This comprehensive Komatsu PC400-6 PC400LC-6 Excavator Service & Repair Manual provides detailed instructions for servicing and repairing your excavator. The manual covers a wide range of topics, including:

* **Engine:** Detailed information on the engine, including troubleshooting, maintenance, and repair procedures.
* **Hydraulic System:** Comprehensive coverage of the hydraulic system, including component descriptions, operation, diagnostics, and repair procedures.
* **Undercarriage:** Detailed information on the undercarriage components, including tracks, sprockets, rollers, and idlers.
* **Electrical System:** Thorough coverage of the electrical system, including wiring diagrams, troubleshooting guides, and repair procedures.
* **Cab and Controls:** A complete guide to the cab and controls, including operator instructions, maintenance procedures, and repair information.
* **Troubleshooting and Diagnostics:** Extensive troubleshooting and diagnostics sections to help you identify and resolve problems.
* **Parts Lists and Diagrams:** Detailed parts lists and diagrams to make ordering replacement parts easy.

This manual is an essential resource for anyone who owns or operates a Komatsu PC400-6 PC400LC-6 Excavator. Whether you are a professional mechanic or a DIY enthusiast, this manual will provide you with the information you need to keep your excavator running smoothly.

The Komatsu PC400-6 and PC400LC-6 excavators are heavy-duty construction machines renowned for their power, reliability, and versatility. These models are classified as 40-ton excavators, boasting impressive digging and lifting capabilities that make them suitable for a wide range of applications, including large-scale infrastructure projects, mining, quarrying, and heavy demolition work. The PC400-6 and PC400LC-6 feature a robust, durable design, with a powerful diesel engine driving a hydraulic system that powers the excavator's movement and attachments. These excavators are equipped with advanced hydraulic systems for precise control and smooth operation. They offer various configurations, including standard, long-reach, and high-reach options, enabling operators to tackle diverse tasks effectively. The PC400-6 and PC400LC-6 incorporate operator-friendly features, such as ergonomic cabins, improved visibility, and user-friendly controls, enhancing operator comfort and productivity.

The Komatsu PC400-6 and PC400LC-6 excavators, while robust and reliable, require regular maintenance and repairs to ensure optimal performance and longevity. The Komatsu PC400-6 PC400LC-6 Excavator All Service Repair Manual provides a comprehensive guide for technicians and mechanics tasked with servicing and repairing these machines. The manual includes detailed technical information, exploded diagrams, repair procedures, and troubleshooting tips, covering all aspects of the excavator's operation. From engine and hydraulic system maintenance to electrical system diagnosis, the manual empowers technicians to efficiently diagnose and resolve issues, ensuring the machine's uptime and operational efficiency. The manual is an essential tool for anyone involved in the maintenance, repair, or operation of Komatsu PC400-6 and PC400LC-6 excavators. Its detailed information and clear instructions facilitate efficient and effective troubleshooting, repair, and maintenance, extending the lifespan and performance of these powerful construction machines.