This comprehensive manual is your ultimate resource for maintaining, assembling, disassembling, and servicing your Komatsu PC800-8, PC800LC-8, PC800SE-8, PC850-8, and PC850SE-8 Hydraulic Excavators. It contains a wealth of detailed information across three key sections:

**Service Repair Manual:** Dive deep into the intricacies of your machine with this section. It provides specifications, diagrams, real-life photo illustrations, and comprehensive schematics, guiding you through every step of repair, diagnosis, servicing, technical maintenance, and troubleshooting procedures. This manual empowers you to identify and resolve issues efficiently, allowing you to maintain your machine effectively without relying solely on external service.

**Operation & Maintenance Manual:** This section is your guide to operating and maintaining your Komatsu excavator safely and efficiently. Discover procedures for operation, handling, lubrication, maintenance, checks, and adjustments. It equips both operators and maintenance personnel with the knowledge needed to ensure peak performance while prioritizing economy and safety during every operation.

**Field Assembly Manual:** This section provides step-by-step instructions for safely and effectively assembling your Komatsu PC800-8, PC800LC-8, PC800SE-8, PC850-8, and PC850SE-8 Hydraulic Excavator. It includes detailed assembly procedures, parts installation instructions, adjustment guidelines, and essential maintenance procedures to ensure optimal performance after completion of the assembly process. This manual serves as your comprehensive guide for a successful field assembly.

This manual covers the following machine model serial numbers:

* PC800-8 - S/N: 50001 and up
* PC800SE-8 - S/N: 50001 and up
* PC800LC-8 - S/N: 50001 and up
* PC850-8 - S/N: 10001 and up
* PC850SE-8 - S/N: 10001 and up

This complete and detailed manual is organized for easy navigation with bookmarks and a searchable index, ensuring that the information you need is readily accessible.

The Komatsu PC800-8, PC800LC-8, PC800SE-8, PC850-8, and PC850SE-8 hydraulic excavators are heavy-duty machines designed for large-scale excavation and material handling projects. These models are renowned for their power, durability, and efficiency, making them ideal for mining, quarrying, construction, and other demanding applications. The PC800-8 series is powered by a 12-cylinder Komatsu SAA6D170E-6 engine, generating impressive horsepower and torque for exceptional digging force. The excavators boast a robust undercarriage and a spacious, ergonomically designed cab that prioritizes operator comfort and safety. Their advanced hydraulic systems provide precise control and responsiveness, allowing for efficient operation even in challenging conditions.

The PC800-8 series is equipped with a range of features designed to enhance productivity and reduce operational costs. These include a powerful hydraulic system that delivers smooth and efficient digging performance, a robust undercarriage that ensures stability and long-term durability, and advanced electronic control systems that optimize performance and minimize fuel consumption. The PC800-8 series excavators also incorporate various safety features, such as a comprehensive operator protection system, an emergency shutdown system, and a comprehensive warning system. These safety features ensure a safe and productive work environment for operators. The Komatsu PC800-8 series excavators are a testament to Komatsu's commitment to innovation and excellence, delivering a powerful, reliable, and efficient solution for large-scale heavy-duty applications.