Question about Welding Tools
I repaired 2 speed control wires on wire drive motor. Welder model and serial no's: K1766-1 10564 N1010820087
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Posted on Jan 02, 2017
SOURCE: Mig welder
Sometimes dirt builds up at the beginning of the liner, at the drive. Eventually the dirt jams in there so much that it gets very hard to push the wire through it. Carefully cut the wire between the spool and the drive and secure it to the spool through a hole, so it doesn't unspool into a bird nest, then disengage the drive roller, the wire should pull out of the tip freely. If you feel resistance when you pull it out, either there is dirt at the beginning of the liner, or the contact tip is causing resistance. Without the wire in the drive, turn on the machine and try it watching the drive. Does the drive work freely now? Does it change speed with the rheostat? If its a problem with dirt, this is what I do, after you get the wire threaded back through the drive, liner and contact tip, and everything is working, take a small clean cotton rag and simply tie it around the migwire between the spool and the drive, in a way that the drive can't **** it in. This will constantly clean any dust/dirt off the wire before it goes through your expensive drive and liner. Whenever you change the spool, change the rag. Hope this helps, and please post your results.
Posted on Feb 08, 2009
try readjusting your feed rollers(tension),plus make sure that your feed rollers are set for the right size wire your using.
Posted on Jul 29, 2009
Speed control potentiometer is good place to look.
Put meter leads on it, set to ohms position and see if there is a variation in ohm values when rotating knob. If not it is bad. Take it out and spray it with panther ****, sorry, cleaning lubricate and see if that will fix it before buying new one.
Posted on Aug 24, 2009
My Century 225 mig has lost its power ...with adjustments to max it leaves a high weld deposit and low penertration.
What is the fix ?
Posted on Nov 05, 2009
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