Welding Selections - Kemppi Minarc 150 Operating Manual

3.3

WelDing seleCtiOns

3.3.1 Manual Metal arc welding (MMa)
Select welding parameters according to filler manufacturer's
recommendations.
1. Select polarity (+ or -) of welding current cable and return current cable
2.
3.
3.3.2 DC tig welding
Select welding parameters according to filler manufacturer's
recommendations.
1. Connect TIG torch to - pole and earth cable to + pole
2.
3.
3.4 WelDing seleCtiOns
NOTE!
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 fix earth cable clamp directly on the welding piece.
1.
2.
EN
3.
3.4.2 Welding
See also 3.1. Welding processes and 3.4. Welding selections.
NOTE!
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
12
according to filler.
Select MMA welding with the switch
Select suitable welding current by adjusting potentiometer.
Select TIG welding with the switch
Select suitable welding current by adjusting potentiometer.
Welding fumes may be dangerous to your health, see that there is ample
Clean connection surface of earth clamp from paint and rust.
Connect the clamp carefully so that contact surface is as large as
possible.
Finally check that the clamp sits tight.
It is recommended that you try welding and rate of welding current first
.
.