Lincoln Electric POWER MIG SVM157-A - Manual (Page 62)

TROUBLESHOOTING AND REPAIR F-28 F-28
POWER MIG 200
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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.
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.
FIGURE F.8. - CONTROL BOARD MOUNTING PINS
DEPRESS
LOCKING TAB ON
MOUNTING PIN