This comprehensive Service Repair Manual provides in-depth information for the Komatsu PC128US-2, PC138US-2, and PC138USLC-2E0 Hydraulic Excavators. It covers a wide range of topics essential for maintaining, assembling, disassembling, and servicing your excavator.

The manual includes detailed specifications, diagrams, and real-life photo illustrations to guide you through each step of the repair process. You'll find clear instructions for diagnosing issues, performing technical maintenance, and troubleshooting common problems.

This manual is organized into sections, including:

* **General:** Covers fundamental information about the excavator.
* **Structure and Function:** Explains the components and their workings in detail.
* **Testing and Adjusting:** Provides guidance on testing and adjusting various systems.
* **Disassembly and Assembly:** Offers step-by-step instructions for taking apart and putting back together components.
* **Maintenance Standards:** Outlines recommended maintenance procedures and schedules.
* **Others:** Includes additional information and resources.

This manual empowers you to confidently handle repairs and maintenance on your Komatsu excavator, saving you time and money.

The Komatsu PC128US-2, PC138US-2, and PC138USLC-2E0 are powerful and versatile hydraulic excavators designed for a wide range of construction and earthmoving tasks. These models are known for their reliability, efficiency, and operator comfort. The PC128US-2 is a mid-sized excavator with a robust design and a powerful engine, capable of handling heavy-duty digging, loading, and material handling applications. The PC138US-2 offers increased lifting capacity and a longer reach compared to the PC128US-2, making it suitable for larger projects. The PC138USLC-2E0 is a long-reach version of the PC138US-2, designed for applications where extended reach is required, such as trenching and utility work.

These Komatsu excavators feature a range of advanced features that contribute to their performance and efficiency. They are equipped with powerful, fuel-efficient engines that meet emission regulations. The hydraulic system is designed for precise control and smooth operation, allowing for efficient digging and loading. The operator cab is spacious and ergonomic, with excellent visibility and controls that promote operator comfort and reduce fatigue. The excavators also feature a robust undercarriage and durable components, ensuring long-term reliability and durability even in demanding conditions. These Komatsu excavators are popular choices for construction professionals due to their dependability, power, and versatility, making them valuable assets for a variety of projects.