- On-site maintenance.
- Electrical tests (Insulation resistance, Ohmic resistance, IP, step voltage, HI-POT, corona probe, WTD, EL CID, power factor, RTD test, partial discharges).
- Visual and videoscopic inspection.
- Coating with glyptal.
- Drying treatment.
- Visual and videoscopic inspection.
- Electrical tests (insulation resistance, polarization index, ohmic resistance, pole balance and impedance).
- Dimensional check of stumps.
- Check with non-destructive testing (NDT) of the retaining rings.
- Exterior cleaning.
- Swing at low speed.
- Application of glyptal.
- Drying treatment.
- Electrical tests.
- Initial electrical tests.
- Removal of retaining rings.
- Mechanical inspection.
- Cleaning, ultrasonic testing and penetrating dyes on retaining rings.
- Cleaning of coil heads and tightening of ties and spacer blocks between coil turns.
- General cleaning of the rotor, cooling ducts and fans.
- Amortizer Electroplating Service (where applicable).
- Electrical tests.
- Install retaining rings.
- Run-out.
- Final electrical tests.
- Application of glyptal.
- Drying treatment.
- Visual entry inspection.
- Mechanical and electrical inspection.
- Run-out and balance check.
- Removal of fans, exciter and retaining rings.
- Data collection from coils and distribution of spacer blocks.
- Remove wedges and coils.
- Device manufacturing.
- Cutting and die-cutting of insulating paper between coils.
- Cutting and manufacturing of studs.
- Cleaning and NDT of rings.
- Cleaning and inspection of wedges.
- END and smoothing to wedges.
- Manufacture of insulating axial coil supports.
- Reinsulation and installation of coils.
- Electrical tests of the “Hot Pressing” process.
- Installation of wedges and rings.
- Electrical tests of the Run-out process.
- Installation of fans.
- Painting and drying treatment.
- Electrical tests of the “Low Speed Balancing” process.
- Initial electrical tests.
- Take data and record windings.
- I remove wedges and coils.
- EL CID test.
- Cleaning and conditioning of the core.
- Manufacture of coils and insulation kit.
- Installation of Coils and making of moorings.
- Soldering and taping coil heads.
- Electrical tests.
- Install shims.
- Connect and tape connections.
- Curing of coil heads, lines and Connection Bridges.
- Tapered lines.
- Application and curing of resin and varnish.
- Exterior painting and final finish.
- Final tests.
