Uploaded July 2014 | Updated September 2026, 2 weeks ago
*UPDATE* - It appears the HF has fixed most of the little issues addressed in this series. These steps will only be necessary if you picked up an older model 2nd hand. The advanced mods series (conversion to DCEN) still applies though.
A short series on very simple things anyone can do to improve the performance and weld quality of a Chicago Electric (a.k.a. Harbor Freight) 90 AMP flux core wire welder.
*UPDATE* - It appears the HF has fixed most of the little issues addressed in this series. These steps will only be necessary if you picked up an older model 2nd hand. The advanced mods series (conversion to DCEN) still applies though.
A short series on very simple things anyone can do to improve the performance and weld quality of a Chicago Electric (a.k.a. Harbor Freight) 90 AMP flux core wire welder.
