Kemppi Minarc 150 - Welding Selections - Earthing and Welding

EN
3.3 WELDING SELECTIONS
3.3.1 Manual Metal Arc welding (MMA)
Select welding parameters according to ller manufacturer’s
recommendations.
1. Selectpolarity(+or-)ofweldingcurrentcableandreturncurrentcable
according to ller.
2. Select MMA welding with the switch
.
3. Select suitable welding current by adjusting potentiometer.
3.3.2 DC TIG welding
Select welding parameters according to ller manufacturer’s
recommendations.
1. ConnectTIGtorchto-poleandearthcableto+pole
2. Select TIG welding with the switch
.
3. Select suitable welding current by adjusting potentiometer.
3.4 WELDING SELECTIONS
NOTE! Welding fumes may be dangerous to your health, see that there is ample
ventilation during welding! Never look at the arc without face shield made for arc
welding! Protect yourself and your surroundings from the arc and hot spatter!
3.4.1 Earthing
Ifpossible,alwaysxearthcableclampdirectlyontheweldingpiece.
1. Clean connection surface of earth clamp from paint and rust.
2. Connect the clamp carefully so that contact surface is as large as
possible.
3. Finally check that the clamp sits tight.
3.4.2 Welding
See also 3.1. Welding processes and 3.4. Welding selections.
NOTE! It is recommended that you try welding and rate of welding current rst
on something else than the actual work piece.
Youcanstartweldingafterhavingmadethenecessaryselections.Arcislit
by scratching the welding piece with electrode. Length of arc is regulated by
holding electrode tip at a suitable distance from welding piece. Suitable arc
length is usually about half the diameter of the electrode core wire. When
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Minarc 150, 151, 150 VRD, 120/150 AU / © Kemppi Oy / 0901