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F-34

F-34

TROUBLESHOOTING & REPAIR

DC EXCITER ARMATURE AND FIELD COILS

REMOVAL AND REPLACEMENT (continued)

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Field Coils Removal Procedure

1.Perform the DC Exciter Armature Removal

Procedure.

2.Using the 3/8” wrench, remove the leads from the brush holder. Note lead placement for reassembly.

3.Using the 1/2” wrench, remove the four bolts (two on each side) holding the pole pieces to the exciter frame. See Figure F.12.

4.Label and remove the tape and splices from the black and red leads that go to the idler board and 115VDC receptacle. See the Wiring Diagram.

5.Carefully slide the coils and pole pieces from the exciter frame.

6.Remove the coils from the pole pieces.

Reassembly:

7.Assemble the new coils to their respective pole pieces.

8.Assemble the coil and pole pieces to the exciter frame with four bolts.

9.Make the necessary lead connections to the idler board and 115VDC receptacle. Wrap the slices with tape.

10.Assemble the armature and brushes. See the DC Exciter Armature Removal

Procedure.

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CLASSIC I

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Image 78
Lincoln Electric SVM134-A service manual Field Coils Removal Procedure, Perform the DC Exciter Armature Removal Procedure