This comprehensive Operation and Maintenance Manual covers the Komatsu PC20R-8, PC25R-8, and PC27R-8 hydraulic excavators, encompassing models with serial numbers 10001 and above. It is an essential resource for operators and maintenance personnel, offering detailed instructions on all aspects of machine operation, handling, lubrication, maintenance, checking, and adjustment.

The manual is meticulously organized and includes numerous illustrations and diagrams to thoroughly guide you through each procedure. It covers a wide range of topics, including safety precautions, general operation, transportation, cold weather operation, long-term storage, troubleshooting, and maintenance schedules.

You will find detailed information on the components of the excavator, along with step-by-step instructions for performing routine maintenance tasks, troubleshooting common issues, and replacing wear parts. The manual also provides specifications, standard tightening torques for bolts and nuts, and a complete list of wear parts.

This manual empowers you to perform repairs, maintain your excavator efficiently, and maximize its lifespan. Its comprehensive content and user-friendly design make it an invaluable tool for anyone working with these Komatsu excavators.

The Komatsu PC20R-8, PC25R-8, and PC27R-8 are compact hydraulic excavators designed for a variety of tasks in confined spaces and demanding conditions. These models are known for their powerful performance, versatility, and operator comfort. The PC20R-8, with its 1.9-ton operating weight, is the smallest of the three, ideal for landscaping, utility work, and light demolition. The PC25R-8 boasts a 2.5-ton operating weight, providing greater lifting capacity for heavier materials handling, trenching, and foundation work. The PC27R-8, at 2.7 tons, offers the most power for tackling larger projects, making it suitable for site preparation, road construction, and more demanding excavation tasks.

These excavators are equipped with Komatsu's renowned Tier 4 Final engines, delivering efficient power and reduced emissions. The hydraulic system is optimized for smooth operation and precise control, enabling operators to complete tasks with accuracy and ease. The ergonomically designed cab provides a comfortable workspace with excellent visibility and intuitive controls. The Komatsu PC20R-8, PC25R-8, and PC27R-8 are built with durability and reliability in mind, featuring robust construction and high-quality components. These machines are backed by a comprehensive network of Komatsu dealers offering parts, service, and technical support to ensure maximum uptime and operational efficiency. For contractors seeking compact excavators that combine power, versatility, and ease of operation, the Komatsu PC20R-8, PC25R-8, and PC27R-8 are excellent choices.