This service manual provides comprehensive information for the Liebherr Hydraulic excavator A 309-R317 Litronic. Designed for professionals and owners alike, it details high-quality instructions and procedures to address potential issues, aiming to save time and facilitate informed decision-making regarding maintenance and repair. The manual focuses on ensuring optimal performance and longevity for your Liebherr equipment. The scope of this manual covers a wide array of critical systems and components. It includes detailed sections on general information, necessary tools, technical data, maintenance instructions, and specific components such as the drive motor, pump distribution gear, hydraulic components, electrical system, slewing gear mechanism, and undercarriage. Additionally, it addresses the brake system, steering, and operator cab features, offering a complete resource for maintaining and repairing the Liebherr Hydraulic excavator A 309-R317 Litronic.