Kemppi MIG 2520 - Manual (Page 7)

Kempact mig 50 / 0635 – © Kemppi oy
3.2. TO SELECT POLARITY FOR WELDING
Solid wire is usually welded in + pole and cored wire in - pole gun. Check for the recommended
polarity on the package or consult th esupplier of the product. The welding of very thin plates (0.5
to 0.7 mm) - polarity might also work best for solid wire.
3.2.1. Changing the polarity
+ pole
- pole
Thermostat signal light
MIG welding dynamics adjustment
ON signal light
Selecting welding
procedure (2T/4T)
Wire feed adjustment
Welding voltage adjustment
Only a service shop authorised by Kemppi may change the polarity.
3.3. PANEL
Adjusting voltage and wire feed speed
The welding voltage can be adjusted from 10 to 30 V, and the wire feed speed from 1 to 18 m/min.
Adjust the values appropriately by using the table of guideline values on the door of the wire
compartment and by testing.