Auxiliary Engine (Generator Set) · Auxiliary Engines
Diesel engines like the HiMSEN 7LH21/32-GS-60Hz operate on the four-stroke principle, delivering reliable power output for maritime applications. This particular engine boasts a robust 7-cylinder configuration with a bore of 210 mm and a stroke of 320 mm, producing a rated power of 1400 kW at 900 rpm. It is designed to run on Marine Diesel Oil (MDO) or Heavy Fuel Oil (HFO) up to 700 cSt at 50°C, ensuring versatile fuel compatibility. The engine features a compression ratio of 17:1 and can achieve a maximum combustion pressure of 200 bar. Each cylinder can produce between 160 to 210 kW depending on the engine speed, and the fuel injection pressure can reach up to 2000 bar. The engine's dry weight is 16.7 tons, making it suitable for various maritime installations. Maintenance guidelines highlight potential issues such as piston cooling nozzle blockage, crankcase explosion risk, exhaust valve seat erosion, and fuel injection nozzle coking, all of which can affect the engine's performance and reliability.
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