 VA
Wire feed speed 1,5--25 m/min
Torch connection EURO
Weight 22 kg
Dimensions lxwxh 493x336x268 mm
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 delivery).
GB
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bm20d12e
2. Controller connected to power so u rce.
The termination resistance
must be connected to the front
of the wire feed unit.
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).
GB
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bm20d12e
6.1 Connection
1 Connector, remote control /Intermediate wire
feed unit (23--way)
6 Nipple, gas connection
2 Connector setting control 7 Nipple, cooling water in Blue
3 Adapter, welding torch 8 Nipple, cooling water out Red
4 Connector, return cable (OKC) 9 Setting control
5 Connector, control cable from welding power
source (12--way)
1
4
5
6
78
7,8
9
2
3
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.
Note that an excessive pressure setting can result in abnormal wear on the pres-
sure roller, feed roller and wire liner.
S Torch
Regularly blow the wire liner and clean the gas shroud.
GB
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bm20d12e
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 r ed handle to the locked position.
S Insert a screwdriver into the springs in the hub.
Tu rn 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 SPARE PARTS
MEK 44C is designed and tested in accordance with the international an European
standards IEC/EN 60974--1 and EN 50199.
It is the obligation of the service unit which has carried out the service or repair work
to make sure that the product still conforms to the said standard.
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.
9 ACCESSOIRES
See Spare part list.
Turntable
At the base of the turntable is a tube which can be fitted over a vertical pivot. T he
turntable is delivered with an insulated pivot which can be fitted in a hole on top of
the power source, allowing the wire feed unit to be swung around as far as the gas
bottle.
Suspension device
The suspension device is intended to allow the wire feed unit to be hung
above the work place.
WARNING -- TIPPING RISK!
Fasten the equipment -- particularly if the ground is uneven or sloping.
GB
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