I have a hobart 140 with the small roll of flux core wire (2lb) .030 and tip size of .030 I can weld for about 2 min. and wire clogs in tip. I run a tip cleaner through it and I can weld another min. or two. would going to a tip size of .035 help this problem?
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hobart 140 tip issues
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Two things first: check that the tension on the spool hub isn't too tight... if the feed rollers are slipping because they can't drag wire off the roll, you'll get burnback to the tip. Same thing can happen if your wire's all tangled on the spool. Also, make sure your feed roll pressure isn't too tight. WIth cored wires, if you put too much pressure on them they will deform or "egg" slightly and it will cause jamming in the contact tip. Despite popular opinion, .030 tips are designed for .030 wire, if everything's correct there should be no need to use the wrong size tip to make it work.Trailblazer 302 * Millermatic 212 * Syncrowave 180SD * X-Treme 12VS Feeder * Spoolmate 3035
Thermal Dynamics Cutmaster 52 Plasma * Lincoln 175 MIG
Victor Superrange II * Victor Journeyman
Hobart HH 125EZ
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I was having a problem like that recently. I loosened up the wire spoil a little. Also try untwisting the hose the wire runs through to get to the handle. Sometimes if the hose is twisted it will make it harder for the wire to feed through. Its hard to tell if the hose is twisted because it does not look twisted from the outside.Ky Hulton
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