This comprehensive Operation & Maintenance Manual provides detailed instructions for operating and maintaining Komatsu PC300-6, PC300LC-6, PC350-6, and PC350LC-6 hydraulic excavators. It covers a wide range of topics, ensuring safe and efficient operation, while also helping you keep your excavator in peak condition.

Inside this manual, you'll find in-depth information on safety procedures, general precautions, and operation guidelines. You'll learn about the excavator's components, how to operate it effectively, and how to transport it safely. The manual addresses specific challenges like cold weather operation and long-term storage. Troubleshooting tips help you diagnose and resolve potential issues.

The manual provides a complete guide to maintenance procedures, including service intervals, wear parts lists, and essential maintenance schedules. You'll find detailed instructions for using fuel, coolant, and lubricants according to ambient temperature. Additionally, the manual includes standard tightening torques for bolts and nuts, along with a schedule for replacing safety-critical parts.

Dedicated sections cover optional attachments, providing detailed instructions on handling buckets with hooks, using seatbelts, and operating the car heater. The manual also includes information on extending your machine's service life and using an auto-greasing system.

This manual is a valuable resource for both operators and maintenance personnel. It provides clear, step-by-step instructions and numerous illustrations, making it easy to understand and apply the information. By following the comprehensive guidelines in this manual, you can ensure maximum efficiency, longevity, and safety for your Komatsu excavator.

The Komatsu PC300-6, PC300LC-6, PC350-6, and PC350LC-6 are powerful and versatile hydraulic excavators renowned for their robust construction, advanced technology, and efficient performance. These models, specifically targeting the 30-35 tonne class, are designed for demanding applications in earthmoving, construction, demolition, mining, and material handling. Key features include a high-torque, fuel-efficient Komatsu SAA6D107E-3 engine coupled with hydraulic systems optimized for smooth operation and high breakout forces. The advanced hydraulic system with load-sensing technology ensures optimal power usage, contributing to fuel efficiency and reduced operating costs. The spacious and ergonomically designed cab provides the operator with excellent visibility, comfortable controls, and a convenient working environment. Advanced safety features, including a comprehensive warning system and multiple safety devices, ensure a secure and reliable operation in diverse work environments.

The Komatsu PC300-6, PC300LC-6, PC350-6, and PC350LC-6 excavators are equipped with Komatsu's proprietary technology, including the Komatsu EMMS (Equipment Management Monitoring System) for real-time machine monitoring and diagnostics. This system provides valuable data for proactive maintenance scheduling, optimizing machine uptime and reducing downtime. The excavators are also compatible with Komatsu's KOMTRAX, a telematics system that provides remote monitoring and management capabilities. KOMTRAX enables remote fleet management, allowing operators to track location, working hours, fuel consumption, and other vital data, enhancing operational efficiency and productivity. The combination of these features makes the Komatsu PC300-6, PC300LC-6, PC350-6, and PC350LC-6 excavators highly efficient, reliable, and safe machines favoured by construction professionals around the world for their demanding projects.