MEK 20C. Bruksanvisning Brugsanvisning Bruksanvisning Käyttöohjeet Instruction manual Betriebsanweisung

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1 MEK 20C Bruksanvisning Brugsanvisning Bruksanvisning Käyttöohjeet Instruction manual Betriebsanweisung Manuel d instructions Gebruiksaanwijzing Instrucciones de uso Istruzioni per l uso Manual de instruções Ïäçãßåò ñþóåùò Valid for serial no xxx -xxxx

2 VENKA... 3 DANK NORK UOMI ENGLIH DEUTCH FRANÇAI NEDERLAND EPAÑOL ITALIANO PORTUGUÊ ÅËËÇÍÉÊÁ 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. ous 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

3 ENGLIH 1 DIRECTIVE AFETY INTRODUCTION TECHNICAL DATA INTALLATION Termination resistance OPERATION Connection Wire feed pressure Changing / loading wire Changing feed rollers on MAINTENANCE Inspection and cleaning ORDERING OF PARE PART DIAGRAM WEAR COMPONENT ACCEORIE TOCe

4 GB 1 DIRECTIVE DECLARATION OF CONFORMITY EAB Welding Equipment AB, Laxå, weden, declares that Wire feed unit MEK 20C from serial number 710 onwards, conforms to standard EN , in accordance with the requirements of directive (73/23/EEC) and appendix (93/68/EEC) and standard EN in accordance with the requirements of directive (89/336/EEC) and appendix (93/68/EEC) Laxå Paul Karlsson Managing Director EAB Welding Equipment AB LAXÅ WEDEN Tel: Fax: AFETY Users of EAB welding equipment have the ultimate responsibility for ensuring that anyone who works on or near the equipment observes all the relevant safety precautions. afety precautions must meet the requirements that apply to this type of welding 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 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: its operation location of emergency stops its function relevant safety precautions welding 2. The operator must ensure that: no unauthorised person is stationed within the working area of the equipment when it is started up. no--one is unprotected when the arc is struck 3. The workplace must: be suitable for the purpose be free from draughts 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 become trapped or cause burns. 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 extinquishing equipment must be clearly marked and close at hand. Lubrication and maintenance must not be carried out on the equipment during operation. bm22d12e

5 GB WARNING ARC WELDING AND CUTTING CAN BE INJURIOU TO YOURELF AND OTHER. TAKE PRECAU- TION WHEN WELDING. AK FOR YOUR EMPLOYER AFETY PRACTICE WHICH HOULD BE BAED ON MANUFACTURER HAZARD DATA. ELECTRIC HOCK - Can kill Install and earth the welding unit in accordance with applicable standards. Do not touch live electrical parts or electrodes with bare skin, wet gloves or wet clothing. Insulate yourself from earth and the workpiece. Ensure your working stance is safe. FUME AND GAE - 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 RAY - 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. FIRE HAZARD parks (spatter) can cause fire. Make sure therefore that there are no inflammable materials nearby. NOIE - Excessive noise can damage hearing Protect your ears. Use earmuffs or other hearing protection. Warn bystanders of the risk. MALFUNCTION - Call for expert assistance in the event of malfunction. READ AND UNDERTAND THE INTRUCTION MANUAL BEFORE INTALLING OR OPERATING. PROTECT YOURELF AND OTHER! EAB can provide you with all necessary welding protection and accessories. WARNING! Read and understand the instruction manual before installing or operating. This product is solely intended for arc welding. 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 wire feed unit can accommodate a 200 mm diameter wire reel. The wire feed unit is mounted on an insulated protective frame equipped with runners. The wire feed unit is controlled from the PUA1 controller, see additional information under Operation. Details of EAB s accessories for the wire feed units can be found on page 106. bm22d12e

6 GB 4 TECHNICAL DATA Dimensions lxwxh Weight Wire feed speed Voltage Power consumption Torch connection 500x195x kg m/min 42V Hz 300 VA EURO 5 INTALLATION The installation 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. WARNING! When welding in an environment with increased electrical danger, only power sources intended for this environment may be used. These power sources are marked with the symbol. 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: Controller connected to wire feed unit. The termination resistance must be connected to the rear of the power source. (Already connected this way on delivery). bm22d12e

7 GB Controller connected to power source. 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 36. Read through before you start using the equipment! WARNING! Assure that the side panels are closed during operation. WARNING! 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! Rotating parts can cause injury, take great care. WARNING! There is a risk of tipping if the wire feed unit is fitted with a counterbalance arm. ecure the equipment, especially if used on an uneven or sloping surface. When moving the equipment use intended handle. NOTE! Never pull on the gun. bm22d12e

8 GB 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 PUA The wire feed speed and voltage The wire feed speed and voltage can be adjusted using the PUA1 controller in set and measure modes. 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. 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 must switch from remote to measure mode or set mode. bm22d12e

9 GB 6.2 Wire feed pressure tart 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 gun approx. 5 mm from the piece of wood (fig. 1) the feed rollers should slip. If you hold the gun approx. 50 mm from the piece of wood, the wire should be fed out and bend (fig. 2). 6.3 Changing / loading wire Open the side panel. Disconnect the pressure sensor by folding it backwards, the pressure rollers slide up. traighten out the new wire cm. File away burrs and sharp edges from the end of the wire before inserting it into the wire feed unit. Make sure that the wire goes properly into the feed roller s track and into the outlet nozzle or wire guide. ecure the pressure sensor. Close the side panel. 6.4 Changing feed rollers on Open the side panel. Disconnect the pressure sensor (1) by folding it backwards. Disconnect the pressure rollers (2) by turning the axle (3) 1/4 turn clockwise and pulling out the axle. The pressure rollers disconnect. Disconnect the feed rollers (4) by unscrewing the nuts (5) and pulling out the rollers. During installation, repeat the above in the reverse order. Choice of tracks in the feed rollers Turn the feed roller with the dimensioning mark for the required track towards you. bm22d12e

10 GB 7 MAINTENANCE Regular maintenance is important for safe, reliable operation. Note! All guarantee undertakings from the supplier cease to apply if the customer himself attempts any work in the product during the guarantee period in order to rectify any faults. 7.1 Inspection and cleaning Wire feed unit Check regularly that the wire feed unit is not clogged with dirt. Cleaning and replacement of the wire feed unit mechanism s worn parts should take place at regular intervals in order to achieve trouble--free wire feed. Note that if pre--tensioning is set too hard, this can result in abnormal wear on the pressure roller, feed roller and wire guide. 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. Adjusting the braking torque: Turn the red handle to the locked position. 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. Welding gun Cleaning and replacement of the welding gun s wear parts should take place at regular intervals in order to achieve trouble--free wire feed. Blow the wire guide clean regularly and clean the contact tip. 8 ORDERING OF PARE PART pare parts may be ordered through your nearest EAB dealer, see the last page of this publication. bm22d12e

11 chema kema kjema Johdotuskaavio Diagram chaltplan chéma chema Esquema chema Esquema Ó Þìá óýíäåóçò Ó ÇÌÁ ÓÕÍÄÅÓÇÓ bm22e12a

12 MEK 20C litdelar liddele litedeler Kulutusosat Wear components Verschleissteile Pièces d usure lijtageonderdelen Piezas de desgaste Parti di usura Peças expostas a desgaste Áíáëþóéìá áíôáëëáêôéêü ÁíáëÙóéìá áíôáëëáêôéêá Item A Feed and pressure rollers Ordering no. Wire dimensions Wire type Groove type Roller markings Ø 0.6 & 0.8 mm Fe, s & cored V & Ø 0.9/1.0 & 1.2 mm Fe, s & cored V & Ø 1.4 & 1.6 mm Fe, s & cored V & Ø 0.9/1.0 & 1.2 mm Cored V--knurled 1.0 R2 &1.2R Ø 1.2 & 1.4 mm Cored V--knurled 1.2 R2 &1.4R Ø 1.6 & 2.0 mm Cored V--knurled 1.6 R2 &2.0R Ø 0.8 & 0.9/1.0 mm Al U 0.8 A2 &1.0A Ø 1.2 & 1.6 mm Al U 1.2 A2 &1.6A2 Use only pressure and feed rollers marked A2, R2 or 2. Therollersaremarkedwithwiredimensioninmm,somearealsomarkedwithinch. Item B Item C Item D Gear adapter Inlet nozzle Drive gear Ordering no. Ordering no. Ordering no Item E Intermediate nozzles Ordering no. Wire type Fe, s & cored Al Item F Outlet nozzles Ordering no. Dimensions Wire type Ø 2.0 mm steel for mm wire Fe, s & cored Ø 2.0 mm plastic for mm wire Al bm25w11a Edition

13 MEK 20C bm25w11a Edition

14 MEK 20C Tillbehör Tilbehør Tilbehør Lisävarusteet Accessories Zubehör Accessoires Accessoires Accesorios Accessori Acessórios Aîåóïõáñ ÁÎÅÓÏÕÁÑ Item Ordering no. Denomination Notes Protection frame Remote control unit: Aristo Control ynergic Torch Wire feed speed and welding voltage Remote control unit: Aristo Control ynergic Box Wire feed speed and welding voltage Remote control unit: Aristo Control 5 -program Program selection Remote control unit: F 002 TIG Intermediate wire feeder MEK 25 Connection set 1.7 m... Connection set 8 m... Connection set 16 m... Connection set 25 m... Connection set 35 m... Connection set 1.7 m, water... Connection set 8 m, water... Connection set 16 m, water... Connection set 25 m, water... Connection set 35 m, water bm22a11a Edition

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16 EAB subsidiaries and representative offices Europe AUTRIA EAB Ges.m.b.H Vienna -Liesing Tel: Fax: BELGIUM.A. EAB N.V. Brussels Tel: Fax: THE CZECH REPUBLIC EAB VAMBERK s.r.o. Prague Tel: Fax: DENMARK Aktieselskabet EAB Copenhagen -Valby Tel: Fax: FINLAND EAB Oy Helsinki Tel: Fax: FRANCE EAB France.A. Cergy Pontoise Tel: Fax: GERMANY EAB GmbH olingen Tel: Fax: GREAT BRITAIN EAB Group (UK) Ltd Waltham Cross Tel: Fax: EAB Automation Ltd Andover Tel: Fax: NORWAY A EAB Larvik Tel: Fax: POLAND EAB p.z.o.o Warszaw Tel: Fax: PORTUGAL EAB Lda Lisbon Tel: Fax: LOVAKIA EAB lovakia s.r.o. Bratislava Tel: Fax: PAIN EAB Ibérica.A. Alcobendas (Madrid) Tel: Fax: WEDEN EAB verige AB Gothenburg Tel: Fax: EAB International AB Gothenburg Tel: Fax: WITZERLAND EAB AG Dietikon Tel: Fax: North and outh America ARGENTINA CONARCO Buenos Aires Tel: Fax: BRAZIL EAB.A. Contagem -MG Tel: Fax: Asia/Pacific CHINA hanghai EAB A/P hanghai Tel: Fax: INDIA EAB India Ltd Calcutta Tel: Fax: INDONEIA P.T. Esabindo Pratama Jakarta Tel: Fax: MALAYIA EAB (Malaysia) nd Bhd elangor Tel: Fax: INGAPORE EAB ingapore Pte Ltd ingapore Tel: Fax: EAB Asia/Pacific Pte Ltd ingapore Tel: Fax: OUTH KOREA EAB eah Corporation Kyung -Nam Tel: Fax: UNITED ARAB EMIRATE EAB Middle East Dubai Tel: Fax: Representative offices BULGARIA EAB Representative Office ofia Tel/Fax: EGYPT EAB Egypt Dokki -Cairo Tel: Fax: ROMANIA EAB Representative Office Bucharest Tel/Fax: RUIA -CI EAB Representative Office Moscow Tel: Fax: EAB Representative Office t Petersburg Tel: Fax: Distributors For addresses and phone numbers to our distributors in other countries, please visit our home page HUNGARY EAB Kft Budapest Tel: Fax: ITALY EAB aldatura.p.a. Mesero (Mi) Tel: Fax: THE NETHERLAND EAB Nederland B.V. Utrecht Tel: Fax: CANADA EAB Group Canada Inc. Missisauga, Ontario Tel: Fax: MEXICO EAB Mexico.A. Monterrey Tel: Fax: UA EAB Welding & Cutting Products Florence, C Tel: Fax: EAB AB E LAXÅ WEDEN Phone Fax