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I have a Pak Master 38XL from Thermal Dynamics. The power is on and the machine is running but when I press the trigger, no air comes out and no spark. Any suggestions?

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6ya6ya
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Posted on Jan 02, 2017

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co7196
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SOURCE: the lights are working for power and gas pressure

No, Try changing the tip. The one under thr node cone. If it burns back it will concave and increase the gap between the work and gun tungdten electrode.

Posted on Nov 05, 2009

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luis_david
  • 407 Answers

SOURCE: Thermal Dynamics Drag Gun Pac

Hi:

Your plasma has a start arc pilot inside the machine, this one must be faulty, check your owner's manual and request the part to your nearest welding store. It is easy to replace.

Posted on Jun 26, 2011

luis_david
  • 407 Answers

SOURCE: Thermal Dynamics cutmaster 81.

Hi; Check the following troubleshoot and see if you can ID the problem:
Problem: Gas flows continuously when power is turned on, AC indicator flashes 1. Torch switch is activated (closed) before user turns power on. a. Release torch switch. 2. Faulty torch switch a. Check torch switch for continuity. Replace if necessary.
Problem: Gas flows continuously; Torch will not pilot when torch switch is activated; AC indicator ON 1. System is in SET mode a. Change to RUN / Rapid Auto Restart / SET switch to RUN (up).
Mostly of the problems found is that customer has the switch line on to SET instead of RUN.
Hope this help. Have a good afternoon.

Posted on Sep 16, 2011

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1 Answer

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Hi; Check the following troubleshoot and see if you can ID the problem:
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Problem: Gas flows continuously; Torch will not pilot when torch switch is activated; AC indicator ON 1. System is in SET mode a. Change to RUN / Rapid Auto Restart / SET switch to RUN (up).
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Hi:

Your plasma has a start arc pilot inside the machine, this one must be faulty, check your owner's manual and request the part to your nearest welding store. It is easy to replace.

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No, Try changing the tip. The one under thr node cone. If it burns back it will concave and increase the gap between the work and gun tungdten electrode.

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