Lincoln Electric LN-15 WIRE FEEDER SVM166-A - Manual (Page 70)

LN-15
F-32 F-32
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TROUBLESHOOTING AND REPAIR
BOOST POWER SUPPLY BOARD
REMOVAL AND REPLACEMENT PROCEDURE (Continued)
Figure F.11 - BOOST POWER BOARD LOCATION
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.
BOOST POWER BOARD