Lincoln Electric SVM148-B service manual To Section TOC

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F-58 F-58

TROUBLESHOOTING & REPAIR

CONTROL BOARD REMOVAL AND REPLACEMENT (continued)

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11.With the 1/4” nut driver, remove the screws holding the control board.

12.Replace the old control board with a new one.

13.Connect current sensing leads #254 and #254A. Thread the leads through the cur- rent sensor the same number of turns noted during removal. Connect the leads and install new wire ties. See the Wiring Diagram for the proper connections.

14.Connect the three molex plugs.

15.Connect the three individual leads #213, #222, and #5A.

16.Replace any wire ties that were cut during the removal procedure.

17.With the 5/16” nut driver, install the control board cover.

18.Install the case top, gaskets, and double door support rod.

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RANGER 300 D AND 300 DLX