EWM WEGA 351, Руководство по эксплуатации

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Contents
Notes on the use of these operating instructions
Item No.: 099-004934-EWM01 5
5.2 MIG/MAG functional sequences / operating modes .................................................................... 45
5.2.1 Explanation of signs and functions............................................................................... 45
5.2.2 Non-latched operation .................................................................................................. 46
5.2.3 Latched operation......................................................................................................... 47
5.2.4 Spots ............................................................................................................................ 48
5.2.5 Interval.......................................................................................................................... 49
5.2.6 MIG/MAG automatic cut-out......................................................................................... 49
6 Commissioning .................................................................................................................................... 50
6.1 General ........................................................................................................................................ 50
6.2 Area of application – proper usage.............................................................................................. 50
6.3 Installation.................................................................................................................................... 51
6.4 Mains connection ......................................................................................................................... 51
6.5 Machine cooling ........................................................................................................................... 51
6.6 Coolant......................................................................................................................................... 52
6.6.1 List of coolants.............................................................................................................. 52
6.6.2 Adding coolant.............................................................................................................. 52
6.7 Workpiece lead, general .............................................................................................................. 53
6.8 Welding torch and workpiece line connection ............................................................................. 53
6.8.1 Intermediate tube package connection ........................................................................ 56
6.8.1.1 Wire feed unit ................................................................................................ 56
6.8.1.2 Welding machine........................................................................................... 58
6.9 Shielding gas supply .................................................................................................................... 59
6.9.1 Connecting the shielding gas supply............................................................................ 59
6.9.2 Gas test or "rinse tube package".................................................................................. 60
6.9.3 Setting the shielding gas quantity................................................................................. 60
6.10 Inserting the wire electrode.......................................................................................................... 61
6.10.1 Fixing the wire spool retainer (pre-tension adjustment) ............................................... 61
6.10.2 Spool brake setting....................................................................................................... 62
6.10.3 Inserting the wire spool ................................................................................................ 63
6.10.4 Changing the wire feed rollers...................................................................................... 64
6.10.5 Inching the wire electrode ............................................................................................ 65
7 Maintenance and testing ..................................................................................................................... 66
7.1 General ........................................................................................................................................ 66
7.2 Cleaning....................................................................................................................................... 66
7.3 Test .............................................................................................................................................. 67
7.3.1 Test equipment............................................................................................................. 67
7.3.2 Scope of the test........................................................................................................... 68
7.3.3 Visual inspection........................................................................................................... 68
7.3.4 Measuring the open circuit voltage............................................................................... 68
7.3.5 Measurement of insulation resistance.......................................................................... 68
7.3.6 Measuring the leakage current (protective conductor and contact current)................. 69
7.3.7 Measurement of protective conductor resistance ........................................................ 69
7.3.8 Functional test of the welding machine ........................................................................ 69
7.3.9 Documentation of the test ............................................................................................ 69
7.4 Repair Work ................................................................................................................................. 70
7.5 Disposing of equipment ............................................................................................................... 71
7.5.1 Manufacturer's declaration to the end user .................................................................. 71
7.6 Meeting the requirements of RoHS ............................................................................................. 71
8 Warranty................................................................................................................................................ 72
8.1 General Validity............................................................................................................................ 72
8.2 Warranty Declaration ................................................................................................................... 73