Delhi NCR's Trusted Generator Repair and Maintenance Services
At Azad Generator, we understand that uninterrupted power is the backbone of industrial production, healthcare, and commercial infrastructure. With over 15 years of hands-on expertise, our certified mechanical and electrical engineers provide comprehensive diesel generator repair, emergency breakdown response, and annual maintenance contracts (AMC) across Delhi, Noida, Greater Noida, Gurugram, Faridabad, and Ghaziabad.
From emergency troubleshooting of starting failures, fuel injection issues, and automatic voltage regulator (AVR) faults to complete engine rebuilds and alternator rewinding, we service all major OEM engines including Cummins, Kirloskar Green, Perkins, Mahindra Powerol, Caterpillar, and Ashok Leyland using 100% genuine replacement parts.
Scheduled AMC and Preventative Checks
- Periodic Inspection Schedules: Comprehensive A-Check, B-Check, and C-Check service routines per OEM guidelines.
- Lube Oil and Filter Renewal: High-grade engine oils, primary/secondary fuel filters, and bypass filter replacement.
- Cooling and Fuel Line Servicing: Radiator chemical de-scaling, coolant anti-freeze replacement, and leak-proof fuel lines.
- 24/7 Rapid Emergency Support: Dedicated mobile service vans equipped with diagnostic scanners and critical emergency spares.
Engine Rebuilds and Alternator Overhauls
- Complete Engine Top/Major Overhaul: Piston ring, liner, crankshaft bearing replacement, and precision valve grinding.
- Fuel Injection and Turbo Calibration: High-pressure diesel injector re-conditioning and dynamic turbocharger balancing.
- Alternator Rewinding and Insulation: Class-H vacuum impregnated copper rewinding, diode testing, and AVR calibration.
- 100% Full Load-Bank Certification: Post-overhaul load-bank testing validating kW capacity, oil pressure, and fuel economy.
Standard DG Set Maintenance Intervals and Service Scope
| Service Level | Standard Interval | Technical Service Scope and Activities |
|---|---|---|
| Routine A-Check | Daily / Weekly Routine | Visual engine inspection, lube oil level, coolant level, battery electrolyte/voltage check, and air cleaner inspection |
| Preventative B-Check | Every 250 – 300 Hours / 6 Months | Lube oil replacement, oil filters, diesel fuel filter changes, fan belt tension inspection, and electrical terminal tightening |
| Intermediate C-Check | Every 800 – 1500 Hours / 1 Year | Valve tappet clearance adjustment, fuel injector calibration, PT pump tuning, turbocharger clearance, and radiator flushing |
| Major D-Check Overhaul | Every 5000 – 6000 Hours | Complete engine dismantling, cylinder liners, piston replacement, crankshaft grinding, alternator rewinding, and load-bank test |
2-Hour Rapid Response
Mobile emergency service teams stationed across Delhi, Noida, Gurgaon, and Faridabad for quick arrival.
100% Genuine OEM Spares
We use only original factory components and recommended lubricants for Cummins, Kirloskar, and Perkins engines.
Certified Master Technicians
Over 15 years of troubleshooting complex governor, mechanical fuel pump, and alternator electrical issues.
Load-Bank Handover Testing
Every major repair and overhaul is verified with a calibrated load-bank test before certifying back to operation.