This comprehensive collection provides essential technical information for servicing and maintaining Komatsu PC228US-2 and PC228USLC-2 excavators, equipped with the renowned 102 series SA6D102E engine. The workshop manual for the PC228US-2 and PC228USLC-2 models offers detailed instructions for a wide range of maintenance procedures, repair tasks, and troubleshooting steps. It covers components such as the hydraulic system, undercarriage, electrical system, and operator's cab. However, it's important to note that the machine workshop manual does not provide a fully comprehensive guide for the engine itself. For in-depth engine-specific information, the dedicated Komatsu 102 series engine shop manual is included. It delves into the intricacies of the SA6D102E engine, offering detailed descriptions, diagrams, and instructions for engine disassembly, reassembly, and repair. This manual is a valuable resource for technicians and mechanics seeking a thorough understanding of this powerful engine.

The Komatsu PC228US-2 and PC228USLC-2 are powerful and versatile excavators designed for a wide range of construction and earthmoving applications. These models are known for their robust construction, advanced hydraulic system, and operator-friendly features. The PC228US-2 is a standard configuration excavator, while the PC228USLC-2 is a long undercarriage variant offering increased stability and reach for working in challenging terrain. Both models are powered by the reliable Komatsu SAA4D107E-3 engine, delivering strong horsepower and torque for efficient digging and lifting. The excavators feature a spacious and ergonomic cab with excellent visibility, providing the operator with a comfortable and productive working environment. They also incorporate a range of safety features, including a robust ROPS/FOPS structure to protect the operator in case of rollovers or falling objects. The Komatsu PC228US-2 and PC228USLC-2 are equipped with a powerful hydraulic system that delivers high digging forces and smooth operation. The system incorporates features like variable displacement pumps and hydraulic controls that optimize fuel efficiency and performance. The excavators are also equipped with a wide range of attachments, including buckets, breakers, and grapples, to handle various tasks. These excavators are known for their durability and reliability, making them ideal for demanding construction projects, trenching, landscaping, and demolition work. Their advanced features, like the Komatsu EMMS (Engine and Machine Management System), provide real-time monitoring of key machine parameters, enabling proactive maintenance and reducing downtime. With their strong performance, operator comfort, and safety features, the Komatsu PC228US-2 and PC228USLC-2 are highly sought-after excavators in the construction industry, offering users a reliable and efficient solution for various tasks.