ESAB MEI 21 User manual

Brand: ESAB

Model: MEI 21

Category: Welding System

Type: User manual

ESAB MEI 21 is a wire feed unit designed for use with welding machines. It enables precise and efficient feeding of welding wire, enhancing the overall welding process. With its user-friendly interface and reliable performance, the MEI 21 offers several key features and potential use cases:

Precise Wire Feeding: The MEI 21 provides accurate and consistent wire feeding, ensuring optimal weld quality and reducing the risk of wire jamming or birdnesting.
Variable Speed Control: It allows for precise adjustment of the wire feed speed to match different welding conditions and materials, resulting in better control over the weld pool and minimizing spatter.

Precise Wire Feeding: The MEI 21 provides accurate and consistent wire feeding, ensuring optimal weld quality and reducing the risk of wire jamming or birdnesting.
Variable Speed Control: It allows for precise adjustment of the wire feed speed to match different welding conditions and materials, resulting in better control over the weld pool and minimizing spatter.

Valid for serial no. 535--xxx--xxxx0444 392 001 2005--09--26

MEI 21

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 5..............................................

DANSK 11................................................

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

SUOMI 23................................................

ENGLISH 29..............................................

DEUTSCH 35.............................................

FRANÇAIS 41.............................................

NEDERLANDS 47.........................................

ESPAÑOL 53..............................................

ITALIANO 59..............................................

PORTUGUÊS 65..........................................

ÅËËÇÍÉÊÁ 71.............................................

FÖRSÄKRAN OM ÖVERENSSTÄMMELSE

Esab Welding Equipment AB, 695 81 Laxå, Sweden, försäkrar under eget ansvar att

elektrodmatarenhet MEI 21 från serienummer 626 är i överensstämmelse med vill-

koren i direktiv 89/392/EEG, med tillägg 93/68/EEG och standard EN 50199 enligt

villkoren i direktiv 89/336/ EEG me d tillägg 93/68/ EEG.

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OVERENSSTEMMELSEERKLAERING

Esab Welding Equipment AB, 695 81 Laxå, Sweden garanterer under eget ansvar,

at elektrodefremføringsenhed MEI 21 fra serienummer 626 er i overensstemmelse

med betingelserne i direktiv 89/392/EEC, med tillægg 93/68/EEC og standard EN

50199 ifølge betingelsern e i direktiv 89/336/ EEC med tillægg 93/68/ EEC.

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FORSIKRING OM OVERENSSTEMMELSE

Esab Welding Equipment AB, 695 81 Laxå, Sweden, forsikrer på eget ansvar at

elektrodematerenhet MEI 21 fra serienummer 626 er i overensstemmelse med be-

stemmelsene i dir ektiv 89/392/EØF, med tillegg 93/68/EØF og standard EN 50199 i

overensstemmelse med bestemmelsene i direktiv 89/336/ EØF m ed tillegg 93/68/

EØF.

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VAATIMUSTENMUKAISUUSVAKUUTUS

Esab Welding Equipment AB, 695 81 Laxå, Sweden, vakuuttaa omalla vastuullaan,

että langansyöttöyksikkö MEI 21 sarjanumerosta 626 vaatimukset direktiivin

89/392/EEC, ja sen lisäyksen 93/68/EEC mukaisesti, standardin EN 50199 vaati-

mukset dir ektiivin 89/336/ EEC ja sen lisäyksen 93/68/ EEC.

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DECLARATION OF CONFORMITY

Esab Welding Equipment AB, of 695 81 Laxå, Sweden, gives its unreserved guaran-

tee that Wire feed unit MEI 21 from serial number 626 is in accordance with the re-

quirements of directive 89/392/EEC, and addendum 93/68/EEC and standard EN

50199 in accordance with the requirements of directive 89/336/ EEA and addendum

93/68/ EEA .

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KONFORMITÄTSERKLÄRUNG

Esab Welding Equipment AB, 695 81 Laxå, Sweden, versichert hiermit auf eigene

Verantwortung, daß die Drahtelektrodenvorschubgerät MEI 21 ab Serien--Nr. 626

gemäß den Bedingungen der Richtlinien 89/392/EWG, mit der Ergänzung

93/68/EWG in Übereinstimmung steht, norm EN 50199 gemäß den Bedingungen

der Richtlinien 89/336/ EWG mit der Ergänzung 93/68/EWG.

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CERTIFICAT DE CONFORMITÉ

Esab Welding Equipment AB, 695 81 Laxå, Sweden, certifie sous sa propre respon-

sabilité que la dévidoir MEI 21 à partir du numéro de serié 626 conformément aux

directives 89/392/EEC, avec annexe 93/68/EEC, normes de qualité EN 50199

conformément aux directives 89/336/ EEC avec annexe 93/68/ EEC.

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OVEREENSKOMSTIGHEIDSVERKLARING

Esab Welding Equipment AB, 695 81 Laxå Sweden, verklaart op eigen verantwoor-

delijkheid dat draadaanvoereenheid MEI 21 van serienummer 626 volgens richtlijn

89/392/EEG, met toevoeging 93/68/EEG, norm EN 50199 volgens richtlijn 89/336/

EEG van de Raad met toevoeging 93/68/ EEG.

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DECLARACIÓN DE CONFORMIDAD

Esab Welding Equipment AB, 695 81 Laxå, Sweden, declara, asumiendo toda re-

sponsabilidad, que unidad alimentadora de electrodo MEI 2 1 desde el número de

serie 626 según los requisitos de la directiva 89/392/EEC, con el suplemento

93/68/EEC, normativa 50199 según los r equisitos de la directiva 89/336/ EEC con el

suplemento 93/68/ EEC.

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DICHIARAZIONE DI CONFORMITA

Esab Welding Equipment AB, 695 81 Laxå, Sweden, dichiara sotto la propria re-

sponsabilità che il alimentator e di filo MEI 21 dal numero di serie 626 ai sensi dei re-

quisiti previsti dalla direttiva 89/392/CEE, e successive integrazioni nella direttiva

93/68/CEE, norma EN 50199 ai sensi dei requisiti previsti dalla direttiva 89/336/ CEE

e successive integrazioni nella direttiva 93/68/ CEE .

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DECLARAÇÃO DE CONFORMIDADE

Esab Welding Equipment AB, 695 81 Laxå, Sweden, certifica, sob a sua própria re-

sponsabilidade que, a unidade de alimentação de fio MEI 21 desde númer o de série

626 está fabricada em conformidade com os requisitos constantes na directiva

89/392/EEC, e com o suplemento 93/68/EEC, norma EN 50199 segundo os requisi -

tos constantes na directiva 89/336/ EEC e com o suplemento 93/68/ EEC.

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ÂÅÂÁÉÙÓÇ ÓØÌÖÙÍÉÁÓ

Ç Åsab Welding Equipment ÁÂ, 695 81 Laxå Sweden, âåâáéþíåé ìå äéêÞ ôç ò åõèýíç

oôé ç ðçãÞ ôñïöïäïôéêü MEI 21 áðü ôïí áñéèìü óåéñÜò 626 óýìöùíá ìå ôïõ

üñïõò ôçò ïäçãßáò 89/392/ÅÅC, êáé ôçí ðñïóèÞêç 93/68/ ÅÅC. âñßóêåôáé óå

óõìöùíßá ìå ôï ïôáíôáñô EN 50199 óýìöùíá ìå ôïõ üñïõò ôçò ïäçãßáò

89/336/EEC êáé ôçí ðñïóèÞêç 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--02--06

ENGLISH

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TOCe

1SAFETY 30...........................................................

2 INTRODUCTION 32...................................................

2.1 General 32..................................................................

2.2 Technical data 32............................................................

3 INSTALLATION 33....................................................

3.1 General 33..................................................................

3.2 Connecting the wire conduit 33.................................................

3.3 Replacement/Insertion of filler wire 33..........................................

4 MAINTENANCE 34....................................................

4.1 General 34..................................................................

4.2 Inspection and cleaning 34....................................................

5 ORDERING OF SPARE PARTS 34......................................

DIAGRAM 77............................................................

LIST OF COMPONENTS 77...............................................

SPARE PARTS LIST 79...................................................

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fua3SafE

1SAFETY

Users of ESAB welding 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 welding equipment. The following recommen-

dations 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 welding

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 welding equipment must be familiar with:

S its operation

S location of emergency stops

S its function

S relevant safety precautions

S welding

2. The operator must ensure that:

S no unauthorised person is stationed within the working area of the equipment when it is

started up.

S no--one is unprotected when the arc is struck

3. The workplace must:

S be suitable for the purpose

S be free from draughts

4. Personal safety equipment

S Always wear recommended personal safety equipment, such as safety glasses, flame--proof

clothing, safety gloves.

S Do not wear loose--fitting items, such as scarves, bracelets, rings, etc., which could become

trapped or cause burns.

5. General precautions

S Make sure the return cable is connected securely.

S Work on high voltage equipment may only be carried out by a qualified electrician.

S Appropriate fire extinquishing equipment must be clearly marked and close at hand.

S Lubrication and maintenance must not be carried out on the equipment during operation.

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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 s afe.

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!

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.

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fua3d1ea

2 INTRODUCTION

2.1 General

The MEI 21 is a wire feed unit for mechanized TIG welding.

It is designed for use with the LTS 160/250/320 or LTP 450 welding power source

and the PRB or PRC welding tool.

The unit consists of the following components:

1. Tube frame

2. Feed unit

3. Drive motor

4. Reel holder

5. Cable

6. Wire conduit

The MEI 21 is designed for wire diameters Ø 0.6 to Ø 0.8 mm.

The reel holder (4 ) will accept reels with an outer diameter of 200 mm and a width of

60 mm. The cover, which is removed to check or change the wire, is held by snap

fasteners.

A DC motor ( 3) with gear wheel drives the two feed rollers through a cog.

The DC motor is provided with a pulse transducer with feedback coupling to the

welding power source.

Two p ressure rollers, which provide the necessary friction between the wire and the

feed roller, are mounted in a spring mechanism that allows the pressure to be

adjusted.

Motor cable (5) is provided for connecting the MEI 21 to the welding power source.

MEI 21 is controlled over the LTS 160/250/320 or LTP 450 welding power source.

2.2 Technical data

MEI 21

Length of wire conduit 4.2 m

Wire feed speed 0.1 -- 2.6 m/min

Dimensions L x W x H 490x 380 x 430mm

Weight with 5kg reel 15 kg

Weight without reel 10 kg

Continuous A-- weighted noise pressure 58 dB

Motor

Rated voltage

48 V DC

Wire reel

Outer diameter

Reel width

Width of hub

Hub hole diameter

200 mm

60 mm

51.5 mm

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3 INSTALLATION

3.1 General

The installation must be execu ted by a professional.

WARNING

Rotating parts can cause injury, take great care.

Connect the wire feed unit cable to the welding power source.

3.2 Connecting the wire conduit

S Unscrew the bolt on the output side of the wire feed unit.

S Connect the wire conduit and tighten the bolt.

S Check that the wire conduit is in the right position between the feed rollers and

that it bottoms.

3.3 Replacement/Insertion of filler wire

S Release the feed roller pressure spring.

S Remove the cover of the bobbin.

S Rewind any existing wire out of the wire feed unit and remove the wire r eel.

S Straighten out the new filler wire 10--20 cm. File off any sharp edges of the filler

wire before inserting it into the wire feed unit. Make sure the wire comes right in

the grooves of the feed rollers and the outlet nozzle/wire conduit.

S Retension the spring.

S Press the reel cover in place.

S Advance the filler wire till it sticks out some ten centimetres through the quick--

coupling.

S Insert the filler wire m anually into the tool part of the quick--coupling. Interlock the

two parts of the coupling.

S Loosen the joint nipple from the hose support on the tool and place the tool so

that the wire conduit is straight.

S Start the wire feed again and feed the filler wire out through the nozzle.

S Trim the end of the filler wire.

S Fit the joint nipple on the hose support.

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fua3m1ea

4 MAINTENANCE

4.1 General

Note:

All warranty undertakings given by the supplier cease to apply if the customer

attempts to rectify any faults on the machine during the warranty period.

4.2 Inspection and cleaning

Regular maintenance is important for reliable and safe operation.

S Cleaning and replacement of the wear parts of the wire feed mechanism should

take place periodically to ensure trouble--free wire feed.

S Note that an excessive pressure setting can r esult in abnormal wear on the pres-

sure roller, feed roller and wire liner

5 ORDERING OF SPARE PARTS

Spare parts are order ed 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 on page 79.

This will simplify d ispatch and ensure you get the right part.

ESAB AB

SE--695 81 L AXÅ

SWEDEN

Phone +46 584 81 000

www.esab.co m

041227

ESAB subsidiaries and representative offices

Europe

AUSTRIA

ESAB Ges.m.b.H

Vienna--Liesing

Tel: +43 1 888 25 11

Fax: +43 1 888 25 11 85

BELGIUM

S.A. ESAB N.V.

Brussels

Tel: +32 2 745 11 00

Fax: +32 2 745 11 28

THE CZECH REPUBLIC

ESAB V AMBERK s.r .o.

Prague

Tel: +420 2 819 40 885

Fax: +420 2 819 40 120

DENMARK

Aktieselskabet ESAB

Copenhagen-- Valby

Tel:+4536300111

Fax:+4536304003

FINLAND

ESAB Oy

Helsinki

Tel: +358 9 547 761

Fax: +358 9 547 77 71

FRANCE

ESAB France S.A.

Cergy Pontoise

Tel:+33130755500

Fax:+33130755524

GERMANY

ESAB GmbH

Solingen

Tel: +49 212 298 0

Fax: +49 212 298 218

GREAT BRITAIN

ESAB Group (UK) Ltd

Waltham Cross

Tel: +44 1992 76 85 15

Fax: +44 1992 71 58 03

ESAB Automation Ltd

Andover

Tel: +44 1264 33 22 33

Fax: +44 1264 33 20 74

HUNGARY

ESAB Kft

Budapest

Tel:+3612044182

Fax:+3612044186

ITALY

ESAB Saldatura S.p.A.

Mesero (Mi)

Tel:+3902979681

Fax:+390297289181

THE NETHERLANDS

ESAB Nederland B.V.

Utrecht

Tel: +31 30 2485 377

Fax: +31 30 2485 260

NORWAY

AS ESAB

Larvik

Tel:+4733121000

Fax:+4733115203

POLAND

ESAB Sp.zo.o.

Katowice

Tel: +48 32 351 11 00

Fax: +48 32 351 11 20

PORTUGAL

ESAB Lda

Lisbon

Tel: +351 8 310 960

Fax: +351 1 859 1277

SLOVAKIA

ESAB Slovakia s.r.o.

Bratislava

Tel:+421744882426

Fax:+421744888741

SPAIN

ESAB Ibérica S.A.

Alcalá de Henares (MADRID)

Tel: +34 91 878 3600

Fax: +34 91 802 3461

SWEDEN

ESAB Sverige AB

Gothenburg

Tel:+4631509500

Fax:+4631509222

ESAB International AB

Gothenburg

Tel:+4631509000

Fax:+4631509360

SWITZERLAND

ESAB AG

Dietikon

Tel: +41 1 741 25 25

Fax: +41 1 740 30 55

North and South America

ARGENTINA

CONARCO

Buenos Aires

Tel: +54 11 4 753 4039

Fax: +54 11 4 753 6313

BRAZIL

ESAB S.A.

Contagem--MG

Tel: +55 31 2191 4333

Fax: +55 31 2191 4440

CANADA

ESAB Group Canada Inc.

Missisauga, Ontario

Tel: +1 905 670 02 20

Fax: +1 905 670 48 79

MEXICO

ESAB Mexico S.A.

Monterrey

Tel: +52 8 350 5959

Fax: +52 8 350 7554

USA

ESAB Welding & Cutting Products

Florence, SC

Tel: +1 843 669 44 11

Fax: +1 843 664 57 48

Asia/Pacific

CHINA

Shanghai ESAB A/P

Shanghai

Tel: +86 21 5308 9922

Fax: +86 21 6566 6622

INDIA

ESAB India Ltd

Calcutta

Tel: +91 33 478 45 17

Fax: +91 33 468 18 80

INDONESIA

P.T. ESABindo Pratama

Jakarta

Tel: +62 21 460 0188

Fax: +62 21 461 2929

JAPAN

ESAB Japan

Tokyo

Tel: +81 3 5296 7371

Fax: +81 3 5296 8080

MALAYSIA

ESAB (Malaysia) Snd Bhd

Shah Alam Selangor

Tel: +60 3 5511 3615

Fax: +60 3 5512 3552

SINGAPORE

ESAB Asia/Pacific Pte Ltd

Singapore

Tel: +65 6861 43 22

Fax: +65 6861 31 95

SOUTH KOREA

ESAB SeAH Corporation

Kyungnam

Tel: +82 55 269 8170

Fax: +82 55 289 8864

UNITED ARAB EMIRATES

ESAB Middle East FZE

Dubai

Tel: +971 4 887 21 11

Fax: +971 4 887 22 63

Representative offices

BULGARIA

ESAB Representative Office

Sofia

Tel/Fax: +359 2 974 42 88

EGYPT

ESAB Egypt

Dokki--Cairo

Tel: +20 2 390 96 69

Fax: +20 2 393 32 13

ROMANIA

ESAB Representative Office

Bucharest

Tel/Fax: +40 1 322 36 74

RUSSIA--CIS

ESAB Representative Office

Moscow

Tel:+70959379820

Fax: +7 095 937 95 80

ESAB Representative Office

St Petersburg

Tel:+78123254362

Fax: +7 812 325 66 85

Distributors

For addresses and phone

numbers to our distributors in

other countries, please visit our

home page

www.esab.co m

ESAB MEI 21 User manual

Brand: ESAB

Model: MEI 21

Category: Welding System

Type: User manual

Precise Wire Feeding: The MEI 21 provides accurate and consistent wire feeding, ensuring optimal weld quality and reducing the risk of wire jamming or birdnesting.
Variable Speed Control: It allows for precise adjustment of the wire feed speed to match different welding conditions and materials, resulting in better control over the weld pool and minimizing spatter.

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