Lincoln Electric SVM161-A service manual RV1 RV2

Models: SVM161-A

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F-51

TROUBLESHOOTING AND REPAIR

F-51

 

INPUT FILTER BOARD REMOVAL AND REPLACEMENT (continued)

FIGURE F.26 – MAIN IGBT BOARD LEAD REMOVAL

RV1

RV2

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CAUTION

Observe static precautions detailed in PC Board Troubleshooting Procedures at the beginning of this section.

7.Clean RTV off of the top of the input filter board mounting slides.

8.Release the board by simply pressing the two metal buttons at the ends of the board with your thumbs. Depressing these buttons will free the plastic lock pins that prevent the P.C. board from sliding upward.

9.Remove and replace the input filter board.

10.Slide the new input filter board into its proper position on the mounting slides.

11.Push on backside of mounting pins to ensure that the P.C. board is secured in its proper posi- tion.

12.Reconnect all previously removed leads to their proper locations. See Wiring Diagram if necessary.

13.Replace case wraparound assembly.

INVERTEC® V205-T AC/DC™

Page 91
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Lincoln Electric SVM161-A service manual RV1 RV2