Related Manuals for ESAB LAF 631
Summary of Contents for ESAB LAF 631
- Page 1 LAF 631 Instruction manual Valid for: serial no. 744-xxx-xxxx 0449 501 201 GB 20181228...
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Page 3: Table Of Contents
Controls....................MAINTENANCE ................... Cleaning ....................6.1.1 Welding power source ................6.1.2 Contactor ....................ORDERING SPARE PARTS ................ DIAGRAM ......................CONNECTION INSTRUCTION................18 ORDERING NUMBERS ..................19 Rights reserved to alter specifications without notice. 0449 501 201 © ESAB AB 2018... -
Page 4: Safety
Safety Data Sheets (SDSs). Safety precautions Users of ESAB 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 equipment. The following recommendations should be observed in addition to the standard regulations that apply to the workplace. - Page 5 Protect your eyes and body. Use the correct welding screen and filter lens and wear protective clothing. • Protect bystanders with suitable screens or curtains. NOISE - Excessive noise can damage hearing Protect your ears. Use earmuffs or other hearing protection. 0449 501 201 - 5 - © ESAB AB 2018...
- Page 6 For further information contact the nearest ESAB dealer. ESAB has an assortment of welding accessories and personal protection equipment for purchase. For ordering information contact your local ESAB dealer or visit us on our website. 0449 501 201 - 6 - ©...
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Page 7: Introduction
2 INTRODUCTION INTRODUCTION LAF 631 is a remote-controlled 3-phase welding power source designed for high-efficiency mechanical gas metal arc welding (MIG/MAG) or sub arc welding (SAW). The welding power source is fan-cooled and is monitored by a thermal cutout against overload. -
Page 8: Technical Data
Dimensions L × W × H 652 × 483 × 800 mm 652 × 483 × 916 mm (including foot) Insulation class (transformer) Enclosure class IP 23 Application class Restrictive use Class A 0449 501 201 - 8 - © ESAB AB 2018... - Page 9 Equipment marked IP23 is intended for indoor and outdoor use. Application class The symbol indicates that the power source is designed for use in areas with increased electrical hazard. 0449 501 201 - 9 - © ESAB AB 2018...
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Page 10: Installation
• Fit the supports supplied. Place the welding power source in such a way that the cooling air intake and outlet remain free. Lifting instructions 0449 501 201 - 10 - © ESAB AB 2018... -
Page 11: Connections
Type C MCB 63 A Mains voltage 415 V ±10%, 3~50 Hz Mains cable area 4 × 16 mm Primary current I 66 A Phase current I 52 A 1eff 0449 501 201 - 11 - © ESAB AB 2018... - Page 12 The mains cable areas and fuse sizes as shown above are in accordance with Swedish regulations. For other regions, supply cables must be suitable for the application and meet local and national regulations. 0449 501 201 - 12 - © ESAB AB 2018...
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Page 13: Operation
Pushbutton resetting the automatic fuse FU2 for 42 V supply voltage. Pushbuttons, for the resetting of automatic fuse FU3 for 230 V supply voltage. 0449 501 201 - 13 - © ESAB AB 2018... -
Page 14: Maintenance
To ensure the reliable operation of the contactor, the magnetic parts must be kept clean. If the contactor has to be cleaned it must be taken apart, and all the pieces be cleaned. Alternatively, the contactor can be replaced. 0449 501 201 - 14 - © ESAB AB 2018... -
Page 15: Ordering Spare Parts
Repair and electrical work should be performed by an authorised ESAB service technician. Use only ESAB original spare and wear parts. LAF 631 is designed and tested in accordance with the international and European standards EN 60974-1 and EN 60974-10. 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. -
Page 16: Diagram
DIAGRAM DIAGRAM 0449 501 201 - 16 - © ESAB AB 2018... - Page 17 DIAGRAM 0449 501 201 - 17 - © ESAB AB 2018...
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Page 18: Connection Instruction
CONNECTION INSTRUCTION CONNECTION INSTRUCTION 0449 501 201 - 18 - © ESAB AB 2018... -
Page 19: Ordering Numbers
ORDERING NUMBERS Ordering number Denomination Type Notes 0460 512 880 Welding power source LAF 631 0459 839 056 Spare parts list LAF 631 The spare parts list is published in a separate document that can be downloaded from the Internet: www.esab.com... - Page 20 For contact information visit esab.com ESAB AB, Lindholmsallén 9, Box 8004, 402 77 Gothenburg, Sweden, Phone +46 (0) 31 50 90 00 http://manuals.esab.com...