| 1, |
Disassembly of motor in workshop. |
| 2. |
Cleaning of all components with high-pressure water cleaner. |
| 3. |
Collection of winding data. |
| 4. |
Immersion of motor in chemical tank to soften the varnish. |
| 5. |
Removal of burnt stator/rotor coils. |
| 6. |
Cleaning and anti-rust treatment of stator/rotor. |
| 7. |
Insulation of stator/rotor coil slots using class H nomex paper. |
| 8. |
Insertion of new coils into stator/rotor slots. |
| 9. |
Immersion of completed of stator/rotor into class H varnish until all cavities between coils and lamination are filled with varnish. |
| 10. |
Oven baking in an electrical controlled oven with gradual and controlled temperature rise up to minimum 120 degrees centigrade for a duration of 6 to 8 hours. |
| 11. |
Remove excess varnish from stator/rotor laminations. |
| 12. |
Dynamic balancing machine to balance rotating elements for quiet vibration free operation. |
| 13. |
Skimming and mica undercutting of commutator and skimming of slipring where necessary. |
| 14. |
Refitting of new bearings and assembly of motor. |
| 15. |
Standard no load testing. |
