This comprehensive workshop service repair manual provides detailed instructions and diagrams for servicing and repairing the Hyundai HL770-3 backhoe loader. It covers a wide range of topics, from general information and specifications to in-depth breakdowns of various systems.

The manual includes sections on engine operation, including the 10.8L 6-cylinder inline, 4-cycle, turbocharged, water-cooled, M11 diesel engine, as well as the turbocharger system, air induction system, exhaust system, engine electrical system, fuel injection system, engine fuel system, engine cooling system, intake manifold system, air intake system, and lubrication system.

It also covers the powertrain system, including the transmission system, electro-hydraulic shift control, differential system, tire and wheel system, wheel drive & front axle, rear axle-final drive, clutch-drive shaft, hydraulic brake system, parking brake system, brake valve & bleeding, and steering system.

Additional sections explore the hydraulic system, including the loader main control valve, hydraulic main pump, boom section operation, pilot control valve, bucket section operation, main relief valve system, auxiliary section operation, swing section operation, dipper section operation, stabilizer section operation, backhoe RCV lever system, hydraulic oil tank, pilot oil supply unit, steering cylinder, hydraulic cylinder, clam & bucket cylinder, and accumulator-air breather.

The manual also provides comprehensive information on the electrical system, including component location, starting-charging-lighting, monitoring system, console & switches, connector destination, troubleshooting procedure, hydraulic circuit diagrams, and electrical wiring diagrams.

This manual is an invaluable resource for mechanics, technicians, and DIY enthusiasts who need to service or repair the Hyundai HL770-3 backhoe loader. The detailed illustrations and step-by-step instructions make it easy to understand even complex repair procedures.

The Hyundai HL770-3 Backhoe Loader is a powerful and versatile machine designed for a wide range of construction, excavation, and material handling tasks. This heavy-duty machine offers a potent combination of a front-mounted loader bucket for loading and moving materials and a rear-mounted backhoe for digging and trenching. The HL770-3 is built for durability and efficiency, featuring a robust chassis, powerful engine, and responsive hydraulic system. Its high ground clearance and impressive lifting capacity allow it to navigate challenging terrain and handle heavy loads with ease. The machine's ergonomic operator's cab provides a comfortable and safe working environment, with clear visibility and intuitive controls.

The HL770-3 backhoe loader comes equipped with advanced features that enhance its productivity and operator comfort. These include a powerful engine that provides ample torque for demanding tasks, a responsive hydraulic system that allows for precise control of both the loader and backhoe, and a comfortable operator's cab with adjustable controls and ample legroom. The HL770-3 also features a variety of safety features, such as an emergency stop button, a rollover protection structure (ROPS), and a falling object protective structure (FOPS), making it a safe and reliable machine for operators. The HL770-3 is renowned for its fuel efficiency and low maintenance requirements, keeping operating costs down and maximizing uptime. Its versatility and reliability make it an ideal choice for a wide range of applications, from construction sites to road maintenance and utility projects.