ESAB MEK 25 User manual

Valid for serial no. 438--xxx--xxxx0455 337 001 021113

MEK 25

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 10................................................

NORSK 17................................................

SUOMI 24................................................

ENGLISH 31..............................................

DEUTSCH 38.............................................

FRANÇAIS 45.............................................

NEDERLANDS 52.........................................

ESPAÑOL 59..............................................

ITALIANO 66..............................................

PORTUGUÊS 73..........................................

ÅËËÇÍÉÊÁ 80.............................................

ENGLISH

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TOCe

1 DIRECTIVE 32........................................................

2SAFETY 32...........................................................

3 INTRODUCTION 33...................................................

3.1 TECHNICAL DATA 33........................................................

3.2 TECHNICAL DESCRIPTION 34................................................

4 INSTALLATION 35....................................................

5 OPERATION 36.......................................................

6 ACCESSORIES 37....................................................

7 ORDERING OF SPARE PARTS 37......................................

DIAGRAM 88............................................................

SPARE PARTS LIST 89...................................................

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bm16d12e

1 DIRECTIVE

DECLARATION OF CONFORMITY

Esab Welding Equipment AB, S--695 81 Laxå, Sweden, declares that Wire feed unit

MEK 25 from serial number 438 onwards, conforms to standard EN 60974--1, in ac-

cordance 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).

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --------

Paul Karlsson

Managing Director

Esab Welding Equipment AB

695 81 LAXÅ

SWEDEN Tel: + 46 584 81176 Fax: + 46 584 12336

Laxå 95--04--20

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

SInstall and earth the welding unit in accordance with applicable standards.

SDo not touch live electrical parts or electrodes with bare skin, wet gloves or wet clothing.

SInsulate yourself from earth and the workpiece.

SEnsure your working stance is safe.

FUMES AND GASES -- Can be dangerous to health

SKeep your head out of the fumes.

SUse 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.

SProtect your eyes and body. Use the correct welding screen and filter lens and wear protective

clothing.

SProtect bystanders with suitable screens or curtains.

FIRE HAZARD

SSparks (spatter) can cause fire. Make sure therefore that there are no inflammable materials nearby.

NOISE -- Excessive noise can damage hearing

SProtect your ears. Use earmuffs or other hearing protection.

SWarn bystanders of the risk.

MALFUNCTION -- Call for expert assistance in the event of malfunction.

PROTECT YOURSELF AND OTHERS!

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bm16d12e

3 INTRODUCTION

A10-- MEK 25 is an intermediate wire feed unit for MIG/MAG--welding where the

electrode is fed forward according to ESAB:’s A10--system

By connecting an extension cable between the intermediate wire feed unit and the

wire feed unit on the power source the working radius can be increased by up to

25 m.

On MEK 25 the wire feed speed and the voltage can be controlled using

potentiometers or a remote control unit can be connected.

The drive motor is of a permanent--magnetic design and is integrated with a worm

gear. The motor is fed with 24 V DC voltage.

MEK 25 is equipped with a heavy--duty crash bar and runners to facilitate transport.

The extensive range combined with the performance of the power source provides

you with a flexible total solution.

3.1 TECHNICAL DATA

Control voltage 42V AC

Voltage 0--24V DC

Wire feed speed 1--18m/min

Feed roller hollow wire 1,0--1,2 R / 1,4--1,6 R

Feed roller solid wire 1,0--1,2

Enclosure class IP 23

Weight 7,5 kg

Continuous A--weighted noise level 58 dB

Enclosure class

The IP code indicates the enclosure class, i. e. the degree of protection against penetration by solid

objects or water. Equipment marked IP 23 is designed for indoor and outdoor use.

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bm16d12e

3.2 TECHNICAL DESCRIPTION

S(1) Potentiometer for stepless control of the welding voltage.

S(2) Potentiometer for stepless control of the wire feed speed. Setting range

1--18m/min.

S(3) Remote switch for controlling the wire feed speed and voltage from a remote

control unit.

S(4) Socket for connecting the remote control unit, 23--pole.

S(5) Connector for the welding gun with common connector for welding current,

control voltage, shielding gas and wire.

S(6) Connector for extension set with common connector for welding current,

shielding gas and wire.

S(7) 14--pole pin socket for connecting the extension set.

bm16d000

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bm16d12e

4 INSTALLATION

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.

Connecting the extension cable and the welding gun

SThe extension cable is connected to connector (6). Connect the 14--pole sleeve

plug on the extension cable’s control cable to the pin socket (7) and tighten the

nut.

SConnect the other end of the extension cable to the corresponding socket on the

power source’s wire feed unit.

SThe welding gun is connected to connector (5).

Feed roller

SMake sure the right feed roller and groove is used for the selected wire size.

Each feed roller has grooves for two wire sizes. The feed roller should have the

correct marking for respective wires facing outwards, towards you.

SThe feed roller can be turned or replaced using another suitable roller (see the

spare parts list), by removing the screw that holds the feed rollers.

Feeding the wire forward

SConnect the power source to the mains supply.

SSet the wire feed speed between 1--18m/min using the potentiometer (2) on the

intermediate wire feed unit.

SStraighten out the extension cable and the welding gun cable.

SSwing out the control levers on the feed mechanism so that the feed rollers are

released. Feed the wire forward to the intermediate wire feed unit by holding the

welding gun trigger pressed in.

SGuide the wire through the nozzles over the pressure rollers and into the welding

gun’s wire--liner, swing back the pressure levers to their original positions.

SHold the welding gun trigger pressed in until the wire is fed out through the con-

tact tip on the gun.

SBy setting the correct spring tension on the rollers a slip--free wire feed is ob-

tained. If the rollers slip or in any other way do not function correctly perhaps the

pre--tension needs to be adjusted. This is carried out using the adjuster screws

on respective pressure arms. The pre--tension can be checked by using the

graduated scale on respective adjuster screws.

WARNING!

Rotating parts can cause injury, take great care.

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bm16d12e

5 OPERATION

SConnect the return cable from the power source to the work piece.

SSet a suitable wire feed speed and voltage by using the potentiometers

(1) and (2).

SYou can now start to weld..

bm16d000

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bm16d12e

6 ACCESSORIES

Remote control PAE 2

Programming unit for remote control of the voltage and wire speed. Connect the

Remote control to sleeve socket (4).

Note while controlling via the remote unit set the remote switch (3) to the lower

position.

Order number:

Remote control unit PAE 2 with Burndy socket,--23--pol. 466 515--880

Hose bundle 12,5m Max 403 A 60% 469 961--880

Hose bundle 19,0m Max 403 A 60% 469 961--881

Hose bundle 25,0m Max 403 A 60% 469 961--882

Hose bundle for water cooling gun 12,5m/W Max 403 A 60% 469 961--883

Hose bundle for water cooling gun 19,0m/W Max 403 A 60% 469 961--884

Hose bundle for water cooling gun 25,0m/W Max 403 A 60% 469 961--885

Assembly Kits

Gas flow meter 469 427--880

7 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.

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