A.J. Ebbers Posted November 24, 2015 Share Posted November 24, 2015 Hi all! wondering if it is worth the time to try to repair my Linde UCC 305 welder. all it needs is a new voltage control, which looks to be nothing more then a small rheostat, which is incorporated into a large, complicated looking circuit board. it is a nice old machine, hate to have to scrap it over one small part! thanks, A.J. Quote Link to comment Share on other sites More sharing options...
BIGGUNDOCTOR Posted November 24, 2015 Share Posted November 24, 2015 Definitely fix it. I have one, and it is a great welder. I also know an ironworker who absolutely loves using them. Quote Link to comment Share on other sites More sharing options...
A.J. Ebbers Posted November 26, 2015 Author Share Posted November 26, 2015 I sure would fix it if I could find that one little part and get a little adult supervision to install it! it is a nice machine, absolutely top of the line in its day!!! Quote Link to comment Share on other sites More sharing options...
BIGGUNDOCTOR Posted November 26, 2015 Share Posted November 26, 2015 The community college that I learned to weld at had several UCC305's, The main rheostat would get fried in spots if they were moved during welding. This happened because the welders were stacked, and the students sometimes adjusted the wrong unit while it was under load. For those , they just soldered a new wire across the break. Do you have a picture of the part, and the unit you have? Mine is pretty old, but I was able to get tech help through Linde. That took some phonecalls to reach the right guy, but I got it taken care of. Quote Link to comment Share on other sites More sharing options...
A.J. Ebbers Posted November 28, 2015 Author Share Posted November 28, 2015 well, I think the voltage control is just plain worn out rather then broken, and that this part needs replaced. I could be wrong, but that seems to be the case. Quote Link to comment Share on other sites More sharing options...
BIGGUNDOCTOR Posted November 28, 2015 Share Posted November 28, 2015 You should be able to source a replacement rheostat. See if your local community college has an electronics program. I just did a quick Google search, and got a ton of hits. Quote Link to comment Share on other sites More sharing options...
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