FastMig M 420MV
2
EN
CONTENTS
1. Introduction ......................................................................................................................... 3
1.1 General ....................................................................................................................................... 3
1.2 About FastMig M 420MV ..................................................................................................... 4
1.2.1 Operation control and connectors ................................................................................. 4
1.3 Accessories ................................................................................................................................ 4
1.3.1 Remote control devices ................................................................................................... 4
1.3.2 Cables ............................................................................................................................... 5
2. Installation ............................................................................................................................. 6
2.1 Positioning of the machine ................................................................................................ 6
2.2 Distribution network ............................................................................................................. 6
2.3 Connection to the mains supply ...................................................................................... 7
2.4 Welding and earth return cables ...................................................................................... 7
3. Operation controls ........................................................................................................... 8
3.1 Main switch I/O ....................................................................................................................... 8
3.2 Pilot lamps ................................................................................................................................. 8
3.3 Operation of cooling fan ..................................................................................................... 8
4. Manual metal arc welding .......................................................................................... 8
5. Maintenance ........................................................................................................................ 9
5.1 Daily maintenance ................................................................................................................. 9
5.2 Periodic maintenance ........................................................................................................... 9
5.3 Service Workshop maintenance ....................................................................................... 9
6. Operation disturbances .............................................................................................10
7. Disposal of the machine ............................................................................................10
8. Ordering numbers .........................................................................................................11
9. Technical data ...................................................................................................................12
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