Troubleshooting & repair – Lincoln Electric CLASSIC I SVM134-A User Manual
Page 78
TROUBLESHOOTING & REPAIR
F-34
F-34
CLASSIC I
DC EXCITER ARMATURE AND FIELD COILS
REMOVAL AND REPLACEMENT
(continued)
Field Coils Removal Procedure
1. Perform the
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.
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.