This comprehensive workshop manual provides detailed instructions and technical information for the overhaul and maintenance of the Lombardini 11 LD 535-3, 11 LD 625-3, and 11 LD 626-3 diesel engines. The manual covers a wide range of topics, ensuring you have the knowledge and guidance necessary for proper engine care. You'll find in-depth sections on troubleshooting common issues, technical specifications, performance curves, maintenance procedures, recommended oil types and refill procedures, disassembly and reassembly guides, lubrication system analysis, fuel system operation, electrical system diagnostics, adjustment procedures, proper storage techniques, and torque specifications. This valuable resource makes navigating engine maintenance and repair tasks easier, allowing you to confidently handle any challenge that arises.

The Lombardini 11LD535-3, 11LD625-3, and 11LD626-3 are a series of compact, high-performance, water-cooled diesel engines designed by Lombardini, a renowned Italian manufacturer specializing in small-displacement engines. These engines feature a robust and reliable design, making them suitable for a wide range of applications, including agricultural machinery, construction equipment, generators, and industrial machinery. The 11LD535-3, boasting a displacement of 1.1 liters, is the smallest within the series, delivering a remarkable power output of 18.5 kW (25 hp) at 3000 rpm. It stands out with its exceptional fuel efficiency, making it ideal for applications where fuel economy is paramount. The 11LD625-3 and 11LD626-3, both featuring a larger 1.4-liter displacement, share a similar design philosophy but offer distinct power outputs. The 11LD625-3 generates a robust 25 kW (34 hp) at 3000 rpm, while the 11LD626-3 delivers even more power, reaching 29 kW (39 hp) at 3000 rpm. These engines are renowned for their reliability, durability, and low emissions, making them a popular choice in various demanding applications.

The Lombardini 11LD535-3, 11LD625-3, and 11LD626-3 incorporate several advanced features for optimal performance and user convenience. All models feature a direct injection system, ensuring efficient fuel combustion and reduced emissions. The electronic control unit (ECU) monitors engine parameters and adjusts settings for optimal performance and fuel economy. These engines are designed for easy maintenance, with readily accessible components and a user-friendly layout. Their compact size and lightweight design facilitate installation in various applications. Additionally, they are known for their low noise levels, contributing to a more pleasant working environment. The robust construction of these engines ensures long-term durability, making them a reliable choice for demanding applications. The Lombardini 11LD535-3, 11LD625-3, and 11LD626-3 engines offer a compelling blend of performance, efficiency, and durability, making them a versatile choice for various industrial and mobile equipment applications.