Check gas bottle levels. Ensure regulator is open. Move indoors or switch to flux-cored wire. Check polarity settings. Thermal overload protection activated.
Best for clean, splatter-free welds on thin sheet metal and car body panels.
This setup produces clean, slag-free welds perfect for indoor shop work and thin sheet metal.
The core feature of the "Dual" MIG 120 is its ability to swap polarities. Incorrect polarity causes excessive spatter and poor penetration. cem dual mig 120 manual
Ensure the work clamp is connected to the negative (-) terminal and the torch is positive (+). C. Setting Up for Flux-Cored (Gasless) Welding
Do you plan on running the welder with or as a gasless flux-cored setup ? Share public link
Torch should be Positive (+) and the Earth Clamp Negative (-) . Check gas bottle levels
A: This is usually a wire feed speed (WFS) issue. Try increasing the wire feed speed setting slightly. If you are welding with a standard MIG torch, try holding the gun with a longer "stickout" (the distance from the contact tip to the workpiece). A ½" to ¾" tip-to-work distance is a good starting point.
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Increase the tension on the wire drive rollers and ensure the spool tension is not too tight. Check polarity settings
Since CEM is a legacy brand, you won't find this manual on a shiny corporate support page. Here are the best places to find a digital copy:
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