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F-32

TROUBLESHOOTING AND REPAIR

F-32

 

 

BOOST POWER SUPPLY BOARD

REMOVAL AND REPLACEMENT PROCEDURE (Continued)

Figure F.11 - BOOST POWER BOARD LOCATION

BOOST POWER BOARD

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REMOVAL PROCEDURE

1.Remove input power to the LN-15.

2.Perform the Cover and Spindle

Mount Removal Procedure.

3.Locate the Boost Power Supply Board. See Figure F.11.

4.Disconnect plug J47. See Figure F.12.

5.Using the 3/8” wrench remove the three nuts holding the board in place.

6. Carefully remove the Boost Power Supply Board.

REPLACEMENT PROCEDURE

1.Set the new Board on the mounting studs.

2.Secure with the three nuts previously removed.

3.Replace plug J47 previously removed.

See Figure F.12.

4.Replace the Cover and Spindle mount.

LN-15

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Image 70
Lincoln Electric SVM166-A service manual Boost Power Supply Board, Figure F.11 Boost Power Board Location