Lincoln Welding Tools - Recent Questions, Troubleshooting & Support

probably circuit board, i might have one , email me user name hoss805 on

Lincoln Electric... | Answered on Sep 16, 2019

Call Lincoln Electric. A Lincoln service Center will help also.

Lincoln Welding... | Answered on Jun 16, 2019

The best upgrade to do first is upgrading the pitiful ground clamp that comes on these, same for any modern welder, I got one from Harbor Freight for $90, and a Lincoln for $369, both had the same pitiful ground clamp. I'll attach a picture/link to a sufficient clamp- it made a huge difference with mine! Tips and the Wire You Use can make a big difference too! Larger Wire is Helpful Too- I'm talking about larger gauge wire that runs to attaches to your ground clamp, try the clamp first and see if it helps, be sure your settings are right and you're plugged directly in to a good power source, no extension cords!

Lincoln Welding... | Answered on Mar 09, 2019

I would say there is no electrical contact on that setting. Check this first. Good Luck Friend.

Lincoln Welding... | Answered on Oct 02, 2018

all welders have a duty cycle
That is the length of time that welding can take place before the system shuts down
The time period depends on the amps setting and the higher the amps , the shorter the time
welding at 140 amps the time can be as short as 3 minutes
welding at 20 amps it can be as long as 20 minutes
the duty cycle is normally calculated at around 10% use and 90% cool down

Lincoln Welding... | Answered on Sep 21, 2018

Presumably the wire feed motor is running and driving the wire feed roller?

If this is correct there are a few things to check - when welding it isn't unusual for the wire to become welded to the tip. When this happens a powerful wire feed tends to keep feeding until the wire becomes impossibly tangled and knotted. Low powered wire feed units usually just begin to slip on the wire especially when 0.8 mm or larger wire is being used.

Try removing the welding tip and check if clean new wire will feed smoothly; ensure the correct roller groove is being used for the size of wire.

A welder that is used infrequently often becomes troublesome for a while. Micro-rust forms on the outer layers of wire and some of it is removed as it travels through the torch liner, sometime the liner becomes damaged and should be replaced.

Removing the tip and wire and blowing trough both ends with compressed air should remove any accumulation of dirt and dust. Cut off and discard the outer layers of wire if they have become dull. I spray a little WD-40 on the wire to keep rust at bay and help the wire feed through the liner. Ensure the wire end is neat and straight and with the torch laid straight along the floor allow fresh, clean wire to feed through the liner.

Once a few inches of wire is protruding fit a new tip of the correct size, fit the gas shroud and you are good to go.
If the burn-back rate is adjustable on your machine it should be turned to minimum.

Various things can cause the wire to weld to the tip apart from the burn-back rate - dirty or corroded substrate, holding the welding torch too close to the work, incorrect adjustment of the power/current and wire speed and welding continuously so the tip becomes overheated and if gas is being used, a gas pressure/volume that is too low or perhaps attempting to weld in a draught...

Welding with CO2 gas produces a coarser operation with more spatter and suit some machines more than others. Some machines perform better and more consistently with Argoshield, a mix of CO2 and either 5% or 10% Argon. The added expense might be worth paying.

Lincoln Welding... | Answered on Aug 19, 2018

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