This comprehensive Komatsu PC490LC-11 Hydraulic Excavator Workshop Service Repair Manual, covering serial numbers A41001 and up, provides detailed instructions and illustrations for servicing and repairing your machine. This manual is designed to be your go-to resource for all maintenance and repair needs. It contains detailed step-by-step procedures, comprehensive diagrams, and specific technical data, covering a wide range of topics including: * **Engine:** Detailed information on the engine's operation, maintenance, and repair, including sections on fuel systems, cooling systems, lubrication systems, and electrical systems. * **Hydraulic System:** In-depth coverage of the hydraulic system, including components like hydraulic pumps, valves, cylinders, and motors. It provides information on troubleshooting, repair, and maintenance procedures. * **Undercarriage:** Comprehensive information on the undercarriage components, including tracks, sprockets, idlers, and rollers. This section details maintenance, adjustment, and repair procedures. * **Electrical System:** Detailed information on the electrical system, including wiring diagrams, troubleshooting procedures, and repair instructions for components like sensors, switches, and control modules. * **Cab and Operator Controls:** Provides information on the cab and operator controls, including the operation, maintenance, and repair of components like the seat, windows, and climate control system. * **Troubleshooting:** Features a comprehensive troubleshooting guide to help diagnose and resolve issues with your PC490LC-11 excavator. * **Specifications:** Includes detailed technical specifications for the PC490LC-11, including dimensions, weights, capacities, and fluid specifications. * **Parts Lists:** Provides detailed parts lists for all major components of the excavator, making it easy to identify and order replacement parts. This manual is an essential tool for any technician or owner working on the Komatsu PC490LC-11 Hydraulic Excavator. It ensures proper maintenance, repair, and troubleshooting, maximizing uptime and performance.

## Komatsu PC490LC-11 Hydraulic Excavator: A Powerful Workhorse The Komatsu PC490LC-11 is a robust and highly capable hydraulic excavator designed for demanding construction and earthmoving applications. This model, featuring a serial number A41001 and up, boasts a powerful engine and sophisticated hydraulic system, enabling it to tackle a wide range of tasks with ease and efficiency. The PC490LC-11 utilizes a Komatsu SAA6D140E-3 engine, known for its durability and fuel efficiency. This engine delivers impressive power and torque, allowing the excavator to move large volumes of earth, break up tough materials, and perform heavy lifting with confidence. The excavator's hydraulic system is designed for precision and speed, ensuring smooth operation and efficient utilization of power. The PC490LC-11 incorporates a number of innovative features that enhance its performance and operator comfort. These include a spacious and ergonomic cab with excellent visibility, a comfortable operator seat, and a user-friendly control panel. The machine also benefits from advanced safety features such as a comprehensive monitoring system and a high-strength structure designed to protect the operator in the event of a rollover or other accident. The Komatsu PC490LC-11 is built for longevity and reliability, featuring components designed for long service life and easy maintenance. Its robust construction and advanced engineering make it a trustworthy workhorse for demanding construction projects, ensuring maximum productivity and uptime for its operators.