EWM microplasma 20 - 1 Contents; Table of Contents

Contents
Safety instructions
099-007010-EW501
07.09.2016
3
1 Contents
1 Contents .................................................................................................................................................. 3
1.1 Safety instructions .......................................................................................................................... 5
1.2 Notes on the use of these operating instructions .......................................................................... 5
1.2.1 Explanation of icons ....................................................................................................... 6
1.3 Safety instructions .......................................................................................................................... 7
1.4 Transport and installation ............................................................................................................ 11
2 Intended use ......................................................................................................................................... 12
2.1 Documents which also apply ....................................................................................................... 12
2.1.1 Warranty ....................................................................................................................... 12
2.1.2 Declaration of Conformity ............................................................................................. 12
2.1.3 Welding in environments with increased electrical hazards ......................................... 12
2.1.4 Service documents (spare parts and circuit diagrams) ................................................ 12
2.1.5 Calibration/Validation ................................................................................................... 12
3 Machine description – quick overview .............................................................................................. 13
3.1 Front view .................................................................................................................................... 13
3.1.1 microplasma 20, 50 ...................................................................................................... 13
3.1.2 microplasma 120 .......................................................................................................... 15
3.2 Rear view ..................................................................................................................................... 17
3.3 Machine control – Operating elements ........................................................................................ 18
4 Design and function ............................................................................................................................. 19
4.1 Transport and installation ............................................................................................................ 19
4.1.1 Ambient conditions ....................................................................................................... 19
4.1.1.1 In operation ................................................................................................... 19
4.1.1.2 Transport and storage ................................................................................... 19
4.1.2 Machine cooling ............................................................................................................ 20
4.1.3 Workpiece lead, general ............................................................................................... 20
4.1.4 Welding torch cooling system ....................................................................................... 20
4.1.4.1 Connection .................................................................................................... 20
4.1.5 Notes on the installation of welding current leads ........................................................ 21
4.1.5.1 Stray welding currents................................................................................... 22
4.1.6 Mains connection .......................................................................................................... 23
4.1.6.1 Mains configuration ....................................................................................... 23
4.1.7 Shielding and plasma gas supply ................................................................................. 24
4.1.7.1 Pressure regulator connection ...................................................................... 24
4.1.7.2 Shielding gas hose connection ..................................................................... 25
4.1.7.3 Gas test ......................................................................................................... 26
4.1.8 Welding torch and workpiece line connection .............................................................. 27
4.1.8.1 microplasma 20, 50 ....................................................................................... 27
4.1.8.2 microplasma 120 ........................................................................................... 28
4.1.9 Function sequences/operating modes ......................................................................... 29
4.1.9.1 Currentless Test - Simulation mode .............................................................. 29
4.1.9.2 Explanation of signs and functions ............................................................... 29
4.1.9.3 Non-latched operation without Up- und Downslope ..................................... 29
4.1.10 Welding task selection .................................................................................................. 32
4.1.10.1 Pilot arc ......................................................................................................... 32
4.2 Remote control ............................................................................................................................. 33
4.2.1 FR21 14POL ................................................................................................................. 33
4.3 Interfaces for automation ............................................................................................................. 34
4.3.1 Remote control connection socket, 14-pole ................................................................. 34
5 Maintenance, care and disposal ......................................................................................................... 35
5.1 General ........................................................................................................................................ 35
5.2 Maintenance work, intervals ........................................................................................................ 35
5.2.1 Daily maintenance tasks .............................................................................................. 35
5.2.1.1 Visual inspection ........................................................................................... 35
5.2.1.2 Functional test ............................................................................................... 35
5.2.2 Monthly maintenance tasks .......................................................................................... 36