This comprehensive Iveco Cursor C78-ENS C78-ENT Workshop Repair Manual provides detailed instructions and technical data for overhauling or rebuilding Iveco marine engines to factory specifications. The manual covers the Cursor78 ENS M20.10, Cursor78 ENT M30.10, Cursor78 ENT M50.11, and Cursor78 ENT M55.10 engines, equipping you with the necessary knowledge and guidance for a successful repair process. The manual begins by offering a thorough overview of the engine's components, architecture, and systems, including the combustion air intake and exhaust, cooling system, lubrication loop, fuel lines, and the electronic diesel control (EDC) injection system. Technical specifications are provided, setting the foundation for understanding the engine's performance parameters. Moving on, the manual dives into the electrical system, covering its components, wiring harness, location of electrical components on the engine, power supply line, alternator, electrical starter motor, relay box, connectors, and connections of the central electronic unit (ECU). A detailed section on diagnostics equips you with the knowledge to troubleshoot issues, including ECU behavior, blink code tables, diagnosis with the PT-01 instrument, and reference values. The manual further provides guidance on routine maintenance procedures, outlining periodicity of checks and maintenance operations, preparing the engine for long idle periods, and instructions for the first start-up and restoration of normal operating conditions. Servicing operations on installed engines are covered, including prescriptions for work on the injection system, belt replacement, EUI pumping unit replacement, air venting from the fuel feed loop, cleaning the engine coolant/sea water heat exchanger and air/sea water heat exchanger, adjustments, uncoupling marine parts, and disembarking the engine. A dedicated section on tools provides information on essential equipment needed for various tasks. The heart of the manual lies in the overhaul section, which guides the user through the complete disassembly and reassembly process. This includes detailed instructions for disassembling and reassembling the cylinder block, cylinder liners, crankshaft, piston connecting rod assembly, connecting rod, cylinder head, valves, injector holder cases, timing gear, bushes, valve springs, rocker shaft, lubrication system components, cooling system components, and fuel feed components. Clear diagrams, assembly clearance data, tightening torques, and tightening orders ensure accuracy throughout the process. The manual concludes with specific sections dedicated to the C78 ENS M20 engine, covering its specifications, EDC injection system, location of electrical components, and sensors. Safety systems for homologated installations, updates regarding the turbocompressor and EDC injection system, and safety regulations are also addressed. This manual serves as an invaluable resource for professionals working on Iveco Cursor C78 marine engines, enabling them to confidently diagnose, maintain, and rebuild these powerful engines to factory standards.

The IVECO Cursor C78-ENS and C78-ENT are a series of marine diesel engines designed for a range of medium to heavy-duty applications. These six-cylinder, four-stroke engines, boasting a displacement of 7800cc, deliver power outputs ranging from 200 HP to 550 HP. Their robust construction and advanced electronic injection system (EDC) cater to demanding marine environments. The Cursor C78 series is renowned for its reliability, fuel efficiency, and low emission levels. This comprehensive workshop repair manual provides a detailed guide for technicians and marine mechanics to understand, diagnose, maintain, and overhaul these engines. It covers every aspect of the Cursor C78, from basic identification and specifications to intricate servicing procedures, including overhauling. The manual features detailed illustrations, diagrams, and step-by-step instructions, simplifying complex tasks. It also incorporates specific information on the engine's electrical equipment, diagnostics, maintenance schedules, and safety regulations. Furthermore, the manual includes sections on updating specific components like the turbocharger and injection system, ensuring technicians can keep pace with advancements in engine technology. This thorough manual serves as an invaluable resource for anyone involved in the operation and repair of IVECO Cursor C78-ENS and C78-ENT marine engines.