Lincoln Electric SVM166-A Contactor Removal and Replacement Procedure, Removal Procedure

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F-24 TROUBLESHOOTING AND REPAIR F-24

CONTACTOR REMOVAL AND REPLACEMENT PROCEDURE (Continued)

Figure F.8 - CONTACTOR LEAD LOCATION

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Divider Plate

Copper Bus Bar

REMOVAL PROCEDURE

1.Remove the input power to the LN-15.

2.Perform the Roll Cage Removal

Procedure.

3.Perform the Wire Drive Assembly

Removal procedure.

4.Remove the two rubber roll cage mounts that hold the contactor assembly to the case bottom.

5.Using the 3/4” wrench remove the welding cable from the contactor assembly stud. See Figure F.8. Also leads 567 & 567A.

6.Disconnect the two coil leads at their in line connectors.

7.Disconnect and clear ground leads as necessary.

8.Using the 7/16” wrench remove the two bolts mounting the contactor assembly to the divider plate. See Figure F.8.

7/16" Bolts

Welding Cable

Leads 567 & 567A

3/4" Nut

9.Carefully remove the contactor assembly from the LN-15.

10.Using the 11/16” wrench remove the cable and copper bus bar from the contactor.

11.The contactor may now be removed by using the screwdriver to remove the four screws mounting the contactor to the mounting plate.

LN-15