Question about Lincoln Welding Tools
I have a mig welder that after years of great service, started malfunctioning. Upon contacting, the wire immediately sticks to contact tip, and refuses to weld. I have changed tips, liners, and set tension on wheel. I have checked the voltage at electrode, and momentarily have 40v, then it drops to selected voltage. I have checked the primary wiring,capacitor bank, scr and diode and have found nothing out order. I don't know what to do next, any suggestions would be much appricated. Regards, Paul
When you pull the trigger the wire should feed imediately, if it dosn't then this will give you the problem. first check the clutch on the wire spool, this is in the centre post that the spool goes on the nut/screw should allow the wire spool to turn easly without tention,
if the spool runs on adjust the cluch. Check the shaft that the rollers are atached they should be held with key-way to stop them slipping, re-adjust the WFS ensure the wire feeds fast or slow as you rotate the WFS control and ensure the wire feeds instantly, lastly make shore the rollers are correct: the right size
Posted on Feb 27, 2009
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Posted on Jan 02, 2017
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