EWM WEGA 351 Operating Instructions Manual page 5

5.2.3
5.2.4
5.2.5
5.2.6
6 Commissioning .................................................................................................................................... 48
6.1 General ........................................................................................................................................ 48
6.2 Area of application - proper usage.............................................................................................. 48
6.3 Installation .................................................................................................................................... 48
6.4 Mains connection ......................................................................................................................... 48
6.5 Machine cooling ........................................................................................................................... 48
6.6 Adding coolant ............................................................................................................................. 49
6.6.1
6.7 Workpiece lead, general .............................................................................................................. 49
6.8 Welding torch and workpiece line connection ............................................................................. 49
6.8.1
6.9 Shielding gas supply .................................................................................................................... 54
6.9.1
6.9.2
6.9.3
6.10 Inserting the wire electrode.......................................................................................................... 56
6.10.1
6.10.2
6.10.3
6.10.4
6.10.5
6.10.6
7 Maintenance and care.......................................................................................................................... 60
7.1 General ........................................................................................................................................ 60
7.2 Cleaning ....................................................................................................................................... 60
7.3 Repetition test .............................................................................................................................. 60
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.6
7.3.7
7.3.8
7.4 Repair Work ................................................................................................................................. 63
7.5 Disposing of equipment ............................................................................................................... 64
7.5.1
7.6 Meeting the requirements of RoHS ............................................................................................. 64
8 3-Year Warranty.................................................................................................................................... 65
8.1 General Validity............................................................................................................................ 65
8.2 Warranty Declaration ................................................................................................................... 66
9 Operating problems, causes and remedies ...................................................................................... 67
9.1 Customer checklist....................................................................................................................... 67
10 Accessories, options ........................................................................................................................... 68
10.1 General accessories .................................................................................................................... 68
10.2 Options......................................................................................................................................... 69
11 Circuit diagrams ................................................................................................................................... 70
11.1 WEGA KG, KW (M1.01)............................................................................................................... 70
11.2 WEGA KG, KW (M1.02)............................................................................................................... 71
11.3 WEGA KG, KW (M2.20/M2.40) ................................................................................................... 72
Item No.: 099-004934-EWM01
Latched operation......................................................................................................... 45
Spots............................................................................................................................. 46
Interval .......................................................................................................................... 47
MIG/MAG automatic cut-out......................................................................................... 47
List of coolants.............................................................................................................. 49
Intermediate tube package connection ........................................................................ 52
6.8.1.1 Wire feed unit ................................................................................................ 52
6.8.1.2 Welding machine........................................................................................... 53
Connecting the shielding gas supply............................................................................ 54
Gas test or "rinse tube package" .................................................................................. 55
Setting the shielding gas quantity................................................................................. 55
Removing the wire feed unit cover ............................................................................... 56
Fixing of the pin reel (adjustment of the pre-tensioning) .............................................. 56
Inserting the wire spool................................................................................................. 57
Changing the wire feed rollers...................................................................................... 57
Inching the wire electrode ............................................................................................ 58
Spool brake setting....................................................................................................... 59
Test intervals and scope............................................................................................... 61
Documentation of the test ............................................................................................ 61
Visual inspection........................................................................................................... 61
Measurement of protective conductor resistance ........................................................ 61
Measurement of insulation resistance.......................................................................... 62
Measuring the leakage current (protective conductor and contact current)................. 62
Measuring the open circuit voltage............................................................................... 62
Function test of the welding machine ........................................................................... 62
Manufacturer's declaration to the end user .................................................................. 64
Contents
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