ENCONTENTS1. Introduction................................................................................... 31.1 General ....................................................................................................................................... 31.2 About welding ......................................................................................................................... 32. Using the machine......................................................................... 42.1 Before use .................................................................................................................................. 42.2 Machine introduction ........................................................................................................... 42.3 Distribution network ............................................................................................................. 42.4 Connecting cables ................................................................................................................. 42.4.1 Connecting to mains ....................................................................................................... 52.4.2 Earth return cable ............................................................................................................ 52.4.3 Shielding gas.................................................................................................................... 52.4.4 Welding gun..................................................................................................................... 62.5 Installing filler wire................................................................................................................. 62.5.1 Mounting the wire spool................................................................................................. 62.5.2 Feeding in the welding wire ........................................................................................... 72.5.3 Setting the pressure of the feed rolls ............................................................................. 72.5.4 Setting the spool brake force.......................................................................................... 82.5.5 Changing the feed rolls ................................................................................................... 92.6 Controlling welding functions ........................................................................................ 102.6.1 Control panel functions................................................................................................. 102.6.2 Controls inside the machine ......................................................................................... 102.6.3 Selecting the gun operating mode .............................................................................. 112.6.4 Adjusting the shielding gas flow .................................................................................. 112.6.5 Reversing polarity .......................................................................................................... 122.7 Troubleshooting ................................................................................................................... 133. Maintenance ................................................................................ 143.1 Daily maintenance ............................................................................................................... 143.2 Maintenance of the wire feed mechanism ................................................................. 143.2.1 Cleaning the gun wire liner .......................................................................................... 143.2.2 Replacing the wire liner................................................................................................. 143.3 Disposal .................................................................................................................................... 144. Ordering codes ............................................................................ 155. Technical data .............................................................................. 15FitWeld 3002