Input Contactor Removal and Replacement | Lincoln Electric SVM118-A

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F-71

INPUT CONTACTOR REMOVAL AND REPLACEMENT (continued)

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1.Remove input power to the machine.

2.With the 5/16" nut driver, remove the case top and sides.

3.Perform the Input Power Factor Capacitor Voltage Check.

4.With the 5/16" nut driver, remove the rear access panel.

For Steps 5-20, refer to Figure F.24.

5.With the slot head screw driver, remove the input leads from the L1 and L2 terminals on the input contactor.

6.With the slot head screw driver, remove the copper strap, the heavy lead, and the small capacitors from the output side of the con- tactor.

7.Remove small lead H1 from the L1 termi- nal.

8.Remove small lead #246 from the L2 ter- minal.

9.Remove leads #243 and #244 from the contactor coil tabs.

10.Remove leads #243 and #242 from the contactor interlock located on the bottom of the contactor.

11.With the 5/16" nut driver, remove the 4 screws mounting the contactor bracket to the case back.

12.Carefully remove the contactor and the bracket assembly from the case back.

SQUARE WAVE TIG 355