2. installatiOn2.1 pOsitiOning OF the MaChinePlace the machine on a sturdy, level surface that is dry and does not release dust or otherimpurities to the suction air through the fan grill.< 15˚60˚notes for positioning of the machine• Preferably, situate the machine somewhat above floor level.• The surface inclination may not exceed 15 degrees.• There must be at least 20 cm of free space in front of and behind the machine for coolingair circulation.• Protect the machine against heavy rain and direct sunshine.• Ensure the free circulation of the cooling air.The protection class of the machine, IP 23 S, allows water spray to hit the machine’s outercovering at a maximum angle of 60 degrees.NOTE! Never aim the spray of sparks from a grinding machine toward the device.2.2 COnneCtiOn tO MainsFastMig™ KM power sources are connected to the 400-V three-phase network using the mainscable supplied with the machine.The machine is equipped with a five-metre mains cable that does not have a plug. Before use,check the mains cable and install a mains plug. If the cable does not comply with the localelectrical regulations, replace it with a compliant cable. See ’Technical specifications’.NOTE! The mains cable or plug may be installed or replaced by only an electrical contractor orinstaller authorised to perform such operations.replacement of the mains cable1. Unscrew the mounting screws on the top and sides of the machine, and remove the caseby lifting it.2. Disconnect the phase leads from connectors L1, L2, and L3, and disconnect the protectiveearth lead.3. Pass the cable to the machine through the inlet ring at the rear of the machine, and securethe cable with a cable clamp.4. Connect the cable’s phase leads to connectors L1, L2, and L3.5. Connect the yellow-green protective earth lead to its connector .NOTE! Do not connect the zero lead if you are using a five-lead cable.EN7FastMig KM 300, 400, 500 / © Kemppi Oy /0901FISVNODAENDENLFRESPLRU