Question about Lincoln Electric Plasma Cutter, Pro - Cut 25

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Have to hit back of nozzle to work

We set up the cutter as per instructions, but have to hit back of the nozzle with something for the arc to strike. We this problem and replaced the entire stinger end, but are having the exact same problem.

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Posted on Jan 02, 2017

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SOURCE: My Lincoln SA 200 welder will not rev up when I strike an arc.

check the solenoid make sure its opperating ..you will have to check the whole system.. starting with oil pressure switch making sure it is letting 12v go thrue. and also making sure pc board is grounded . and then checking resistance of the idle solenoid .....also the rhostat has a wire that goes to the pc board and as u strike a arc it idles the welder up

Posted on Sep 14, 2012

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1 Answer

1600mx wont run in forward over load light comes on


Most common reason is that there is paper would around the cutters, imposing an additional load on the machine. You will need to access the cutter assembly (disconnect all power) and manually remove all of the paper that has impinged between the cutters.

If you have run any labels or paper with gummed strips through the cutters, you may wish to consider throwing this one away and buying new. (In all fairness, it "can" be cleaned, but it is going to be a real dickens of a job to do).

If you decide to keep your shredder and clean the cutter assembly, remember to oil it on a regular basis per the instruction manual.

As for me, I use Fellows shredder oil
Fellowes Shredder Oil 12 oz Bottle with Extension Nozzle 35250
and oil my machine every time I dump the cuttings. I run a bead of oil in a serpentine pattern over a sheet of paper and then just shred it. (If you have never oiled the cutters, it may be too late to do so now. Something you need to do on an on-going basis).

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1 Answer

Will not arc


Sounds like the voltage is not going to the tip. I would suggest taking this in for repair.

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1 Answer

Machine turns on, air compressor runs but will not strike an arc


sounds like the voltage is not getting to the tip. I would suggest taking this in for repair.

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1 Answer

Pilot arc is highely spreaded


change the cutting nozzle

Mar 23, 2012 | Hobart Welding Tools

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WHEN I TRY STRIKE AN ARC WITH A ROD YOU HAVE TO HIT IT 5 OR 6 TIMES TO GET IT TO WELD ITS HARD TO KEEP IT GOING BUT AFTER 4 OR 5 SECONDS IT WILL BURN LIKE NORMAL (USING PROPER AMPERAGE)


Is this on new rods as well as one's you'be been already welding with? Depending on rod types, some will "flux over" the end, after welding insulating the tip. When you're welding at a low setting, with a small rod, sometimes it is hard to start an arc. A 7018 rod is a good example of this. Strike the rod like a woodden match, or drag it on the metal, to expose the rod. It also depends on your welder. Some have settings to help start an arc and then control the current. Older transformer welders arn't that smart and are less forgiving on low current thin metal settings.

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1 Answer

Spectrum 2050 plasma cutter will not arc


Possible failure of the trigger switch and or the cable back to the unit. Use an ophmmeter to check that the trigger and cable are good,

Then with the ohmmeter check the continuityu of the cable to the electrodes,

Connectors are always suspect.

These are starting ponts to check.

Mar 04, 2010 | Miller 903777012 SPECTRUM 2050 PLASMA...

1 Answer

No full arc


the spark that you see when you touch work peice is high frequency,recheck connections like good ground (tight and clean)on the unit and work peice.no ground no fire.

Jun 03, 2009 | Welding Tools

1 Answer

Wont arc


If you have water in the system, bad tip or ground it wont spark properly
Domo

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2 Answers

Plasma Cutters support


In this process, an inert gas (in some units, compressed air) is blown at high speed out of a nozzle; at the same time an electrical arc is formed through that gas from the nozzle to the surface being cut, turning some of that gas to plasma. The plasma is sufficiently hot to melt the metal being cut and moves sufficiently fast to blow molten metal away from the

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