Auxiliary Engine (Generator Set) · Auxiliary Engines
Maintenance and reliability are crucial for any marine diesel engine, especially those operating on heavy fuel oil (HFO) like the Wärtsilä 7LW32-GS-60Hz. Operators should be aware of common issues such as sticky injection pump fuel racks in HFO operations, which can affect reliable fuel delivery. Regular maintenance is essential to address exhaust valve seat wear and carbon deposits, especially given the high temperatures involved. Camshaft gear backlash and timing gear pitting or spalling also require careful monitoring during major overhauls. Proper bearing shell installation alignment is critical; a 110% overload limit for one hour every twelve months should be observed to avoid damage. Additionally, fuel injection nozzle clogging from dirt or debris must be managed, particularly in HFO installations where oil-cooled nozzles are used compared to MDO units with non-cooled nozzles.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
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