This comprehensive Komatsu PC400 PC400LC-7 Hydraulic Excavator Workshop Service Manual is your ultimate guide to repairing and maintaining this powerful machine. Packed with detailed information, this manual provides everything you need to tackle any job, from routine maintenance to complex repairs. The manual is organized for easy navigation, with clear instructions and step-by-step procedures for every component, system, and assembly. Benefit from precise explanations, accompanied by numerous illustrations, exploded diagrams, drawings, and photos. These visual aids make it easy to understand even the most intricate procedures. This manual goes beyond just telling you what to do; it provides critical information on why procedures are important, including special notes, important points, service data, precautions, and more. Key features include: * **Detailed information:** Covers everything from engine and hydraulic systems to undercarriage components, electrical systems, and more. * **Step-by-step procedures:** Easy-to-follow instructions guide you through every repair and maintenance task, ensuring accuracy and safety. * **Visual aids:** Numerous illustrations, exploded diagrams, drawings, and photos enhance understanding and make procedures easier to follow. * **Troubleshooting guides:** Identify and resolve problems efficiently with comprehensive troubleshooting sections. * **Specification charts:** Access critical data like torque values, adjustment settings, and wear limits directly from the manual. This manual is your one-stop resource for all your Komatsu PC400 PC400LC-7 Hydraulic Excavator service needs. Whether you're a seasoned mechanic or a DIY enthusiast, this manual empowers you to maintain your machine to the highest standards.

The Komatsu PC400 PC400LC-7 Hydraulic Excavator is a powerful and versatile machine designed for heavy-duty construction and excavation projects. This model, part of Komatsu's renowned PC400 series, is known for its impressive performance, durability, and technological advancements. The PC400LC-7 boasts a robust design, featuring a powerful Komatsu SAA6D170E-7 engine with a 15.5-liter displacement, delivering high torque and exceptional digging force. Its advanced hydraulic system provides precise control, efficient operation, and enhanced fuel economy, making it a preferred choice for demanding applications. The machine's operator cabin is ergonomically designed for comfort and ease of use, offering excellent visibility and intuitive controls for optimal operator productivity. The PC400LC-7 incorporates advanced features that enhance safety, efficiency, and environmental responsibility. These include a sophisticated monitoring system that provides real-time data on machine performance and alerts operators to potential issues. The excavator also features a range of safety features, such as a comprehensive safety system that includes emergency stop switches, overload protection, and a robust structure designed to withstand challenging working conditions. The PC400LC-7 is equipped with a highly efficient hydraulic system that minimizes fuel consumption, reducing operating costs and minimizing environmental impact. Komatsu's commitment to sustainability is evident in the PC400LC-7's design, incorporating emissions-reducing technologies to meet stringent environmental regulations.