EWM Pico 162 - Comprehensive Safety Instructions; Intended Use and Applications; Machine Overview and Component Identification; Design Features and Operational Functions

Contents
Notes on the use of these operating instructions
099-002040-EW501
28.04.2014
3
1 Contents
1
Contents .................................................................................................................................................. 3
2 Safety instructions ................................................................................................................................. 5
2.1 Notes on the use of these operating instructions .......................................................................... 5
2.2 Explanation of icons ....................................................................................................................... 6
2.3 General .......................................................................................................................................... 7
2.4 Transport and installation ............................................................................................................ 11
2.4.1 Ambient conditions ....................................................................................................... 12
2.4.1.1 In operation ................................................................................................... 12
2.4.1.2 Transport and storage ................................................................................... 12
3 Intended use ......................................................................................................................................... 13
3.1 Applications .................................................................................................................................. 13
3.1.1 MMA welding ................................................................................................................ 13
3.1.2 TIG (Liftarc) welding ..................................................................................................... 13
3.2 Machine variants .......................................................................................................................... 13
3.2.1 Multi-voltage machine (MV) .......................................................................................... 13
3.2.2 Voltage reducing device (VRD) .................................................................................... 13
3.3 Documents which also apply ....................................................................................................... 14
3.3.1 Warranty ....................................................................................................................... 14
3.3.2 Declaration of Conformity ............................................................................................. 14
3.3.3 Welding in environments with increased electrical hazards ......................................... 14
3.3.4 Service documents (spare parts and circuit diagrams) ................................................ 14
3.3.5 Calibration/Validation ................................................................................................... 14
4 Machine description – quick overview .............................................................................................. 15
4.1 Front view .................................................................................................................................... 15
4.2 Rear view ..................................................................................................................................... 16
4.3 Machine control – Operating elements ........................................................................................ 17
5 Design and function ............................................................................................................................. 18
5.1 Transport and installation ............................................................................................................ 19
5.1.1 Adjusting the length of the carrying strap ..................................................................... 19
5.2 Machine cooling ........................................................................................................................... 20
5.3 Workpiece lead, general .............................................................................................................. 20
5.4 Mains connection ......................................................................................................................... 21
5.4.1 Mains configuration ...................................................................................................... 21
5.5 MMA welding ............................................................................................................................... 22
5.5.1 Connecting the electrode holder and workpiece lead .................................................. 22
5.5.2 Selecting MMA welding ................................................................................................ 23
5.5.2.1 Arcforce ......................................................................................................... 23
5.5.2.2 Hotstart current and Hotstart time ................................................................. 23
5.5.2.3 Antistick ......................................................................................................... 23
5.6 TIG welding .................................................................................................................................. 24
5.6.1 Shielding gas supply (shielding gas cylinder for welding machine) ............................. 24
5.6.1.1 Connecting the shielding gas supply ............................................................ 24
5.6.1.2 Connecting a TIG welding torch with rotating gas valve ............................... 26
5.6.1.3 TIG welding selection .................................................................................... 27
5.6.1.4 TIG arc ignition .............................................................................................. 27
5.7 Dirt filter ........................................................................................................................................ 28
6 Maintenance, care and disposal ......................................................................................................... 29
6.1 General ........................................................................................................................................ 29
6.2 Maintenance work, intervals ........................................................................................................ 29
6.2.1 Daily maintenance tasks .............................................................................................. 29
6.2.2 Monthly maintenance tasks .......................................................................................... 29
6.2.3 Annual test (inspection and testing during operation) .................................................. 29
6.3 Maintenance work ........................................................................................................................ 30
6.4 Disposing of equipment ............................................................................................................... 30
6.4.1 Manufacturer's declaration to the end user .................................................................. 30
6.5 Meeting the requirements of RoHS ............................................................................................. 30