Lincoln Electric SVM207-A service manual Printed Circuit Board Removal, Figure F.10 Door Removal

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F-44 TROUBLESHOOTING AND REPAIR F-44

PRINTED CIRCUIT BOARD REMOVAL

AND REPLACEMENT PROCEDURE (continued)

FIGURE F.10 – DOOR REMOVAL

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4 Pin Plug

PROCEDURE

4 Self Tapping Screws (at corners)

12 Pin Plug

1/4" Q.C. Tabs

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Before starting the following procedure, refer to the topic “PC Board Troubleshooting Procedures” at the beginning of this section.

1.Remove the engine spark plug wires.

2.With a 5/16” nut driver or socket, remove the 6 sheet metal screws from the case top.

3.Remove the rubber gasket (cover seal) from the lift bail.

4.Remove the fuel cap. The rubber gasket for the fill tube will come off with the case top.

5.Remove the case top, then reinstall the fuel cap.

6.With the 5/16” nut driver, remove the 5 screws holding the right case side.

7.Remove the right case side by lifting up and out.

8.Remove the 12-pin and 4 pin molex plugs from the Printed circuit board.

9.Remove leads 7 and 9 from two 1/4” Q.C. connec- tors from the board.

10.With a 1/4” phillips head screw driver, remove four self tapping screws holding the printed circuit board to the panel.

CAUTION

Be sure to follow the recommended static-free meth- ods for handling printed circuit boards. Failure to do so can result in permanent damage to the equipment.

11.Replace the old printed circuit board with a new one.

12.Replace 4 self tapping screws previously removed.

13.Connect the two Molex plugs and the 7 and 9 leads to P.C. Board.

14.Replace any cable ties that were cut during the removal procedure.

15.Reinstall the case side, fuel cap, lift bail gasket, case top, and spark plug wires.

RANGER® 3 PHASE