Welding guides
Parts, troubleshooting, equipment, and life in the trade. Browse by topic or search below.
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ESAB MIG Gas Flow Troubleshooting: Porosity, Nozzle Blockage, Gas Leaks, Flowmeter Settings, and Torch Checks
ESAB MIG gas flow problems usually show up as porosity, pinholes, black soot, popping starts, oxidized welds, or welds that look contaminated even when the wire feed feels normal. On ESAB Rebel,…
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Lincoln MIG Burnback Troubleshooting: Contact Tip, Liner Drag, Wire Feed Speed, Drive Rolls, and Magnum Gun Checks
Lincoln MIG burnback happens when the wire melts back into the contact tip instead of feeding cleanly into the weld puddle. The usual symptom is a sharp pop, the arc stops, and…
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ESAB Rebel Wire Feeding Problems: Drive Rolls, Liner Drag, Contact Tip Burnback, and Spool Tension
ESAB Rebel wire feeding problems usually show up as stuttering wire, drive-roll slipping, birdnesting, burnback into the contact tip, wire shavings, or feed that changes when the MIG gun cable bends. Start…
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Weld Wall: Built for Welders Who Actually Build Things
Most welding websites only show polished finished products. Perfect welds. Perfect lighting. Perfect shops. That is not real life. Real welding is shop repairs at 7 PM. Fabrication projects halfway through completion.…
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Why an Air Carbon Arc Gouging Torch Sputters Instead of Cutting Clean
When an air carbon arc gouging torch sputters, spits molten metal back, or leaves a rough wash instead of a clean groove, the problem is usually not one single part. It is…
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Lincoln Magnum PRO Gun Liner Replacement Guide: Wire Drag, Burnback, Birdnesting, and Fitment Checks
Wire drag, repeated burnback, birdnesting, debris and sensitivity to gun-cable bends are reasons to inspect the wire-feed path. They do not prove that the liner is the only fault. Replace a liner…
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Lincoln POWER MIG Wire Feed Troubleshooting: Drive Rolls, Liner Drag, Contact Tip Burnback, and Spool Tension
Lincoln POWER MIG wire feed problems usually start in the feed path, not the control board. If the wire stutters, surges, slips, birdnests, burns back into the contact tip, or feeds only…
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Millermatic 355 Wire Feed Troubleshooting and Bernard BTB AccuLock S Compatibility
If a Millermatic 355 has wire stutter, burnback, birdnesting, poor starts, heavy spatter, or aluminum feeding problems, start with the wire path and gun setup before replacing boards, drive motors, or control…
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Millermatic 252 Wire Feed Troubleshooting and MDX-250 Consumable Compatibility
If a Millermatic 252 has wire stutter, burnback, birdnesting, poor arc starts, heavy spatter, or drive roll slipping, troubleshoot the complete wire path before replacing electrical parts. The machine is a MIG…
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Millermatic 142 Wire Feed Troubleshooting and MDX-100 Consumable Compatibility
If a Millermatic 142 stutters, slips, burns wire back into the contact tip, birdnests at the feeder, or makes heavy spatter, start with the wire path before blaming the control board or…