This comprehensive Komatsu PC228US-3 and PC228USLC-3 Hydraulic Excavator Service Shop Repair Manual provides detailed instructions for maintaining, assembling, disassembling, and servicing your Komatsu PC228US-3 and PC228USLC-3 excavators. The manual covers all aspects of these machines, from basic maintenance to complex repairs, with clear and easy-to-follow instructions. The manual is specifically designed for serial numbers 30001 and up. It also includes information on the SAA6D102E-2 engine, which is mounted on the PC228US-3 and PC228USLC-3 models. For detailed engine information, refer to the 102 Series Engine Shop Manual. The manual is organized into sections that cover the following topics: * **General:** Provides an overview of the excavator, its components, and operating principles. * **Structure, Function, and Maintenance Standard:** Details the excavator's construction, function, and recommended maintenance practices. * **Testing and Adjusting:** Provides step-by-step instructions for testing and adjusting various components of the excavator. * **Disassembly and Assembly:** Offers detailed instructions for disassembling and reassembling various components, including detailed diagrams and illustrations. * **Others:** This section includes additional information on specific topics relevant to the excavator. This manual is packed with information like specifications, diagrams, real-world photos, and schematics. It offers complete step-by-step instructions for repair, servicing, technical maintenance, and troubleshooting procedures. You will have everything you need to understand how to repair and maintain your machine. This manual empowers you to identify and troubleshoot problems, enabling you to perform repairs and maintenance without relying on external service providers.

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, featuring serial numbers 30001 and up, are known for their robust construction, efficient performance, and operator comfort. The PC228US-3 offers exceptional power and digging force, making it ideal for heavy-duty excavation, while the PC228USLC-3 is a long-reach version with extended boom and stick, suited for applications requiring greater reach and working range. Both models are equipped with Komatsu's advanced hydraulic system, ensuring smooth and responsive operation. The robust undercarriage provides stability and durability even in challenging terrain conditions. Operator comfort is prioritized with a spacious and ergonomically designed cab, featuring a comfortable seat, intuitive controls, and a clear view of the work area. The PC228US-3 and PC228USLC-3 are highly reliable machines, known for their low operating costs and long service life. These excavators are equipped with various safety features, including emergency shut-off switches, a robust rollover protection structure (ROPS), and an optional falling object protection structure (FOPS), enhancing operator safety and minimizing the risk of accidents. The PC228US-3 and PC228USLC-3 are versatile and efficient machines, capable of tackling a wide range of tasks, from general excavation and loading to utility work and demolition.