Question about Miller SPECTRUM 625 SPECTRUM PLASMA CUTTER 907058

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Miller spectrum 625 extreme plasma cutter arc won't stay and won't cut through 3/8 mild steel?

Arc starts but then quits then starts again either way only cutting about half way through the steel. I have it plugged into a 20a 110 outlet and the power setting set to 25. I have the 30a tip in the gun and the 30a drag tip in. What am I doing wrong?

Posted by Anonymous on

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Posted on Jan 02, 2017

  • 5603 Answers

SOURCE: 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.

Posted on Mar 04, 2010

  • 313 Answers

SOURCE: spectrum 2050 plasma cutter .

Check compressed air pressure is in limits otherwise unit will cut out. Try adjusting the pressure up. also make sure the supply pressure is correct as it may not be your plasma cutter at fault.

Posted on Aug 02, 2010

  • 1 Answer

SOURCE: can i plug my miller spectrum 1000 plasma cutter

no you idiot! the plug is different & even if you could somehow, its half the power output. Your plasma welders for the matter, have whats called a duty cycle, which plays into effect.... electrical load level....ect.
HOWEVER-- you can plg ito the same outlet as your stove, washer & dryer plugs. DON'T BURN YOUR HOUSE DOWN, The wife will kill you!

Posted on Sep 05, 2010

luis_david
  • 407 Answers

SOURCE: My Thermal Dynamic Drag Gun

Hi:
There is no mention of the Thermal Dynamic's gun model, but i will suppose that it is a SL60 or a SL100 which are replacement guns for any model of plasma using the proper adaptor.
Your problem could be the start cartridge which go bad now and then when the gun is used as a replacement of a hammer to make the cut piece to fall.

The way to check if your start cartridge is in good condition is by checking the low part of the cartridge, push it up (or down depending on the way you handle it) it should freely slide inside and return out.

Good luck.

Posted on Jun 28, 2011

  • 5 Answers

SOURCE: miller plasma cutter spectrum 625

make sure your air pressure is high enough and volume does not drop below minimum.

Posted on Nov 27, 2011

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Miller plasma cutter spectrum 625


make sure your air pressure is high enough and volume does not drop below minimum.

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I have a Miller Spectrum 625. The problem I am having is that after cutting for three seconds the torch quits cutting. Have had it looked at a Miller repair center. They said they cut with it for over...


Hi:
I found similar problem with few customers and one issue (should I said the standard issue) is the source of air. You need a steady pressure and flow of air into the machine. Check your air compressor you will need at least 6 cubic feet per minute (360 cubic feet per hour) and a 90 psi of pressure. Since there is no way to check the flow (unless you have an online flow meter at you air pipe) check the pressure at your air tank (reservoir), if the pressure drops below the 70 PSI then that's the problem; your compressor can't stand the flow. Other than that check your ground clamp and make sure it's making a good contact.
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Hi:
There is no mention of the Thermal Dynamic's gun model, but i will suppose that it is a SL60 or a SL100 which are replacement guns for any model of plasma using the proper adaptor.
Your problem could be the start cartridge which go bad now and then when the gun is used as a replacement of a hammer to make the cut piece to fall.

The way to check if your start cartridge is in good condition is by checking the low part of the cartridge, push it up (or down depending on the way you handle it) it should freely slide inside and return out.

Good luck.

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Check compressed air pressure is in limits otherwise unit will cut out. Try adjusting the pressure up. also make sure the supply pressure is correct as it may not be your plasma cutter at fault.

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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.

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Circuit board flashed resistor


Check this site out.

www.arc-products.com

1-800-770-0063

619-628-1022 Fax: 619-628-1028

service@arc-products.com

Arc Products
1245 30th Street
San Diego, CA 92154

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