This comprehensive workshop service repair manual provides detailed information for the Hyundai Robex R80-7 crawler/midi excavator. This manual covers the 3.3L 4-cylinder inline, 4-cycle, water-cooled, Yanmar 4TNV98 diesel engine and the 3.1L 4-cylinder inline, 4-cycle, water-cooled, Yanmar 4TNV94L diesel engine. It includes a wealth of information to guide you through various repair and maintenance procedures.

You will find detailed instructions and diagrams on general information, general precautions, specifications, periodic maintenance, special tools, tightening torque, lubrication charts, hydraulic pump system, main control valve, main pump system, travel device operation, boom device operation, bucket device operation, swing device operation, arm roll operation, reduction gear system, rear flange system, idler and recoil spring, boom, arm and bucket cylinders, make up valve-relief valve, service brake system, hydraulic motor system, brake valve-safety valve, parking brake system, RCV lever-turning joint, mechatronics system, power mode selection system, anti-restart system, self-diagnostic system, engine control system, suction, delivery and return circuit, travel speed control system, electrical system, electrical component location, monitoring system, cluster function system, light and switches, connector destination, undercarriage-carrier roller, component mounting torque, engine removal/installation, lubrication system, engine cooling system, fuel injection system, engine fuel pump/governor, starting motor-alternator, troubleshooting procedure, hydraulic circuit diagrams, and electrical wiring diagrams.

This manual is an invaluable resource for both DIY enthusiasts and experienced mechanics, providing step-by-step instructions based on a complete disassembly of the machine. It empowers you to confidently handle routine maintenance and more complex repairs, saving you time and money in the long run.

The ROBEX R80-7 Crawler Excavator is a powerful and versatile construction machine designed for heavy-duty excavation and material handling tasks. This model, part of the R80 series, boasts a robust build and advanced hydraulic system to deliver efficient performance across various applications. The R80-7 is equipped with a powerful diesel engine that provides ample torque for digging, lifting, and loading heavy materials. Its tracks offer exceptional stability and traction, allowing it to navigate uneven terrain and challenging work sites with ease. The R80-7's advanced hydraulic system ensures precise control and smooth operation of the boom, arm, and bucket, enabling operators to execute intricate maneuvers with accuracy.

The R80-7's operator cabin is designed for comfort and productivity. It features ergonomic controls, adjustable seats, and ample visibility to ensure operator comfort and efficient operation. The machine also incorporates safety features like emergency stops and overload protection systems to ensure operator safety and prevent accidents. With its robust design, powerful engine, and advanced hydraulic system, the ROBEX R80-7 Crawler Excavator is an indispensable asset for construction, demolition, and infrastructure projects, providing contractors with the power and versatility needed to tackle even the most demanding tasks. The R80-7 is a reliable and efficient machine that can handle a wide range of applications, making it a popular choice among construction professionals worldwide.