This comprehensive Liebherr R974 and R984 Tracked Excavator Service Repair Manual provides extensive information on maintaining, assembling, disassembling, and servicing your machine. It covers all serial numbers for both the R974 and R984 models.

The manual is packed with detailed information, specifications, diagrams, and real-life photo illustrations. It guides you through every step of repair, diagnostics, servicing, technical maintenance, and troubleshooting procedures for your Liebherr excavator. With this manual, you can confidently identify problems and understand how to repair and maintain your machine without needing to rely on service centers.

The manual encompasses a wide range of topics, including:

* **General Information:** Essential overview of the excavator.
* **Special Tools:** A list of specialized tools required for specific tasks.
* **Welding Joints:** Information about welding procedures and specifications.
* **Technical Data and Inspection Schedule:** Detailed technical specifications and a comprehensive inspection schedule for routine maintenance.
* **Cummins Engine:** In-depth coverage of the Cummins engine, including maintenance, troubleshooting, and repair procedures.
* **Swing Gear and Swing Brake:** Detailed information on the swing gear and swing brake system, covering operation, maintenance, and troubleshooting.
* **Hydraulic System:** Comprehensive guide to the excavator's hydraulic system, including operation, maintenance, and troubleshooting.
* **Air Pressure System:** Information on the air pressure system, covering operation, maintenance, and troubleshooting.
* **Rotary Connection:** Details on the rotary connection, including maintenance and repair procedures.
* **Electrical System:** Comprehensive coverage of the electrical system, including diagrams, troubleshooting, and repair procedures.
* **Heater Air Conditioner:** Information on the heater and air conditioner system, including operation, maintenance, and troubleshooting.
* **Travel Gear:** Detailed information on the travel gear, including operation, maintenance, and troubleshooting.
* **Track:** Comprehensive guide to the track system, including maintenance, repair, and troubleshooting procedures.
* **Swing Ring:** Detailed information on the swing ring, including maintenance and repair procedures.
* **Travel Brake:** Information on the travel brake system, covering operation, maintenance, and troubleshooting.
* **Hydraulic Cylinder:** Comprehensive guide to the hydraulic cylinders, including operation, maintenance, and troubleshooting.

This manual provides everything you need to understand and maintain your Liebherr R974 or R984 Tracked Excavator efficiently.

The Liebherr R974 and R984 Tracked Excavators are heavy-duty construction machines designed for demanding excavation tasks in a variety of industries, including mining, quarrying, and large-scale construction projects. These excavators are renowned for their robust build, powerful performance, and advanced technological features, making them ideal for handling massive earthmoving and material handling operations.

The Liebherr R974 and R984 are both equipped with powerful diesel engines, providing exceptional digging force and lifting capacity. The R974 boasts an operating weight ranging from 76.5 to 81.5 metric tons depending on the configuration, while the R984 weighs in between 90 to 99.5 metric tons. Both models feature a spacious and ergonomic operator cab designed for comfort and optimal visibility, enhancing operator efficiency and safety. The excavators are equipped with advanced hydraulic systems offering precise control over arm, boom, and bucket movements, making them proficient in tasks such as digging, loading, and material handling. The Liebherr R974 and R984 also incorporate various safety features, including an emergency stop system, overload protection, and a comprehensive warning system, ensuring the well-being of operators and minimizing risks on the job site. The availability of a service repair manual specific to these models underscores the importance of proper maintenance and repair for maximizing performance, longevity, and safety.