Kemppi Minarc 150 Operating Manual

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

Contents

ENarc is lit move the electrode slowly forwards tilting it to appr. 10-15° pullingangle. If necessary, adjust current value.Shielding gas is used in DC TIG welding. Your dealer will give you advice onchoosing gas and equipment. Open the gas valve on the TTM 15V TIG torch.When gas starts to flow, arc is lit by lightly scratching work piece with the tipof the tungsten electrode. When arc is lit, its length is regulated by holdingthe tip of the tungsten electrode at a suitable distance from the work piece.Move the torch forwards from the starting point, usually in appr. 10-15°pushing angle forwards. If necessary, regulate current rate. Stop welding bylifting the torch off the welding piece and by closing the gas valve on thetorch.NOTE! Always fix the gas cylinder so that it stays steadily in upright positioneither in specially made wall rack or cylinder trolley. Always close the cylindervalve after having finished welding.3.5 stOringStore the unit in a clean and dry place. Shield it from rain, and intemperatures exceeding +25 °C from direct exposure to sun.4. 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.13Minarc 150, 151, 150 VRD, 120/150 AU / © Kemppi Oy / 0901