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F-26

TROUBLESHOOTING AND REPAIR

TRIGGER TRANSFORMER REPLACEMENT (continued)

FIGURE F.6 – TRIGGER TRANSFORMER REPLACEMENT.

TRIGGER

TRANSFORMER

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REPAIR PROCEDURE

1.Remove the cover from the control box by removing the four 5/16 in. screws from the top and side of the unit.

2.Unplug the transformer wire connector from the control PC board. See Figure F.6.

3.Remove the two phillips head screws that attach the transformer to the case

of the control box. Remove the old transformer from the wire feeder.

4.Install the new transformer in the wire feeder and attach it to the case with two phillips head screws.

5.Plug the transformer wire connector into the socket on the control PC board.

6.Reinstall the cover on the control box using four hex head screws.

LN-7 GMA WIRE FEEDER

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Image 90
Lincoln Electric SVM 106-A service manual Figure F.6 Trigger Transformer Replacement