Lincoln Electric SVM112-B service manual 149

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F-149 F-149

TROUBLESHOOTING & REPAIR

FULL VOLTAGE CALIBRATION(continued)

–POLARITY (+21A) + POLARITY

–POLARITY

NOTE: Do not attempt to weld for –Polarity (+21A). Set the number to the same as recorded for +Polarity (+67A). Also for +Polarity and –Polarity, move the volt- meter sense lead from the conductor block of the wire feeder to the positive output terminal on the front of the machine.

9.Turn the machine off. Connect the Synergic 7 to the Wire feeder 2 amphenol on the back of the Power Wave machine.

10.Put the voltmeter sense lead back on the wire feeder conductor block and repeat the calibration process steps 5, 6, and 7 for the following test points:

+POLARITY (+67B) –POLARITY (+21B)

NOTE: Do not attempt to weld for –Polarity (+21B). Set the number to the same as recorded for +Polarity (+67B).

POWER WAVE 450