This comprehensive field assembly instruction manual provides detailed guidance for assembling Komatsu hydraulic excavators, specifically models PC800-8E0, PC800LC-8E0, PC800SE-8E0, PC850-8E0, and PC850SE-8E0 with serial numbers 65001 and above. The manual is designed for both novice and experienced technicians, offering clear and informative instructions to ensure a successful assembly process.

The manual begins with crucial information on specifications, safety precautions during assembly, proper disposal of removed parts, and a detailed assembly schedule. A kit layout diagram helps visualize the components, while a list of essential tools and their tightening torques are provided for reference. You'll find specifications on coating materials used throughout the construction.

The main body of the manual focuses on step-by-step assembly procedures, categorized by component:

* **Chassis Assembly:** This section covers the assembly of the excavator's base, including the undercarriage and structural components.
* **Backhoe Work Equipment Assembly:** Detailed instructions for assembling the backhoe arm, bucket, and associated hydraulic systems.
* **Loading Shovel Work Equipment Assembly:** Covers the assembly of the loading shovel attachment, including the boom and bucket.
* **Counterweight Remover Assembly:** Instructions for assembling the specialized equipment used to remove the excavator's counterweight.

The manual concludes with a thorough inspection and maintenance procedure to be performed upon completion of the assembly. This section includes detailed checklists for both backhoe and loading shovel configurations, ensuring that the excavator is ready for operation.

The Komatsu PC800-8E0, PC800LC-8E0, PC800SE-8E0, PC850-8E0, and PC850SE-8E0 hydraulic excavators are powerful and versatile machines designed for large-scale earthmoving and construction projects. These models are known for their robust construction, advanced technology, and exceptional performance. They boast a high digging force, impressive lifting capacity, and efficient operation, making them ideal for challenging tasks such as quarrying, mining, and heavy infrastructure projects.

The PC800-8E0 series is equipped with a powerful Komatsu SAA6D170E-6 engine, delivering impressive power and torque while maintaining fuel efficiency. The excavators feature a durable undercarriage with reinforced tracks and robust components, ensuring lasting performance in demanding environments. Komatsu's advanced hydraulic system optimizes digging force and lifting capacity, making them highly efficient and productive. Additionally, the operator cab is designed with ergonomics in mind, providing a comfortable and safe working environment with excellent visibility and intuitive controls. These excavators also feature various safety features, such as a rollover protection structure (ROPS) and a falling object protection structure (FOPS), ensuring the operator's safety during demanding operations.