This comprehensive Komatsu PC290LC-6K, PC290NLC-6K Hydraulic Excavator Service Repair Manual provides detailed technical information for servicing and repairing your Komatsu excavator. This manual covers all aspects of maintenance and repair, including detailed diagrams, step-by-step instructions, and troubleshooting guides. It features detailed information on all systems, including the engine, hydraulics, electrical system, undercarriage, and more. The manual covers models with serial numbers K30001 K34001 and up, ensuring you have the most up-to-date information for your specific machine. Whether you're a professional mechanic or a DIY enthusiast, this manual will be an invaluable resource for keeping your Komatsu excavator running smoothly.

The Komatsu PC290LC-6K and PC290NLC-6K are powerful and versatile hydraulic excavators designed for a wide range of construction and demolition applications. These machines, with serial numbers K30001 and K34001 and up, are renowned for their durability, efficiency, and operator comfort. The PC290LC-6K is equipped with a robust Komatsu SAA6D107E-3 engine, delivering a powerful yet fuel-efficient performance, while the PC290NLC-6K offers a similar power output with a slightly larger operating weight. Both models feature a sophisticated hydraulic system, optimized for smooth and precise operation, enabling effortless digging, lifting, and loading tasks. The excavators are also equipped with a spacious and ergonomically designed cab, providing a comfortable working environment for the operator, with excellent visibility and intuitive controls. Safety features are paramount, with advanced systems such as the Komatsu EMMS (Engine and Machine Management System) monitoring key functions and providing vital information for enhanced operation and maintenance. Beyond their powerful performance, the PC290LC-6K and PC290NLC-6K are designed for efficiency and ease of maintenance. The Komatsu EMMS system optimizes fuel consumption and engine performance, reducing operating costs and minimizing environmental impact. The excavators also feature a user-friendly design, with easy access to key components for routine maintenance and repairs. The Komatsu PC290LC-6K and PC290NLC-6K are renowned for their reliability and durability, ensuring long-lasting performance even in demanding work environments. These features, coupled with their advanced technology and operator-centric design, make them ideal choices for contractors and construction professionals seeking a powerful, efficient, and reliable hydraulic excavator for a wide range of tasks.