This service manual covers the Volvo EC290B LC excavator, a robust machine engineered for demanding construction and earthmoving applications. Built with Volvo's commitment to quality and reliability, this excavator features a powerful Volvo D7E diesel engine, delivering 154 kW (207 hp) and 855 Nm of torque, coupled with a hydrostatic transmission for efficient power delivery. Its substantial operating weight of approximately 29,200 kg and impressive digging capabilities, including a maximum digging depth of 6.76 meters, make it a versatile tool for a wide range of heavy-duty tasks. This comprehensive service manual provides detailed information essential for the maintenance, repair, and servicing of the Volvo EC290B LC excavator. It includes in-depth coverage of engine specifications, transmission systems, hydraulic circuits, and undercarriage components. Owners, technicians, and mechanics will find step-by-step procedures, diagnostic guidance, technical specifications, and safety recommendations to ensure optimal performance and longevity of the equipment. The manual is presented in English to facilitate understanding and application across various operational environments.