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Found smaller one-way valves (check valves) on Amazon that greatly simplified setup.

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Flow meter that came with PP205si has square flow tube. On one face it has Argon flow rate. On another face it has CO2 flow rate. Other two faces are blank.
You can see Argon face flow rate bars...

I do not know what kind of solder was used in older machines. Only way I see soldering being a problem is if Low-Temp (aka soft solder) was used. Regular solder and Hi-Temp solder would not be an...

Connected two one-way inline valves to "T" that goes into back of PP205si.
Argon is fed into one side and Compressed Air is fed into other side.
Selecting between Argon vs. Compressed Air is done...

Will do.
After lots of WWW searching, only thing I came up with was some drag cutting cups/tips/shields being sold on Ebay that are supposedly made in Italy for Everlast 50s & 60s plasma torches...

I'll give it a try. I thought about doing that. But was worried that pulling trigger on TIG or Plasma Torch with them being in use could damage HF Arc start for either.
Figured it was better to...

Okay, thought I would ask.

Guessing being a Trained Tech in Field of electronics, qualified to work on everything from 1,200 amp power supplies down to repairing circuit boards, and being...

Is there a Electrical Trouble Shooting guide or Wiring Diagrams available for PP205si?

Examples of Electrical Trouble Shooting guide:
When set to TIG - Circuit Board 3, Connector C, Pin 6 voltage...

Is there any button or switch combination that will cause PP205si internal gas flow solenoid to Open without activating TIG or Stick Welding or Plasma cutting power?


Looking for an easy way to...

Need help with Plasma drag cutting using iPT60(?) torch that comes with PP205si.

Manual is not clear on whether torch that comes with PP205si can be used without standoff, to do drag cutting. ...