ENCOntents1. preFaCe ................................................................................................................. 31.1 General .......................................................................................................................... 31.2 Product introduction ............................................................................................ 42. BeFOre yOu start using the unit ............................... 42.1 Unpacking ................................................................................................................... 42.2 Placing the unit ........................................................................................................ 42.3 Serial number ............................................................................................................ 52.4 Main components................................................................................................... 52.5 Distribution network............................................................................................. 62.6 Connecting to power supply mains ............................................................. 62.7 Filler materials and equipment ....................................................................... 63. use................................................................................................................................ 73.1 Welding processes.................................................................................................. 73.1.1 Manual Metal Arc welding (MMA) ........................................................... 73.1.2 TIG welding ...................................................................................................... 73.2 Operating functions .............................................................................................. 83.3 Welding selections ................................................................................................. 93.3.1 Manual Metal Arc welding (MMA) ........................................................... 93.3.2 DC TIG welding ............................................................................................... 93.4 Welding selections .............................................................................................. 103.4.1 Earthing .......................................................................................................... 103.4.2 Welding .......................................................................................................... 103.5 Storing ........................................................................................................................ 104. MaintenanCe............................................................................................ 114.1 Daily maintenance............................................................................................... 114.2 Troubleshooting ................................................................................................... 114.3 Disposal ..................................................................................................................... 125. Ordering nuMBers ......................................................................... 126. teChniCal data ..................................................................................... 132Minarc 150, 151 / © Kemppi Oy / 1117