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Welder will not feed wire when the tip is screwed onto the liner

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Check to see if tip is correct size for the wire you are using.

Posted on Jul 18, 2009

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1 Answer

My welder won't feed wire it sounds like it's trying to energize but can't. A couple of times it fed through but wouldn't feed to weld so I had stick weld. What happens if the liner has a restriction?


first unscrew the tiny tip at very end of torch (can be hot)!! then try to feed wire thru handle,gently shake cable as you do helps to feed wire thru cable , if successful you have allowed the amps to get too high for the feed rate (slow) and melted the tip closed , these tips are replaceable from miller and are not expensive

Aug 09, 2016 | Miller Multimatic 200 MIG TIG & Stick...

1 Answer

Wire feed is not stable on Hobart handler 135


is this a lower end machine ? the cheaper machines take the power from the welding transformer to power the feed motor and as a result the feed isn't stable, also is the wire liner and tip in good condition if not replace them, try blowing through the liner with compressed air to clear any dust from the wire

Sep 17, 2013 | Hobart Welding Tools

1 Answer

The wire is slipping on the wheels and not feeding to the gun


check the tension on the spool - is it free to rotate ( but not so free it over-runs when you release the trigger)
check the tension on the drive wheels - are they turning and slipping on the wire?
Do you have the correct drive wheels for the wire size? if you're using .8 wire, you need to be using .8 drive wheels (or the .8 grooves if you have multiple grooves.
is there a kink in the liner? pull out the liner (remove the whole gun attachment, usually the liner will slide out from the end where it attaches to the welder). Blow out the liner with an airgun while you're at it as they fill up with crud.
When you reassemble the gun, slide a lenght of wire up the cord and check that you can push it all the way in freely.
Then when you rig the welder, leave the tensioner off the drive rollers, and push the wire into the gun by hand. you'll feel if there are any tight spots ( usually caused by kinks in the liner).
once you've rigged it, clamp the drive rollers shut and adjust the tension until they feed the wire smoothly. (leave the contact tip off the gun when you rig it as the tolerances are so fine that even the small flattening of the wire where you cut it will usually prevent it from feeding into the tip. Once it feeds properly, reshape the cut end of the wire and attach the tip (don't force it over the wire or you' ll just damage it)

Jul 13, 2012 | Welding Tools

1 Answer

Wire feed is sticking when I try to weld. If I increase friction it only jams the wire. I have never cleaned of replaced the liner. Is this my problem? I don't use this welder that much.


Cleanliness is important when it comes to Mig welding. Any rust, dirt, dust, oil is liable to be deposited in the whip liner. If it's just a dirty liner you can try cleaning it with a solvent that doesn't leave an oil deposit (electric motor cleaner, brake cleaner, that sort of thing) compressed air and flexing of the whip.

Make sure your whip hasn't been crimped, if it has then no amount of cleaning will restore it to operation.. a new liner is the only reasonable answer.

It's possible that a bad tip can cause feed issues. Miller type tips are the worst, in my experience, sometimes you just get a tip that will weld to the wire when the current passes between them. I've worked in shops where I might go through three tips in five minutes and then hit one that would last all afternoon. If the wire sticks and you can hold the gun up and rotate your wrist and you feel a 'pop' and the wire jumps out of the tip then just change the tip out. Excessive roller pressure with a tip that's sticking to the wire can really make trouble for you. Nozzle dip is your friend sometimes with tip sticking issues.

Copper clad wire is not particularly friendly to liners, the copper is liable to flake off in the liner. I use bare wire, I bag the wire in a plastic bag on the feeder and I wrap a scratcher pad on the wire just before it goes into the feeder and I find that I have few feed issues. Wire that has even a trace of rust should be discarded as it will both fill your liner with rust and give poor quality welds.

lp

Oct 11, 2010 | Hobart Handler 140 Mig Welder

1 Answer

Having problems with wire feed of Mig 175 any tips to correct issue please?


Need more info! Slipping not enough tension!
Balling up wire in welder: Pinched liner in gun!
Jerking: Tension of spool too loose!
Here are a couple things to check for!

May 16, 2010 | Welding Tools

1 Answer

Wire feed is not feeding properly feed stops and starts


Make sure your wire feed wheels are the proper size for the wire and have enough pressure to feed but not smash the wire. Make sure your tip is clean and make sure your liner isn't getting clogged. Once it's clogged, replace it. Put a wiping felt on the wire, right before it enters the pinch rollers, to keep dust out of your liner. Replace the felt, each time you replace the wire roll.

Sep 18, 2009 | Lincoln Welding Tools

2 Answers

My mig wire melts inside base unit when trigger is pulled


Your liner is grounding some place make shure the tip is not touching any thing but the answer to your question is there is a direct short in your feed hose or tip or liner

Jan 30, 2009 | Lincoln Electric LINK2400-+2 CV-305 MIG...

1 Answer

Seised wire inside feeding tube


You can replace the liner by removing the shroud tip, and pulling the spring (liner) from the machine end of the trifgger cable.
Liners are replaceable.

Dec 23, 2008 | Hobart Handler 140 Mig Welder

1 Answer

Flux core welders are burning up tips, insulators, and leads


Try to turn up the wire feed and the volts and pull the cup 1/8 inch past the tip

Nov 30, 2008 | Campbell Hausfeld MIG / Flux Core Wire...

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