This service manual covers the Volvo EC135B LC and EC135BLC excavators, designed for demanding construction and earthmoving applications. These excavators are powered by a Volvo D6E diesel engine, delivering 70 kW (94 hp) and meeting Tier 3 / Stage IIIA emission standards. Featuring a hydrostatic transmission with a 2-speed travel system, the EC135B LC offers robust performance with an operating weight ranging from 12,800 to 13,600 kg. Its engineering prioritizes reliability and efficiency, making it a dependable choice for professional use. This comprehensive service manual provides detailed information essential for the maintenance and repair of your Volvo EC135B LC excavator. It includes in-depth coverage of all major systems, such as the engine, hydrostatic transmission, and hydraulic system, along with specific maintenance procedures, troubleshooting guides, and technical specifications. The manual is intended for use by owners, mechanics, and technicians to ensure optimal performance, longevity, and safety of the equipment.