This manual covers the Liebherr R 922 Litronic excavator, identified by serial numbers from 4001 onwards. Designed for demanding operational environments, this machine embodies Liebherr's commitment to robust engineering and reliable performance. Its advanced Litronic system offers precise control and efficiency, making it a versatile tool for a wide range of construction and earthmoving tasks. Understanding and adhering to the guidelines within this document is crucial for maximizing the excavator's capabilities and ensuring its longevity. The purpose of this comprehensive operating manual is to provide essential information for both operators and maintenance personnel. It details product descriptions, critical safety guidelines, operational procedures, troubleshooting common malfunctions, and essential maintenance schedules. By thoroughly studying and applying the information contained herein, users can ensure safe operation, prevent improper usage that could lead to malfunctions, enhance the machine's reliability, extend its service life, and reduce overall repair costs and downtime.