Welcome to the site iuec973_welder. Does your G8000 have the by=pass capacitor installed? Here's a link to the HF unit manual for more information. (page 7) http://www.lincolnelectric.com/assets/servicenavigator-public/lincoln3/im298.pdf Hey Fat Bob; Yes, I put the capacitor in according to the ins...

Hello. I just registered. I have this hi-freq unit I use on a Lincoln G8000 machine, with Argon to TIG. I have trouble doing aluminum. The puddle doesn't want to advance. The filler metal wants to build up and fall to the underside. Using a backing plate doesn't help. Stainless welds appear dark ins...