Reinstall the retaining nut, tightening it just enough to prevent the spool from freewheeling when the feed stops. 3. Threading the Wire Drive System Flip down the tension arm on the wire feed mechanism.
Fan-cooled (internal transformer thermal protection) Deciphering the Control Panel
If you’ve recently purchased a CEM Dual MIG 120 or are considering one for your home workshop, you already know that this compact welding machine punches above its weight class. However, like any sophisticated piece of equipment, having access to the is not just recommended—it is essential for safety, performance, and longevity.
Flip the tension arm back up and tighten the tension screw gently. cem dual mig 120 manual
Often two rocker switches (Min/Max and 1/2). Min + 1 = Lowest heat Max + 2 = Highest heat
The Dual MIG 120 is designed primarily for light to medium-duty tasks. 230V (Standard UK/European plug). Amperage Range: Typically adjustable from 30A to 120A.
Adhere to all safety symbols mentioned in the manual, which alert users to potential dangers such as electrocution or poisonous gas release. 2. Technical Characteristics and Features CEM Dual MIG 120 Reinstall the retaining nut, tightening it just enough
If the wire won't feed even with high tension, your torch liner might be kinked or clogged with dust. 5. Troubleshooting Common Issues
Ensure the torch is connected to the negative ( −negative
Automatically shuts down the machine if it overheats. Often two rocker switches (Min/Max and 1/2)
CEM Welding Technologies [insert address] [insert phone number] [insert email]
Open the access panel to reach the wire feed assembly.
Note: Ensure the gas hose is secure and the regulator is set to roughly 6–10 Liters per Minute (LPM). Gasless MIG Welding (Flux-Cored Wire)
While a direct PDF from the original factory is rare, the most active archives for these machines are:
This comprehensive manual provides the essential technical specifications, setup procedures, operating instructions, and troubleshooting steps necessary to use the CEM Dual Mig 120 safely and effectively. 1. Technical Specifications