This comprehensive service repair manual provides in-depth information for maintaining, assembling, disassembling, and servicing your Komatsu PC228US-3 and PC228USLC-3 hydraulic excavators. It covers all aspects of these models, including the SAA6D102E-2 engine, with specific details found in the 102 Series Engine Shop Manual. The manual is designed to empower you with the knowledge and instructions to perform repairs and troubleshooting effectively.

You'll find detailed specifications, clear diagrams, and real-life photo illustrations throughout the manual, guiding you step-by-step through every procedure. This comprehensive guide covers everything from general information and maintenance standards to testing, adjusting, disassembly, assembly, and other essential topics. The user-friendly format includes bookmarks and a search function, making it easy to locate the specific information you need. Whether you're a seasoned mechanic or a DIY enthusiast, this manual will equip you with the knowledge to confidently maintain and repair your Komatsu PC228US-3 or PC228USLC-3 hydraulic excavator.

The Komatsu PC228US-3 and PC228USLC-3 hydraulic excavators are powerful and versatile machines designed for a wide range of construction and earthmoving applications. These models, aimed at medium-sized projects, are known for their efficiency, reliability, and operator comfort. The PC228US-3, a standard model, offers a balance of power and maneuverability, making it suitable for various tasks like digging, loading, and material handling. The PC228USLC-3, on the other hand, is a long-reach configuration with an extended boom and stick, enabling it to reach greater distances and tackle challenging jobs involving deep excavations or working in confined spaces. Both models feature a robust design with a durable undercarriage and a powerful Komatsu SAA4D107E-3 engine, providing ample power and torque for demanding operations. The excavators also boast advanced hydraulic systems for precise control and smooth operation, along with operator-friendly features like a spacious cab with excellent visibility and ergonomic controls.

The Komatsu PC228US-3 and PC228USLC-3 are equipped with a wide range of features that enhance their performance and efficiency. These include a hydraulic system with variable displacement pumps for optimized energy consumption, a load-sensing system for efficient power management, and a swing priority system that ensures rapid swing operations. Both models are also equipped with advanced safety features, such as a safety lock system for the boom and arm, an emergency stop button, and a comprehensive alarm system. These safety features prioritize operator well-being and minimize potential risks during operation. Moreover, these excavators are built with durability and ease of maintenance in mind, featuring robust components and convenient access points for service and repairs. This focus on reliability and serviceability makes them attractive choices for construction companies looking for long-lasting, low-maintenance equipment.