This comprehensive Komatsu PC300-6, PC300LC-6, PC350-6, PC350LC-6 Hydraulic Excavator Service Repair Manual provides in-depth information on maintaining, assembling, disassembling, and servicing your machine. Covering serial numbers 33001 and up for the PC300-6 and PC300LC-6 models, and 12001 and up for the PC350-6 and PC350LC-6 models, this manual is designed to guide you through every aspect of your excavator's operation.

The manual offers detailed specifications, diagrams, and real-life photo illustrations, providing step-by-step instructions for repair, diagnosis, servicing, technical maintenance, and troubleshooting procedures. With this manual, you can confidently identify and resolve issues, understand how to perform repairs, and maintain your machine effectively. The content is organized into clear sections for easy navigation:

* **General:** Introduction and overview of the excavator.
* **Structure and Function:** Detailed explanation of the excavator's components and their functions.
* **Testing and Adjusting:** Procedures for testing and adjusting various systems and components.
* **Disassembly and Assembly:** Step-by-step instructions for taking apart and reassembling different parts of the excavator.
* **Maintenance Standard:** Guidelines and procedures for regular maintenance and inspection.
* **Others:** Additional information and resources, including troubleshooting tips and safety guidelines.

This manual provides everything you need to ensure the efficient and reliable performance of your Komatsu PC300-6, PC300LC-6, PC350-6, or PC350LC-6 Hydraulic Excavator.

The Komatsu PC300-6, PC300LC-6, PC350-6, and PC350LC-6 are powerful hydraulic excavators designed for heavy-duty construction and mining applications. These models, catering to a serial number range starting from 33001 and up for PC300-6/PC300LC-6 and 12001 and up for PC350-6/PC350LC-6, represent Komatsu's commitment to providing reliable and efficient machinery. The PC300-6 and PC350-6 are standard models, while the PC300LC-6 and PC350LC-6 are long-reach configurations, designed for greater reach and versatility in excavation tasks. These excavators feature a robust undercarriage, a powerful engine, and a sophisticated hydraulic system that delivers exceptional digging force and lifting capacity. All models incorporate Komatsu's advanced technology, including a hydraulic system that reduces fuel consumption and emissions while maximizing performance. The spacious and ergonomically designed cabin offers operator comfort and excellent visibility, enhancing productivity and safety.

Further enhancing their capabilities, these Komatsu excavators are compatible with a wide range of attachments, including breakers, grapples, and buckets, enabling them to tackle diverse tasks. The Komatsu PC300-6, PC300LC-6, PC350-6, and PC350LC-6 are known for their reliability, durability, and performance, making them a popular choice for construction and mining companies around the world. The service repair manual, catering to these specific models and serial numbers, provides comprehensive information regarding maintenance, troubleshooting, and repair procedures, ensuring optimal performance and longevity of these heavy-duty excavators. It serves as a valuable resource for technicians and operators, enabling them to efficiently diagnose and resolve any issues encountered during operation.