ESAB MEK 20 is a portable wire feeder that lets you weld semi-automatically, making it ideal for both professionals and hobbyists. It is robust, reliable, and delivers a smooth and stable arc, enabling you to achieve high-quality welds. Its user-friendly interface makes it easy to set up and operate. With its sturdy construction and excellent performance, the MEK 20 is a great choice for various welding applications.
ESAB MEK 20 is a portable wire feeder that lets you weld semi-automatically, making it ideal for both professionals and hobbyists. It is robust, reliable, and delivers a smooth and stable arc, enabling you to achieve high-quality welds. Its user-friendly interface makes it easy to set up and operate. With its sturdy construction and excellent performance, the MEK 20 is a great choice for various welding applications.
Valid for serial no. 726--xxx--xxxx0457 363 027 011126
MEK 20
104
Instruction manual Èíñòðóêöèÿ ïî ýêñïëóàòàöèè
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Rights reserved to alter specifications without notice.
Îñòàâëÿåì çà ñîáîé ïðàâî èçìåíÿòü ñïåöèôèêàöèþ áåç ïðåäóïðåæäåíèÿ.
Ðóññêèé 3...............................................
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Ðóññêèé
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1 ÒÅÕÍÈÊÀ ÁÅÇÎÏÀÑÍÎÑÒÈ 4........................................
2 ÂÂÅÄÅÍÈÅ 4.......................................................
3 ÒÅÕÍÈ×ÅÑÊÈÅ ÄÀÍÍÛÅ 5..........................................
4ÓÑÒÀÍÎÂÊÀ 5.......................................................
4.1 ÏÎÄÊËÞ×ÅÍÈÅ 5.........................................................
5 ÐÀÁÎÒÀ ÓÑÒÀÍÎÂÊÈ 6..............................................
5.1 Íà÷àëî ñâàðêè 7...........................................................
6 ÒÅÕÍÈ×ÅÑÊÎÅ ÎÁÑËÓÆÈÂÀÍÈÅ 7................................
6.1 ÎÑÌÎÒÐ È ×ÈÑÒÊÀ 7......................................................
7 ÇÀÊÀÇ ÇÀÏÀÑÍÛÕ ×ÀÑÒÅÉ 8.......................................
ÑÕÅÌÀ 14..............................................................
ÑÏÈÑÎÊ ÇÀÏÀÑÍÛÕ ×ÀÑÒÅÉ 15........................................
ÄÎÏÎËÍÈÒÅËÜÍÛÅ ÏÐÈÍÀÄËÅÆÍÎÑÒÈ 24...........................
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1 ÒÅÕÍÈÊÀ ÁÅÇÎÏÀÑÍÎÑÒÈ
Ïåðåä íà÷àëîì ìîíòàæà è ýêñïëóà òàöèè âíèìàòåëüíî èçó÷èòå ñîî òâåòñòâóþùèå èíñòðóêöèè.
ÇÀÙÈÒÈÒÅ ÑÅÁß È ÄÐÓÃÈÕ!
ÎÑ ÒÎÐÎÆÍÎ!
ÄÓÃÎ
Â
Àß Ñ
Â
ÀÐÊÀ È ÐÅÇÊÀ ÎÏÀÑÍÛ ÊÀÊ ÄËß ÈÑÏÎ ËÍÈÒÅËß ÐÀÁÎ Ò, ÒÀÊ È ÄËß
ÏÎÑÒ ÎÐÎÍÍÈÕ ËÈÖ. ÒÐÅÁÓÉÒÅ ÑÎÁËÞÄÅÍÈÅ
Â
ÑÅÕ ÏÐÀ
Â
ÈË ÁÅÇÎÏÀÑÍÎÑÒÈ,
ÄÅÉÑÒ
Â
ÓÞÙÈÕ ÍÀ ÎÁÚÅÊÒÅ, ÊÎÒÎÐÛÅ ÄÎËÆÍÛ Ó×ÈÒÛ
Â
ÀÒÜ Ñ
Â
ÅÄÅÍÈß ÎÁ ÎÏÀÑÍÎÑÒßÕ,
ÏÐÅÄÑÒÀ
Â
ËÅÍÍÛÅ ÈÇÃÎÒÎ
Â
ÈÒÅËÅÌ Ñ
Â
ÀÐÎ×ÍÎÃÎ ÎÁÎÐÓÄÎ
Â
ÀÍÈß.
ÎÏÀÑÍÎÑÒÜ ÑÌÅÐÒÅËÜÍÎÃÎ ÏÎÐÀÆÅÍÈß ÝËÅÊÒÐÈ×ÅÑÊÈÌ ÒÎÊÎÌ.
S Ñâàðî÷íûé àãðåãàò óñòàíàâëèâàåòñÿ è çàçåìëÿåòñÿ â ñîîòâåòñòâèè ñ äåéñòâóþùèìè íîðìàìè è
ïðàâèëàìè.
S Íå äîïóñêàéòå êîíòàêòà íàõîäÿùèõñÿ ïîä íàïðÿæåíèåì äåòàëåé è ýëåêòðîäîâ ñ íåçàùèùåííûìè
÷àñòÿìè òåëà, ìîêðûìè ðóêàâèöàìè è ìîêðîé îäåæäîé.
S Îáåñïå÷üòå ýëåêòðè÷åñêóþ èçîëÿöèþ îò çåìëè è ñâàðèâàåìûõ äåòàëåé.
S Îáåñïå÷üò å ñîáëþäåíèå áåçîïàñíûõ ðàáî÷èõ ðàññòîÿíèé.
ÄÛÌÛ È ÃÀÇÛ ìîãóò áûòü îïàñíû äëÿ ÷åëîâåêà
S Èñêëþ÷èòå âîçìîæíîñòü âîçäåéñòâèÿ äûìîâ.
S Äëÿ èñêëþ÷åíèÿ âäûõàíèÿ äûìîâ âî âðåìÿ ñâàðêè îðãàíèçóåòñÿ îáùàÿ âåíòèëÿöèÿ ïîìåùåíèÿ, à
òàêæå âûòÿæíàÿ âåíòèëÿöèÿ èç çîíû ñâàðêè.
ÈÇËÓ×ÅÍÈÅ ÄÓÃÈ âûçûâàåò ïîðàæåíèå ãëàç è îæîãè êîæè.
S Çàùèòèòå ãëàçà è êîæó. Äëÿ ýòîãî èñïîëüçóéòå çàùèòíûå ùèòêè, öâåòíûå ëèíçû è çàùèòíóþ
ñïåöîäåæäó.
S Äëÿ çàùèòû ïîñòîðîííèõ ëèö ïðèìåíÿþòñÿ çàùèòíûå ýêðàíû èëè çàíàâåñè.
ÏÎÆÀÐÎÎÏÀÑÍÎÑÒÜ
S Èñêðû (áðûçãè ìåòàëëà) ìîãóò âûçâàòü ïîæàð. Óáåäèòåñü â îòñóòñòâèè ãîðþ÷èõ ìàòåðèàëîâ
ïîáëèçîñòè îò ìåñòà ñâàðêè.
∅ÓÌ - ×ðåçìåðíûé øóì ìîæåò ïðèâåñòè ê ïîâðåæäåíèþ îðãàíîâ ñëóõà
S Ïðèìèòå ìåðû äëÿ çàùèòû ñëóõà. Èñïîëüçóéòå çàòû÷êè äëÿ óøåé èëè äðóãèå ñðåäñòâà çàùèòû
ñëóõà.
S Ïðåäóïðåäèòå ïîñòîðîííèõ ëèö îá îïàñíîñòè.
ÍÅÈÑÏÐÀ
Â
ÍÎÑÒÈ -- Ïðè íåèñïðàâíîñòè îáðàòèòåñü ê ñïåöèàëèñòàì ïî ñâàðî÷íîìó
îáîðóäîâàíèþ
2 ÂÂÅÄÅÍÈÅ
MEK 20 - ýòî ïîðòàòèâíûé ïîäàþùèé ìåõàíèçì ñåðèè À10 ñ ÷åòûðüìÿ
ïðèâîäíûìè ðîëèêàìè, ïðåäíàçíà÷åííûé äëÿ ïîëóàâòîìàòè÷åñêîé ñâàðêè â
ñðåäå çàùèòíûõ ãàçîâ è âîçìîæíîñòüþ óñòàíîâêè â íåì êàññåò ñâàðî÷íîé
ïðîâîëîêè äèàìåòðîì äî 200 ìì.
Ìåõàíèçì ïîäà÷è ïðîâîëîêè óñòàíîâëåí íà èçîëèðîâàííóþ çàùèòíóþ ðàìó,
îñíàùåííóþ ñà ëàçêàìè.
Ïîäðîáíàÿ èíôîðìàöèÿ î ïðèíàäëåæíîñò ÿõ äëÿ áëîêîâ ïîäà÷è
ñâàðî÷íîé ïðîâîëîêè ôèðìû ESAB íà ñòð. 24.
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3 ÒÅÕÍÈ×ÅÑÊÈÅ ÄÀÍÍÛÅ
Ãàáàðèòû lxwxh 500x195x300 ìì
Âåñ 14 kg
Ñêîðîñòü ïîäà÷è ïðîâîëîêè 1,9-25 ì/ìèí
Íàïðÿæåíèå 42Â, 50-60 Hz
Ïîòðåáëÿåìàÿ ìîùíîñòü 300 VA
Òèï ðàçú¸ìà EURO
Ìàêñèìàëüíûé äèàìåòð êàññåòû 200 ìì
4ÓÑÒÀÍÎÂÊÀ
Ââîä â ýêñïëóàòàöèþ äîëæåí ïðîèçâîäèòüñÿ êâàëèôèöèðîâàííûì
ñïåöèàëèñòîì.
ÂÍÈÌÀÍÈÅ!
Íàñòîÿùåå èçäåëèå ïðåäíàçíà÷åíî äëÿ ïðîìûøëåííîãî èñïîëüçîâàíèÿ. Ïðè
èñïîëüçîâàíèè â á ûòîâûõ óñëîâèÿõ îíî ìîæåò ñîçäàâàòü ðàäèî÷àñòîòíûå ïîìåõè.
Ïîëüçîâàòåëü îòâå÷àåò çà ïðèíÿòèå ñîîòâåòñòâóþùèõ ìåð ïðåäîñòîðîæíîñòè.
4.1 ÏÎÄÊËÞ×ÅÍÈÅ
1. Ðàçú¸ì ñèñòåìû âîäÿíîãî î õëàæäåíèÿ
(òîëüêî óêàç. ìîäåëè)
2. Ðàçú¸ì ñèñòåìû âîäÿíîãî î õëàæäåíèÿ
(òîëüêî óêàç. ìîäåëè)
3. Ãàçîâûé øòóöåð
4. Ðàçú¸ì êàáåëÿ óïðàâëåíèÿ
5. Ðàçú¸ì ñâàðî÷íîãî êàáåëÿ
6. Ðàçú¸ì ïóëüòà äèñòàíöèîííîãî óïðàâëåíèÿ
7. Ðàçú¸ì ñâàðî÷íîé ãîðåëêè
8. Ðó÷êà ðåãóëèðîâêè ñêîðîñòè ïîäà÷è ïðîâîëîêè
9. Ðó÷êà ðåãóëèðîâêè íàïðÿæåíèÿ
10. Öèôðîâîé äèñïëåé
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5 ÐÀÁÎÒÀ ÓÑÒÀÍÎÂÊÈ
Îáùèå ïðàâèëà òåõíèêè áåçîïàñíîñòè ïðè ðàáîòå ñ îáîðóäîâàíèåì
ïðèâîäÿòñÿ íà ñòð. 4. Ïðî÷òèòå èõ äî èñïîëüçîâàíèÿ îáîðóäîâàíèÿ!
Ä ëÿ ïðåäîòâðàùåíèÿ ñîñêà ëüçûâàíèÿ êàòóøêè ñ ïðîâîëîêîé ñî
âòóëêè çàôèêñèðóéòå åå ïîâîðîòîì êðàñíîé êíîïêè êàê ïîêàçàíî
íà ðèñóíêå ðÿäîì ñî âòóëêîé.
ÏÐÅÄÓÏÐÅÆÄÅÍÈÅ !
ÎÑÒÎÐÎÆÍÎ !
Ñîáëþäàéòå îñòîðîæíîñòü! Âðàùàþùèåñÿ äåòàëè ìîãóò íàíåñòè
òðàâìû!
ÓÑÒÀÍÎÂÊÀ ÓÑÈËÈß ÏÎÄÀ×È ÏÐÎÂÎËÎÊÈ
Ïðîâåðüòå âíà÷àëå, ÷òîáû ïðîâîëîêà íå äâèãàëàñü ïî íàïðàâëÿþùåé òóãî.
Çàòåì óñòàíîâèòå óñèëèå ïîäà÷è íà ïðèæèìàþùèõ ðîëèêàõ. Äàâëåíèå íå
äîëæíî áûòü ÷ðåçìåðíî áîëüøèì.
Ðèñóíîê
1 Ðèñóíîê 2
Äëÿ ïðîâåðêè óñòàíîâêè óñèëèÿ ïîäà÷è, ïîäàéòå ïðîâîëîêó íà
èçîëèðîâàííûé ïðåäìåò, íàïðèìåð íà äåðåâÿííûé áðóñ.
Êîãäà âû áóäåòå äåðæàòü ïèñòîëåò íà ðàññòîÿíèè ïðèìåðíî â 5 ìì îò
äåðåâÿííîãî áðóñà (ðèñ. 1) ðîëèêè ïîäà÷è äîëæíû ïðîáóêñîâûâàòü.
Êîãäà âû áóäåòå äåðæàòü ïèñòîëåò íà ðàññòîÿíèè ïðèìåðíî â 50 ìì îò
äåðåâÿííîãî áðóñà, ïðîâîëîêà ïðè ïîäà÷å äîëæíà ñãèáàòüñÿ (ðèñ. 2).
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5.1 Íà÷àëî ñâàðêè
Ðåãóëèðîâêà ðàñõîäà (1) çàùèòíîãî ãàçà
Ïåðåêëþ÷àòåëü (2) Çàâàðêà êðàòåðà âêë/âûê ë.
Ïåðåêëþ÷àòåëü ðåæèìà ðàáîòû êíîïêè ñâàðî÷íîé ãîðåëêè
âêë/âûêë (3)
2-õ òàêòíûé ðåæèì: Ïîäà÷à ïðîâîëîêè íà÷èíàåòñÿ ïðè
íàæàòèè êíîïêè è ïðåêðàùàåòñÿ ïðè å¸ îñâîáîæäåíèè.
4-õ òàêòíûé ðåæèì: Ïîäà÷à ïðîâîëîêè íà÷èíàåòñÿ
ïðè íàæàòèè /îñâîáîæäåíèè êíîïêè è ïðåêðàùàåòñÿ
ïðè å¸ íàæàòèè /îñâîáîæäåíèè.
Ïîòåíöèîìåòð (4) Âðåìÿ îêîí÷àíèÿ ñâàðêè 0 - 0.5 ñåê.
Ïîòåíöèîìåòð (5) Âðåìÿ çàâàðêè êðàòåðà 0 - 5.1.
6 ÒÅÕÍÈ×ÅÑÊÎÅ ÎÁÑËÓÆÈÂÀÍÈÅ
Ïðèìå÷àíèå:
Âñå ãàðàíòèéíûå îáÿçàòåëüñòâà ïîñòàâùèêà ò åðÿþò ñèëó â ñëó÷àå ïîïûòêè
ïîêóïàòåëÿ ñàìîñòîÿòåëüíî óñòðàíèòü êàêóþ-ëèáî íåèñïðàâíîñòü ìàøèíû â
òå÷åíèå ãàðàíòèéíîãî ïåðèîäà.
6.1 ÎÑÌÎÒÐ È ×ÈÑÒÊÀ
Ðåã óëÿðíîå òåõíè÷åñêîå îáñëóæèâàíèå íåîáõîäèìî äëÿ áåçîïàñíîé è
íà äåæíîé ðàáîòû óñòàíîâêè.
S Äëÿ èçáåæàíèÿ ïðîáëåì ñ ïîäà÷åé ïðîâîëîêè ðåãóëÿðíî ïðî÷èùàéòå è
çàìåíÿéòå èçíîøåííûå êîìïîíåíòû ïîäàþùåãî óñòðîéñòâà.
S Èìåéòå â âèäó, ÷òî ïîâûøåííîå äàâëåíèå ïðèæèìà ïðîâîëîêè ïðèâîäèò ê
óñêîðåííîìó èçíîñó ïîäàþùèõ, ïðèæèìíûõ ðîëèêîâ è íàïðàâëÿþùåãî
êàíàëà
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Òîðìîçíàÿ âòóëêà.
Òîðìîçíàÿ âòóëêà ðåãóëèðóåòñÿ ïåðåä
ïîñòàâêîé èçäåëèÿ. Ïðè íåîáõîäèìîñòè
ïîâòîðíîé ðåã óëèðîâêè ïðèäåðæèâàéòåñü
óêàçàíèé ïðèâåäåííûõ íèæå. Ïðè ïðàâèëüíî
îòðåã óëèðîâàííîé òîðìîçíîé âòóëêå
ïðîâîëîêà äîëæ íà íåñêîëüêî
ïðîâèñàòü ïîñëå îñòàíîâêè ïîäà÷è.
S Ðåãóëèðîâêà òîðìîçíîã î óñèëèÿ:
S Óñòàíîâèòü êðàñíóþ ðóêîÿòêó â ïîëîæåíèå áëîêèðîâêè
S Âñòàâèòü î òâåðòêó â ïðóæèíû èìåþùèåñÿ âî âòóëêå.
Äëÿ óìåíüøåíèÿ òîðìîçíîãî óñèëèÿ ïîâåðíóòü ïðóæèíû ïî ÷àñîâîé
ñòðåëêå.
Äëÿ óâåëè÷åíèÿ òîðìîçíîãî óñèëèÿ ïîâåðíó òü ïðóæèíû ïðîòèâ ÷àñîâîé
ñòðåëêè. Ïðèìå÷àíèå: Îáå ïðóæèíû ñëåäóåò ïîâîðà÷èâàòü íà
îäèíàêîâîå ÷èñëî îáîðîòîâ.
7 ÇÀÊÀÇ ÇÀÏÀÑÍÛÕ ×ÀÑÒÅÉ
Çàïàñíûå ÷àñòè çàêàçûâàþòñÿ ÷åðåç áëèæàéøåå ïðåäñòàâèòåëüñòâî ESAB,
à äðåñ êîòîðîãî ìîæíî íàéòè í à ïîñëåäíåé ñòðàíèöå îáëîæêè.
Ïðè çàêàçå çàïàñíûõ ÷àñò å é óêàæèòå òèï ìàøèíû è åå íîìåð, à òàêæå
íàèìåíîâàíèå äåòàëè è åå íîìåð èç ïåðå÷íÿ çàïàñíûõ ÷àñòåé. Ýòî óïðîñòèò
äîñòàâêó è îáåñïå÷èò ïîëó÷åíèå òðåáóåìûõ çàïàñíûõ ÷àñòåé.
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TOCe
1 DIRECTIVE 10........................................................
2SAFETY 10...........................................................
3 INTRODUCTION 11...................................................
4 TECHNICAL SPECIFICATION 11.......................................
5 INSTALLATION 11....................................................
5.1 Connection 11...............................................................
6 OPERATION 12.......................................................
6.1 Startingtoweld 13...........................................................
7 MAINTENANCE 13....................................................
7.1 Inspection and cleaning 13....................................................
8 ORDERING OF SPARE PARTS 13......................................
DIAGRAM 14............................................................
SPARE PARTS LIST 15...................................................
ACCESSORIES 24.......................................................
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1 DIRECTIVE
DECLARATION OF CONFORMITY
ESAB Welding Equipment AB, S--695 81 Laxå, Sweden, declares that Wire feed unit MEK 20 / MEK
20W from serial number 726 onwards, conforms to standard EN 60974--5, in accordance with the re-
quirements of directive (73/23/EEC) and appendix (93/68/EEC) and standard EN 50199 in accord-
ance with the requirements of directive (89/336/EEC) and appendix (93/68/EEC).
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Anders Birgersson
Managing Director
ESAB Welding Equipment AB
695 81 LAXÅ
SWEDEN Tel: + 46 584 81000 Fax: + 46 584 411924
Laxå 98--04-- 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 y our 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 y our 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!
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3 INTRODUCTION
MEK 20 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.
Details of ESAB’s accessories for the wire feed units can be found on page
24.
4 TECHNICAL SPECIFICATION
Dimensions lxwxh 500x195x300 mm
Weight 14 kg
Wire feed speed 1,9--25 m/min
Voltage 42 V 50--60 Hz
Power consumption 300 VA
Torch connection EURO
Wire reel max 200 mm
5 I NSTALLATION
The in stallatio n must b e 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 Connection
1. Nipple, cooling water (only certain models)
2. Nipple, cooling water (only certain models)
3. Nipple, gas connection
4. Connector, control cable
5. Adapter, welding current
6. Connector, remote control
7. Adapter, welding torch
8. Potentiometer, wire feed speed
9. Potentiometer, welding voltage
10. Digital m eter
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6 OPERATION
General safety regulations for the handling of the equipment can be found on
page 10. Read through before you start using the equipment!
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!
WARNING!
Rotating parts can cause injury, take great care.
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 isolated 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 m m from the piece of wood, the wire should be
feed out and bend (fig. 2). ja sen on taivuttava (kuva 2).
GB
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6.1 Startingtoweld
Throttle valve (1) Gas flow
Switch (2) Crater fill on/off.
Switch trigger latch on/off (3)
2 stroke:Wire feed starts when you press the trigger and stops when
you release it.
4 stroke:Press the trigger to start welding, then release it. Welding
continues until you press the trigger again.
Potentiometer (4) Burn--back time 0 -- 0.5 seconds.
Potentiometer (5) Crater fill time 0 -- 5.1 seconds.
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 r esult 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 r ight part.
GB
Diagram Ñõåìà
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Schema 0457 853 001
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Spare p arts list Ñïèñîê çàïàñíûõ ÷àñòåé
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Valid for serial no. 726--xxx--xxxx
Ordering numbers for MEK 20
0457 235 880 MEK 20, Without water connection
0457 235 881 MEK 20W, With water connection
Spare parts are to be ordered through the nearest ESAB agency as per the list on the back of the
cover. Kindly indicate type of unit, serial number, denominations and ordering numbers according to
the spare parts list.
Maintenance and repair work should be performed by an experienced person, and electrical work only
by a trained electrician. Use only recommended spare parts.
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C = component designation in the circuit diagram
Item Qty Ordering no. Denomination Notes
101 1 0156 388 001 Handle
102 1 0457 135 001 Handle
103 2 0457 120 001 Handle
104 1 0366 561 001 Hinge
105 1 0457 351 001 Bottom plate
106 1 0469 474 003 Brake hub
107 1 0457 353 001 Intermediate plate
108 1 0457 082 001 Panel plate
109 2 0457 338 001 Washer
110 2 0457 263 001 Profile
111a 1 0456 975 001 Cover left
111b 1 0456 974 001 Cover right
112 1 0457 325 880 Protection frame
113 2 0469 223 001 Slide bar
114 2 0367 902 001 Locking device
115 10 0194 019 003 Spacer
116 4 Screw M6 x 30
117 8 0153 043 002 Bushing Insulated
118 4 0192 559 028 Washer 25/6.4 x 1.5 mm
119 12 Nut M6
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C = component designation in the circuit diagram
Item
Qty
MEK
20
Qty
MEK
20W
Ordering no. Denomination Notes C
201 1 1 0160 609 881 Welding current terminal XP02
202 1 1 0192 915 013 Capacitor 0.1 mF, 250V C01
203 1 1 0469 832 880 Rail With insulation
204 1 1 0457 121 001 Sign plate
205 2 2 0147 866 001 Toggle switch SA01, SA02
206 1 1 0368 544 005 Sleeve socket 23--pole XS13
-- 23 23 0323 945 003 Sleeve
207 1 1 0455 516 001 Cap
208 -- 1 0365 803 008 Quick connector Red, female
209 -- 1 0365 803 009 Quick connector Blue, female
210 1 1 0455 172 001 Glass
211 1 1 0455 174 001 Gasket
212 1 1 0486 212 880 Circuit board With display AP02
213 4 4 0191 870 616 Potentiometer 10 kΩ RP01, RP02,
RP03, RP04
214 1 1 0321 475 887 Knob
215 1 1 0317 942 001 Planetary gear
216 1 1 0366 212 001 Arrow
217 1 1 0321 475 889 Knob
218 1 1 0457 478 001 Sign plate
219 1 1 0318 419 002 Support bracket
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C = component designation in the circuit diagram
Item Qty Ordering no. Designation Notes C
300a 1 0469 833 880 Pressure arm, left Contains items 301, 302, 303, 304 and 305, one of
each.
300b 1 0469 833 881 Pressure arm, right Items 301, 302, 303, 304 and 305, one of each.
The same as 300a, only fitted differently.
301 4 0455 053 880 Geared adapter (W)
302 2 0369 728 001 Pressure roller (W)
2 0466 262 001 Pressure roller (W) (A) Knurled
303 2 Locking washer Included in item 300a and 300b
304 2 Holder Included in item 300a and 300b
305 2 Shaft Included in item 300a and 300b
306 2 0455 070 001 Sleeve
307 1 0455 050 001 Spring
308a 1 0455 077 001 Drive unit With tachometer M01, G01
308b 1 0332 351 012 Drive shaft with pinion Included in item 308a
309 1 0215 701 007 Locking washer Included in item 308a
310 1 0191 496 1 14 Key Included in item 308a
311 1 0455 049 001 Inlet nozzle (W)
312 1 0455 072 001 Adapter nozzle (W)
1 0456 615 001 Adapter nozzle (W)
(A)
For aluminium
313 4 0215 702 706 Locking washer
314 2 0455 071 001 Shaft
315 2 0367 528 001 Pin bolt
316 2 0368 749 880 Pressure transducer
317 1 Screw M6x40
318 1 Washer ⊘ 12/6.4x1.5
319 1 0455 048 001 Insulating tube
320 1 Nut M6
321 1 0469 837 880 Outlet nozzle (W)
1 0469 837 881 Outlet nozzle (W) (A) For aluminium
322 1 0481 004 880 Printed circuit board Current relay
323 1 0455 079 001 Plate
324 1 0455 047 001 Front flange
325 1 0455 044 001 Current junction
326 2 0368 750 001 Insulating sleeve
327 1 0469 964 882 Cable set
328 1 0455 045 001 Insulating sleeve
329 1 Screw M8x25
330 1 Washer ⊘ 16/8.4x1.5
331 1 Spring washer ⊘ 16/8.2x0.9
332 1 Nut M8
333 1 Screw M4x12
334 1 Washer ⊘ 16/5x1
335 1 0455 052 001 Drive gear (W)
336a 2 0458 721 001 Nut Valid from ser .no.726--114--xxxx
336b 2 0455 075 001 Screw Valid before ser.no.726--114--xxxx
When ordering: items 336a and 338a are delivered.
337 2 0369 557 001 Feed roller (W) (A) (V)For ⊘ 0.6 -- 0.8 mm Fe, Ss and cored wire
2 0369 557 002 Feed roller (W) (A) (V)For ⊘ 0.8 -- 1.0 mm Fe, Ss and cored wire
2 0369 557 003 Feed roller (W) (V)For ⊘ 1.0 -- 1.2 mm Fe, Ss and cored wire
2 0369 557 007 Feed roller (W) (A) (V)For ⊘ 1.2 -- 1.6 mm Fe, Ss and cored wire
2 0369 557 010 Feed roller (W) (A) (V)For ⊘ 1.2 mm x 2 Fe, Ss and cored wire
2 0369 557 013 Feed roller (W) (A) (V)For ⊘ 1.4 --1.6 mm Fe, Ss and cored wire
2 0369 557 004 Feed roller (W) (A) (K)(V) For ⊘1.0 -- 1.2 / 1.4 -- 1.6 mm cored wire
2 0369 557 006 Feed roller (W) (A) (U) For ⊘ 1.0 -- 1.2 mm Al wire
2 0369 557 008 Feed roller (W) (A) (U) For ⊘ 1.6 mm Al wire
2 0369 557 011 Feed roller (W) (A) (U) For ⊘ 0,8 -- 0,9 mm Al wire
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ESAB MEK 20 is a portable wire feeder that lets you weld semi-automatically, making it ideal for both professionals and hobbyists. It is robust, reliable, and delivers a smooth and stable arc, enabling you to achieve high-quality welds. Its user-friendly interface makes it easy to set up and operate. With its sturdy construction and excellent performance, the MEK 20 is a great choice for various welding applications.
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- italiano: ESAB MEK 20 Manuale utente