This comprehensive service manual provides detailed instructions and guidance for repairing MAN D2866-LE and D2876-LE marine diesel engines. It is designed to help service technicians accurately understand the engines and perform repairs correctly. The manual includes a preface, safety instructions, general information on engine overhaul, a troubleshooting table, engine views, cross sections, schematic diagrams of various systems, and step-by-step instructions for a wide range of repair procedures.

The manual covers fuel system components like the injection pump, fuel injectors, and filters. It also provides detailed information on the cooling system, including draining, filling, and replacing components like the thermostat, water pump, and heat exchanger. Lubrication system procedures are thoroughly covered, including changing oil filters, removing and installing components like the oil cooler and pump, and inspecting oil spray nozzles.

The manual also includes sections on the flywheel and crankshaft seal, the intake and exhaust systems, the cylinder head, valve timing, the crankgear and pistons, and various attachments. Each section provides detailed instructions, diagrams, and illustrations to make repairs easier and more efficient. The manual also includes a special tools section and an index for easy reference.

The MAN D2866-LE and D2876-LE marine diesel engines are powerful and reliable workhorses designed for a wide range of marine applications. These engines, belonging to the legendary MAN "LE" series, are known for their exceptional fuel efficiency, low emission levels, and robust construction. The D2866-LE series encompasses models like the D2866 LE 401, D2866 LE 402, D2866 LE 403, and D2866 LE 405, while the D2876-LE series includes the D2876 LE 301 and D2876 LE 403. These engines, characterized by their 6-cylinder in-line configuration, boast impressive power outputs ranging from 400 to 600 kW, making them suitable for vessels like yachts, workboats, fishing boats, and even smaller ferries.

The MAN D2866-LE and D2876-LE engines are renowned for their advanced engineering features. They incorporate advanced technologies like common-rail fuel injection, electronically controlled turbocharging, and sophisticated engine management systems for optimal performance and fuel economy. The robust construction, incorporating high-quality materials and meticulous manufacturing processes, ensures long service life even in demanding marine environments. These engines are designed for ease of maintenance, with readily accessible components and user-friendly service manuals. These features, combined with their reputation for reliability and durability, have made the MAN D2866-LE and D2876-LE engines a preferred choice for boat owners and operators worldwide, seeking a balance between power, efficiency, and long-term dependability.