This comprehensive Komatsu Hydraulic Excavator PC20MR-2 Operation and Maintenance Manual provides detailed information on all aspects of operating and maintaining your equipment. It covers everything from pre-operation checks and daily inspections to troubleshooting and repair procedures. The manual includes detailed illustrations and diagrams to guide you through each step. You'll find information on: * **Safety Procedures:** Understand the importance of safety and learn proper operating practices to prevent accidents and injuries. * **Operation:** Master the controls and features of the PC20MR-2 excavator, including hydraulic systems, travel, and digging techniques. * **Maintenance:** Learn how to perform routine maintenance tasks such as checking fluid levels, lubricating components, and replacing filters. This manual ensures your excavator operates efficiently and reliably. * **Troubleshooting:** Identify and resolve common problems encountered while operating the PC20MR-2, saving time and reducing downtime. * **Technical Specifications:** Access detailed technical specifications, including engine data, hydraulic system parameters, and component dimensions. * **Parts Diagrams:** Utilize detailed parts diagrams to easily identify and order replacement components. Investing in this manual empowers you to keep your Komatsu PC20MR-2 excavator in peak condition, maximizing its performance and lifespan.

## The Komatsu PC20MR-2: A Compact Excavator Built for Versatility and Performance The Komatsu PC20MR-2 is a compact hydraulic excavator designed for a wide range of applications, from landscaping and utility work to light construction and demolition. Its compact size, powerful engine, and versatile hydraulic system make it a highly maneuverable and efficient machine for tight spaces and challenging terrains. Weighing in at approximately 2,000 kg (4,400 lbs), the PC20MR-2 is significantly smaller than its larger counterparts, allowing it to navigate confined areas with ease. Equipped with a powerful Yanmar 3TNV88 engine, the PC20MR-2 delivers an impressive output of 14.7 kW (19.7 hp), providing ample power for digging, lifting, and loading materials. This engine benefits from its fuel-efficient design, resulting in lower operating costs. Furthermore, the Komatsu PC20MR-2 possesses efficient hydraulics with a maximum digging force of over 14 kN (3,200 lbs) and a lifting capacity of approximately 1,000 kg (2,200 lbs). This combination of power and control enables the operator to perform various tasks with ease and precision, making it a valuable asset for diverse projects. Beyond its power and maneuverability, the Komatsu PC20MR-2 boasts a host of features that enhance operator comfort and safety. The spacious, ergonomically designed cab provides a comfortable and intuitive operating environment, with easy-to-use controls and excellent visibility. The operator seat is adjustable and padded, and the control levers are designed to minimize fatigue during extended operation. Komatsu has also incorporated a number of safety features into the PC20MR-2, including an emergency stop button, a rollover protection system (ROPS), and a fall-over protection structure (FOPS). These measures ensure the operator’s well-being in the event of an accident or unexpected incident. The PC20MR-2 also benefits from a robust construction and high-quality components, contributing to its long service life and minimal downtime. Its compact size and ease of maintenance make it ideal for small businesses and contractors looking for reliable, cost-effective operation.