logo dia tech

An ISO 9001, 14001 & 45001 Company

An ISO 9001, 14001 & 45001 Company

Home > Solutions > On-Site Overhauls and Repairs

Onsite Generator Overhauling Services

Onsite Generator Overhauling Services

At Diatech, we understand the importance of reliable generator performance, and we have over 30 years of experience in providing expert onsite generator overhauls. Our skilled technicians have worked on generators of all sizes, and we’ve even repaired them on-site, without OEM support. This means that we have the expertise to quickly diagnose and fix any issues, minimizing downtime and saving you money.

We’re proud to have worked with some of the biggest names in India, including BHEL, Nuclear Power Corporation, and Reliance Industries. Our clients trust us to deliver world class services, and we do.

Our onsite generator overhauling services include:

  • Complete disassembly and inspection
  • Replacement of worn or damaged parts
  • Cleaning & varnishing
  • Testing and Residual Life Analysis
  • Reassembly and commissioning

We use the latest technologies and techniques to ensure that your generator is operating at peak performance, and we stand behind our work with a comprehensive warranty.

Turnkey work; from de-coupling to commissioning

Complete dismantling, inspection, cleaning, heating, varnishing and testing

All testing instruments, meteorological tools and material handling equipment available

Specialized equipment available for retaining ring removal, slip-ring replacement, purge test, wedge deflection mapping, etc.

On-Site Repair Services

Carrying out complex repairs of generators on site is a largely routine task for us. With decades of on-site experience, we have worked on some prestigious cases such as

Fault location and re-insulation of 248 MVA generator rotor (Nuclear Power Corporation, Tarapur) - interturn short

Ground fault location and repair of 68 MW generator rotor (GSECL Dhuvaran)

Ground fault location and repair of 34 MW generator rotor (ONGC Petro Additions)

Fault location and repair of 108 MW generator rotor (MSEB, Uran) - open circuit

Overhang repair of 60 MW generator rotor (MSEB, Uran) - high vibration due to damaged spacers

Revamping of 4000 HP, 80 RPM DC motor (Jindal, Vasind) - zero insulation value