This manual covers the Liebherr R 914 Litronic excavator, identified by serial numbers from 6001 and type numbers 640, 680, 681, 641, 642, 643, and 644. Designed for demanding operational environments, this machine represents Liebherr's commitment to robust engineering and reliable performance. Its advanced Litronic system ensures efficient operation and precise control, making it a versatile tool for various construction and earthmoving tasks. The purpose of this comprehensive operating manual is to provide essential information for both machine operators and maintenance personnel. It details product descriptions, crucial safety guidelines, operational procedures, troubleshooting common malfunctions, and essential maintenance schedules. By adhering to the instructions within this manual, users can ensure the safe and efficient operation of their R 914 Litronic excavator, maximizing its service life and minimizing downtime.