Date: May of 2010
- Check electrical, mechanical and visual.
- Disarmament, cleaning and washing of core and coil of the transformer.
- Rewind full leg 2 failed.
- Installation of new system of restraint for coils and structure.
- Impregnation by immersion vacuum all the coils manufactured with dielectric coating class H.
- Change of hardware and parts in bad state.
- Covered repair exterior.
- Installation system of monitoring of digital temperature of 3 channels with relay communication.
- Removal of rust and painting epoxy type (Pearl Grey) weather treatment.
- Complete electrical testing in our laboratory according to standards ANSI C-57.12.90, with issuance of certificate of testing respective.