Kemppi Minarc 120AU Operating Manual

Also see for Minarc 150 AU: Operating instructions Operating manual Operation instructions

Contents

EN4. MaintenanCeNOTE! Be careful when handling electrical cables!In maintaining the unit, take into consideration the rate of use and theenvironment it is used in. When the unit is used properly and servicedregularly, you will avoid unnecessary disturbances in use and production.4.1 daily MaintenanCePerform the following maintenance daily:• Clean electrode holder and TIG torch’s gas nozzle. Replace damaged orworn parts.• Check TIG torch’s electrode. Replace or sharpen, if necessary.• Check tightness of welding and earth cables connections.• Check condition of mains and welding cables and replace damagedcables.• See that there is enough space in front of and back of the unit forventilation.4.2 trOuBleshOOtingProblem CauseThe main switch indicator will notlight upNo electricity connected to the machine• Check the mains supply fuses.• Check the mains cable and plug.Poor welding result Several factors affect the welding quality.• Check that the earthing clamp is firmly attached, the point ofattachment is clean and that the cable and its connectors areintact.• Check that the shielding gas flows out of the torch tip.• Check that the electric voltage is not irregular or too low/high.Overheating indicator lit The device has overheated.• Ensure that cooling air has unrestricted flow.• If the machine’s duty cycle has been exceeded, wait for indicator toturn off.• Too low or high supply voltage.If the machine’s malfunction is not eliminated with these measures, contactKEMPPI service.11Minarc 150, 151 / © Kemppi Oy / 1117