Introduction
The MAN B&W 35MC main engine is a highly reliable two-stroke marine diesel engine widely used in commercial vessels. Regular maintenance is essential to ensure efficient performance, reduce wear, and prevent unexpected failures.
This checklist provides a structured approach for routine inspection and maintenance.
Daily Maintenance Checklist
- Check lubrication oil levels and pressure
- Monitor exhaust gas temperature
- Inspect for oil or fuel leaks
- Check cooling water system performance
- Listen for unusual noise or vibration
- Record engine parameters in logbook
Weekly Maintenance Checklist
- Inspect fuel injectors and fuel system
- Check turbocharger condition and cleanliness
- Inspect air filters and scavenge space
- Check cylinder lubrication system
- Examine starting air system
Monthly Maintenance Checklist
- Inspect piston rings and cylinder liner condition
- Check cylinder head components
- Clean turbocharger if required
- Inspect crankshaft and bearings
- Test safety systems and alarms
Periodic Maintenance (Overhaul)
- Replace worn-out piston rings and liners
- Overhaul fuel injectors
- Inspect and service turbocharger
- Check and replace bearings if required
- Full inspection of cylinder head and valves
Common Signs That Maintenance Is Required
- Increased fuel consumption
- Loss of engine power
- Excessive exhaust smoke
- Abnormal vibration
- Rising exhaust temperatures
Conclusion
Following a proper maintenance schedule ensures the long life and reliability of your main engine while minimizing downtime and repair costs.
We at Marine Engi Tech supply New, Used, and Reconditioned Spare Parts for MAN B&W engines including Pistons, Liners, Cylinder Heads, Fuel Injectors, Bearings, and Turbocharger Parts — ready for worldwide delivery.
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