2005-2006 MAN D2876 LE 423 & D2876 LE 433 Marine Diesel Engine Repair Manual (P/N 51.99598–8166)

• Covers 2005–2006 MAN D2876 LE 423 and D2876 LE 433 marine diesel engines (R6-800 and R6-730 configurations).
• Official 192-page OEM publication (P/N 51.99598–8166, technical status 03.2006).
• Features detailed exploded-view diagrams and schematic system flow charts to speed up diagnostic workflows on the shop floor.
• Includes multi-stage torque values and exact tolerance specifications for critical component teardowns.

Component and System Documentation

When servicing the MAN D2876 LE series, accurate factory specifications prevent costly downtime and ensure a reliable rebuild. This factory-authorized reference outlines complete engine overhauls and routine component maintenance. It breaks down engine nomenclature before establishing strict safety protocols for common rail systems. Because you are working with extremely high-pressure fuel circuits, following these exact handling procedures is crucial for your personal safety and the engine's long-term reliability.

The guide then maps out the lubrication system, providing precise specifications for the oil pump and oil cooler. Cooling system documentation is equally thorough. It covers the entire loop, from thermostat replacement parameters to seawater pump maintenance data.

Troubleshooting the intake and exhaust? The manual details factory tolerances for the turbocharger and waste gate. For top-end rebuilds, it documents the exact sequence for cylinder head removal, valve clearance adjustments, and complete rocker arm assembly. Bottom-end work is fully supported as well. You get exact measurements for checking piston protrusion and the required parameters for replacing cylinder liners.

Technical Data and Service Highlights

The service data tables provide the hard numbers you need during a rebuild. You get exact specifications for crankcase, crankshaft, connecting rod, and piston dimensions. No guesswork. The guide clearly lists multi-stage torque values for everything from the high-pressure fuel lines down to the cylinder head bolts, ensuring your work meets the original 2006 MAN factory standards.