This manual covers the Liebherr R 912 Litronic excavator, identified by serial numbers from 3001 and type numbers 417, 481, 483, and 583. Designed for demanding operational environments, the R 912 Litronic embodies Liebherr's commitment to robust engineering and reliable performance. This excavator is built to provide efficient and dependable service across a range of construction and industrial applications, ensuring productivity and longevity. The purpose of this comprehensive operating manual is to provide essential information for both machine operators and maintenance personnel. It details product descriptions, safety guidelines, control and operation procedures, troubleshooting common malfunctions, and maintenance schedules. By carefully reading and adhering to the instructions within this manual, users can ensure safe operation, prevent improper use-related issues, enhance machine reliability, extend service life, and reduce repair costs and downtime.