Transformer Repair and Maintenance involves a range of services to ensure the unit's longevity and reliable performance. Maintenance includes proactive tasks like oil testing, filtration, and dehydration to remove moisture and impurities. Repairs address specific faults, such as rewinding damaged coils, replacing gaskets, and fixing leaks. These services are crucial for preventing costly breakdowns, extending the transformer's lifespan, and maintaining the stability of the electrical supply.