Yeswelder CT2050 Operator's Manual page 30

Set Up for Plasma Cutting
Connect the Cutting torch to the Torch Connector.
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Plug the 5-pin torch control switch cable into to Trigger Connector Receptacle.
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Connect the work clamp to the Positive(+) Output Receptacle, ensure it has good contact with the workpiece on a clean, bare
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metal surface free of rust, paint, or coating. Note: Wrong connection for work clamp will lead to machine damage.
Install the air filter regulator and connect between the air inlet and air compressor.
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Set the air pressure to 60-90PSI.
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Attach the work clamp to the workpiece that need cutting.
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Put the cutting torch away from all conductive materials.
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Plug the power cable into a suitable power outlet, recommend NEMA6-50R.
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Turn on the power source and select Plasma Cut-Built-in Compressor Air/Plasma Cut-Outer Air process with the Welding Process
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Selection.
Trigger the torch and make sure there's the air flow and pilot arc.
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Press the Value Knob to set parameters and rotate the knob to adjust the values.
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Move the torch head to the workpiece and trigger the torch control switch to initiate the arc with blowback technique.
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