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Old 01-12-2008, 09:05 PM
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Lincoln MIG Welder Problem

Hi all,

I have a Lincoln SP 200 MIG welder. I was out in the shop today doing some finish welding on the coupe and the wire stopped feeding. The spool is free and the wire feed drive unit is working. The wire is stuck in the sheath (conduit) between the welder and the gun. I tried to pull the wire free with a pair channel locks and no go. Will I have to replace the whole housing or just the sheath?

Thanks!

1930u

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Old 01-12-2008, 09:09 PM
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You just replace the inner liner.Remove the whole whip from machine and you will see where it comes out from the machine end.
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Old 01-12-2008, 09:20 PM
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Quote:
Originally Posted by speedydeedy
You just replace the inner liner.Remove the whole whip from machine and you will see where it comes out from the machine end.
Thanks speedy now the that coupe is blasted rust free I have really be moving on the project. Why does stuff always break when you need it?

Guess it's a trip to the welder store on Monday.
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Old 01-12-2008, 09:35 PM
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It never breaks when you don't need it because your not using it. LOL. You are doing a nice job on that coupe. You are ahead of me on my 31 model A 5 window.
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Old 01-13-2008, 08:50 AM
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While your at the welding store, pick up some wire cleaners and lube. If you use these all the time, you will reduce wire feed failures to about zero. I haven't replaced a liner in years.
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Old 01-13-2008, 09:02 AM
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Do I just unscrew whip on the machine end and then cut the welding wire to remove the liner sheath?
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Old 01-13-2008, 09:16 AM
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Yes and when you remove the whip there should be an allen screw holding the liner in. The liner has a brass head on it at the machine end.
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Old 01-13-2008, 09:41 PM
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Quote:
Originally Posted by speedydeedy
Yes and when you remove the whip there should be an allen screw holding the liner in. The liner has a brass head on it at the machine end.
Okay sounds easy enough...I'll pick up a liner this week. Thanks for the good words on the Plymouth. Even after all the work so far, I still don't feel like I have anything. Oh well I guess time will tell.

Take care and thanks.
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Old 01-14-2008, 09:02 PM
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Gang,

Picked up the liner today...turns out my Lincoln had a Tweco Mini Mig whip and gun. They didn't have the wire cleaner and lube but will get in soon. The liner was only $14.00. It's turned down right cold again so it will be the weekend before I get back on the coupe. I hate heating the shop up just to work an hour or two during the week. Besides that I need a break.

Thanks for all the info. guys.
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Old 01-20-2008, 06:14 PM
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Got the welder fixed yesterday. I went ahead and replaced the liner but the actual problem was a very small piece of liner inside a brass fitting. It was the first fitting after the wire drive unit before the whip. The wire was all kinked up.

Very easy fix I'm a happy man.

Thank you all for your input!
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Old 01-20-2008, 06:56 PM
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wire feeder

Lincoln sells a kit that includes the drive roll and both guides that will fit many of their feeders. If you have any more problems with it, it would be a good idea to replace the feed rolls and both guides. I have a SP 200 also and had a similar problem with it a few years ago. I replaced the liner and it never did work right until I replaced the drive rolls and guides. I also use a newer and much larger Lincoln at work on a daily basis. We have replaced the drive rolls a couple of times in the past 2 years or so, but it gets a whole lot more use that my old SP 200 does.
Also it doesn't hurt to take the gun loose from the feeder every so often and blow it with compressed air, and also clean out the guides next to the feed roll. It will help the liner and rolls last longer.
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Old 09-22-2008, 03:22 PM
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wire stuck in liner

sorry to butt in that thraed but i have the same problem .i did buy a lincoln mig 140 3 day ago .now i did use a compete 2 pounds roll .so i change it for a new one and it went in about 2 to 3 feet in the cable then it stuck so i try to pull it back using a pair of plyer then the cable broke inside about 5 in in the cable .but it only 3 day old .now i never undo any feed cable before .do you thing i should go back to the store and ask for a replacement .or try to fix it .i am only welding as hobby .but now i am welding a 7x14 trailer frame .one more day and am done .to bad that happen .sorry again to butt in guy .i need some advice here what to do .thank you .
yvesj
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