Question about Miller Spectrum 375 Cutmate Plasma Cutter 903891

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Hobart airforce 250 plasma cutter - Miller Spectrum 375 Cutmate Plasma Cutter 903891

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 13 Answers

SOURCE: hobart 250 a keeps cutting off the flame

If you have a bad air supply then the moisture in the air will cause the torch to cut off and the cut quality depends also on air supply,speed,metal thickness and condition of your consumables,meaning your electrode and other related parts in the torch tip.Hope this helps

Posted on Jan 06, 2009

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co7196
  • 3433 Answers

SOURCE: Need to know how to

Do you prefer a hobart? This is one reason not to buy one. They are hard to get service for also.I've owned and used extensively several plasma cutters and the best in my opinion is the thermal dynamic 3/8
Its easy on consumables and can sliver stainless to 1/32 . Hobarts are home depot grade. that is probably the best place to find one. good luck

Posted on Jun 24, 2009

buffalonyman
  • 1865 Answers

SOURCE: Plasma cutter only cuts for only a few seconds

The unit needs to be tested.

You're welcome to ship the unit to me for diagnostic testing and repair. info@taeckertindustries.com

Posted on Nov 07, 2009

  • 5 Answers

SOURCE: hobart airforce 250 ci has power but will not operate

make sure that there is air to the plasma and set at the proper psi. Make sure that the contact tip and nozzle is in the cutting head correct.

Posted on Dec 18, 2009

  • 7 Answers

SOURCE: My Hobart 250 airforce doesn't start

On the main circuit board for the power supply, there is usually a thermal fuse installed, its a sealed unit and is not servicible, look for a black epoxied case,approx 3/8x3/4 long, with 2 leads coming out of it. Inside is a set of bi-metal contact points which serves as an over voltage/over current protection. These contacts deform/corode over time and it sounds like there not contacting properly. As soon as you try to load the machine, the current passing through this high resistance heats these contacts up, and shuts off power to the unit. I am not familiar with the guts of a hypertherm, but have extensive experiance repairing inverter based plasma cutting equipment, and i have encountered this before. I assume hypertherm must have some equivelent to this thermal switch inside the power supply.....Good luck..

Posted on Jan 18, 2010

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1 Answer

Why dont i have any power to my hobart plazma cutter


Maybe blew a fuse . maybe malfuncttion. i would contact company for proper assistance.
Customer Service Hobart Welders

Mar 03, 2016 | Hobart Airforce 250ci Light Weight Plasma...

1 Answer

Hobart 400 plasma cutter. when i hit the trigger nothing but one short blast of air.


Make sure you have a good ground. If ground is good, make sure you are holding the tip level to the work and right up close.

Aug 31, 2011 | Hobart Plasma Cutter - Airforce 400

1 Answer

Would you purchase the 400 hobart or go to 500 hobart plasma they seem to cut the same thickness on the metal chart..


It's all about duration. How much metal do you need to cut continuously. Although the 400 will cut a similar spec it won't hold out as long. So if it;s lots of short cuts the 400 is fine, if you need to cut thicker gauge for longer period go 500.

Aug 16, 2011 | Airforce HOBART AIRFORCE 400 PLASMA CUTTER...

1 Answer

Hobart airforce 250 ci has power but will not operate


make sure that there is air to the plasma and set at the proper psi. Make sure that the contact tip and nozzle is in the cutting head correct.

Dec 18, 2009 | Hobart Airforce 250ci Plasma Cutter 12...

1 Answer

Need manual for hobart g-250 welder


Go to this page on the Hobart website....you can enter your model and the serial and it will allow you to download the manual...

Click here

May 25, 2009 | Hobart Airforce 250ci Plasma Cutter 12...

3 Answers

Need to know how to


Any authorised dealer that sell Hobart should be able to order one for you for a minimal charge.
Try Googling it.

eg: hobart dealer distributor city state

or hobart dealer miami fl

May 02, 2009 | Miller Hobart AirForce 250A Plasma Cutter ...

1 Answer

Hobart 250 has power to unit, but will not run.none of the lights come on.


Sounds like you have more than one problem. Check all fuses. Bringing it to a welder repair shop might be a good idea. Welding suppy houses may be able to help you in your area, and maybe recommend someone.

May 01, 2009 | Hobart Airforce 250ci Light Weight Plasma...

1 Answer

Hobart 250 a keeps cutting off the flame


If you have a bad air supply then the moisture in the air will cause the torch to cut off and the cut quality depends also on air supply,speed,metal thickness and condition of your consumables,meaning your electrode and other related parts in the torch tip.Hope this helps

Jan 05, 2009 | Miller Hobart AirForce 250A Plasma Cutter ...

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