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F-28

TROUBLESHOOTING AND REPAIR

F-28

 

 

FEED HEAD CONTROL BOARD

REMOVAL AND REPLACEMENT PROCEDURE (Continued)

Figure F.9 - FEED HEAD CONTROL BOARD LOCATION

FEEDHEAD CONTROL 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 Feed head Control Board. and plugs J81, J82, J83, J84, J85, J86 and J88. See Figure F.9 & See Figure

F.10.

4.Remove the seven plugs from the board taking note of placement for reassembly.

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

6.Carefully remove the Feed head Control Board.

REPLACEMENT PROCEDURE

1.Set the new Feed head Control Board on the four mounting studs.

2.Secure with the four nuts previously removed.

3.Replace the seven plugs previously removed. See Figure F.10.

4.Replace the Cover and Spindle mount.

LN-15

Page 66
Image 66
Lincoln Electric SVM166-A service manual Feed Head Control Board, Removal and Replacement Procedure