Question about Welding Tools
Wire speed is controlled by the rheostat attatched to the speed control knob on the front of your welder/Unplug unit, take it apart and see if there is a loose connection going to the rheostat. If all connections look good, either the rheostat is bad or there is a break in the wiring under the plactic coating on the wire that you cannot see. Good luck
Posted on Jul 25, 2009
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Posted on Jan 02, 2017
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
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