Lincoln Electric POWER MIG SVM167-A Service Manual page 64

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TROUBLESHOOTING AND REPAIR
CONTROL BOARD REPLACEMENT (continued)
PROCEDURE
1. Remove power to the machine.
2. Using a 5/16" nutdriver, remove the three
screws securing the tool tray.
3. Locate the control board.
4. Disconnect all associated plugs and leads
connected to the control board.
5. Depress the retaining pins on the sides of the
four nylon mounts to release the control
board. See Figure F.8.
FIGURE F.8. - CONTROL BOARD MOUNTING PINS
DEPRESS
LOCKING TAB ON
MOUNTING PIN
POWER MIG® 215
6. Carefully remove the control board.
7. Mount the new board to the nylon mounting
pins.
8. Reconnect any plugs or leads previously
removed.
9. Replace the tool tray previously removed.
F-28