Contents
Notes on the use of these operating instructions
099-002032-EW501
29.04.2010
3
1
Contents
1
Contents.................................................................................................................................................. 3
2
Safety instructions................................................................................................................................. 5
2.1
Notes on the use of these operating instructions .......................................................................... 5
2.2
General .......................................................................................................................................... 7
2.3
Transport and installation ............................................................................................................ 10
2.4
Ambient conditions....................................................................................................................... 11
2.4.1
In operation................................................................................................................... 11
2.4.2
Transport and storage .................................................................................................. 11
3
Intended use ......................................................................................................................................... 12
3.1
Applications.................................................................................................................................. 12
3.1.1
MMA welding ................................................................................................................ 12
3.1.2
TIG (Liftarc) welding ..................................................................................................... 12
3.2
Overview of device types............................................................................................................. 12
3.2.1
Cellulose electrode types (cel) ..................................................................................... 12
3.2.2
Pole reversing switch (pws).......................................................................................... 12
3.2.3
Voltage reducing device (VRD/SVRD) ......................................................................... 12
3.3
Documents which also apply ....................................................................................................... 13
3.3.1
Warranty ....................................................................................................................... 13
3.3.2
Declaration of Conformity ............................................................................................. 13
3.3.3
Welding in environments with increased electrical hazards......................................... 13
3.3.4
Service documents (spare parts and circuit diagrams) ................................................ 13
4
Machine description – quick overview .............................................................................................. 14
4.1
Pico 300 cel ................................................................................................................................. 14
4.1.1
Front view ..................................................................................................................... 14
4.1.2
Rear view...................................................................................................................... 16
4.2
Machine control – Operating elements ........................................................................................ 18
5
Design and function............................................................................................................................. 20
5.1
General ........................................................................................................................................ 20
5.2
Machine cooling ........................................................................................................................... 20
5.3
Workpiece lead, general .............................................................................................................. 20
5.4
Transport and installation ............................................................................................................ 21
5.4.1
Adjusting the length of the carrying strap ..................................................................... 21
5.5
Mains connection ......................................................................................................................... 22
5.5.1
Mains configuration ...................................................................................................... 22
5.6
MMA welding ............................................................................................................................... 23
5.6.1
Connecting the electrode holder and workpiece lead .................................................. 23
5.6.1.1
Pico 300 cel................................................................................................... 23
5.6.1.2
Pico 300 cel pws ........................................................................................... 24
5.6.2
Selecting MMA welding ................................................................................................ 26
5.6.2.1
Arcforce (welding characteristics) ................................................................. 26
5.6.3
Hotstart current and Hotstart time ................................................................................ 27
5.6.4
Antistick ........................................................................................................................ 28
5.6.5
Advanced settings ........................................................................................................ 28
5.6.5.1
Arcforce correction (welding characteristics) ................................................ 28
5.7
TIG welding.................................................................................................................................. 29
5.7.1
Shielding gas supply (shielding gas cylinder for welding machine) ............................. 29
5.7.1.1
Connecting the shielding gas supply ............................................................30
5.7.2
Connecting a TIG welding torch with rotating gas valve .............................................. 31
5.7.2.1
Pico 300 cel................................................................................................... 31
5.7.2.2
Pico 300 cel pws ........................................................................................... 32
5.7.3
TIG welding selection ................................................................................................... 33
5.7.4
TIG arc ignition ............................................................................................................. 33
5.7.4.1
Liftarc ignition ................................................................................................ 33
