You could try to adjust the internal air pressure manually:

I am busy at the moment. I will test all of that in a moment.
Thanks everybody for your help. I found out today that my dad installed a second regulator in the air supply to the plasma cutter and that was regulated at 80 psi.
Do any of you know how much a pack of fine cut consumables is? I can’t find the price on Hypertherm’s website.
Try eBay or just Google. You have to change the swirl ring and everything if I am not mistaken.
Ok thanks.
The top of your machine or in the manual will have break down with part numbers.
Glad you figured it out. You might plan to install a another pressure gauge closer to your cutter. It will tell you two things:
Here is a topic that was started a few months ago, discussing where to buy Hypertherm consumables: