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Arc Machines 307 User Manual

Page 135

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Arc Machines, Inc. Model 307 Orbital Tube Welder Training

Document No. 740096 Chapter 13. Page 2
Rev. A

For Automatic calibration to the power supply select Automatic. The

screen will indicate when the calibration is in progress and when the

calibration has been completed.

If the potentiometer is out of range the weld head will not calibrate, and the

307 will indicate “Calibration Failed.” Adjust the potentiometer CW to

increase speed or CCW to decrease speed. On the Model 8 Series weld heads

the calibration screw is on the bottom of the weld head handle.

CW

CCW

Typical Model 9 potentiometer location.