valutazioni - 3, GPA: 3.3 ( )

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115 117 8541 Contents 1.0 Machine Conception 4.0 General Instructions for Machine Start-Up 1.1 Scope of Application 4.1 MIG/MAG Welding 1.2 Important Information 4.2 MIG/MAG Welding with Separate Wire Feed 1.3 System Component Combinations 4.3 TIG Welding 1.4 Specifications 4.4 MANUAL ARC Welding 2.0 Description 5.0 Safety Precautions/Accident Prevention 2.1 Panel Controls 5.1 Overloads/Low Voltage 3.0 MWS Multi-Function Control Description/Instructions 6.0 Service and Maintenance 3.1 General 6.1 Electronic Controls 3.2 Machine Start-Up 7.0 Error Messages 3.3 Menu MIG/MAG Welding 8.0 Trouble Shooting 3.4 Menu TIG AC Welding 9.0 Spare Parts List/Accessories 3.5 Menu TIG DC Welding 10.0 Wiring Diagram 3.6 Menu MANUAL ARC Welding 1.0 Machine Conception The multi discipline integrated welding unit OMEGA 400 SEK/W is a secondary-switched inverter serving as a welding power source for MIG/MAG welding,TIG welding AC/DC and Manual Arc welding. All three major welding processes, used for different applications, are carried out with a single welding machine. All applications, from welding aluminium and stainless steel extrusions to heavy machinery construction and ship building, are carried out with optimal results and top weld quality (spatter-free welding, no weld finishing). This is achieved by a newly designed secondary inverter and a new, patented display control unit. Three rotary switches and a LCD display provide the operator with complete control for all welding processes. In addition the operator can store different welding parameters and recall these when required (MIG/MAG and TIG only). Both the OMEGA 400 SEK/W and SEK/WX have an electronically controlled choke, providing for spatter-free welding. Also the operator can choose between a hard or soft arc. The complete unit is constantly monitored by a fault detection unit. In the event of an internal or external fault the cause is shown in the display in plaintext. All electronic components are protected against dust built-up. The LCD-display is protected by an impact-resistant plexiglass panel. All electronic components are electrically separated and short-circuit proof, the control circuits are thus potential free and safe from harm by defective power cables etc. Both machines conform to the EN 60974/1 standard. Model OMEGA 400 SEK/WX is a TIG welding machine only; it can be adapted later to the MIG/MAG function by connecting the external Wire Feed Unit SDV 250 RC (see 4.2 below). 1.1 Scope of Application suitable for operation in areas with increased electrical hazard (S) MIG/MAG welding (stepless control) TIG DC welding in 2- and 4-cycle mode TIG AC welding in 2- and 4-cycle mode TIG AC/DC pulse welding manual arc welding (stick welding) separate wire feeder can be connected computer interface to connect to welding robots suitable for welding of low-carbon steels, steel alloys, NF-metals and aluminium. 1.2 Important Information MIG/MAG torch and/or TIG torch/electrode holder can both be connected to the machine at the same time, but both are under current when the welding current is activated. The torch not in use has to be placed on an insulated pad or backing. This allows for a quick change-over to a different welding process by simply setting the to a different welding mode. The MIG/MAG torch's trigger switch and the red button of the TIG torch work parallel, i.e. with the machine in TIG mode it welding can be started by engaging the MIG/MAG torch trigger switch, and vice versa!! Do not use a foot control unit and a TIG torch with remote control potentiometer at the same time, as these will interfere with each other. ^Important: Do not operate near data processing equipment. Ensure potential separation for computer interface. 1.1 User Responsibility This machine will perform in conformity with the description contained in the instructions provided. This machine must be checked periodically. Defective equipment (including service leads) should not be used. Parts that are broken, missing, plainly worn, distorted or contaminated, should be replaced immediately. Should such repair or replacement become necessary, it is recommended that such repairs are carried out by qualified persons approved by Elektra Beckum or their representatives. This machine or any of its parts should not be altered from standard specifications. The user of this machine shall have the sole responsibility forany malfunction which results from improper use or unauthorized modification from standard specifications, faulty maintenance, damage or improper repair by anyone other than qualified persons approved by Elektra Beckum or their representatives. ^ Do not disassemble the pressure regulator. It may explode if re-assembled incorrectly. Danger of personal injury!! J 1.2 System Component Combinations MIG/MAG-TIG AC/DC 400 SEK/W TIG AC/DC 400SEK/WX Description Stock-no. 0021084107 0021084000 MIG torch, 3 mtr leads 090 200 8330 X . ...

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