Main Engine 2-Stroke · Main Engines (2-Stroke)
This product falls under the category of large marine diesel engines, designed for high-power propulsion applications. The MAN B&W 7S60MC-C is a robust marine propulsion engine manufactured by APL Maritime. This engine is part of the 9APMN0679MDE EPA engine family and falls under IMO Engine Category 3. It is a 2-stroke compression ignition engine with a direct injection fuel system, turbocharged to achieve optimal performance. The engine has a displacement of 4750.1 liters, with each of the seven cylinders contributing 678.5 liters. Rated at 16660 kW with a speed of 105 rpm, this engine is ideal for variable speed propulsion systems with fixed pitch propellers. Common issues with the MAN B&W 7S60MC-C include cylinder wear due to poor lubrication, fuel injection faults, scavenge air restrictions, exhaust valve or path faults, bearing distress, and starting-air or maneuvering-control problems. Regular maintenance involves monitoring cylinder exhaust temperatures, scavenge conditions, and bearing temperatures, as well as inspecting fuel injection equipment, starting-air components, and exhaust components for proper operation. For critical ocean-going applications, spare parts should include cylinder-lubrication service parts, seals, gaskets, filters, and essential pump spares, as specified by the manufacturer and class requirements.
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What our service work and the manufacturer documentation say about keeping this model running.
Trend cylinder exhaust temperatures, cylinder lubrication, scavenge condition, bearing temperatures, lubricating-oil analysis and shaft or engine vibration. Inspect scavenge spaces and accessible cylinder components for deposits, blow-by evidence, liner condition, broken ring debris and signs of hot spots or scavenge fire. Check fuel-injection equipment, starting-air components, cooling-water circuits, lubricating-oil systems and exhaust components for leakage and correct operation. Review crankcase and bearing-monitoring records and inspect thrust-bearing and shafting interfaces where accessible. A surveyor should verify alarms, shutdowns, overspeed protection, turning-gear interlocks, starting-air safety arrangements and emergency controls applicable to the installation. For cylinder dimensions, rotational speed, pressures, clearances, temperatures, wear limits and setting values, refer to the manufacturer documentation for the exact figure.
Carry fuel-injection components appropriate to the engine, cylinder-lubrication service parts, seals and gaskets, filters, starting-air valve or control components and essential pump spares. For critical ocean-going propulsion, the onboard spare scale commonly also covers selected cylinder-head or exhaust-valve parts, piston-ring and liner-service items, bearing-related spares and key sensors or control components, subject to the actual engine design. Use the manufacturer and class spare requirements for the exact inventory.
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