This comprehensive Factory Service/Repair/Workshop Manual provides detailed instructions for maintaining and repairing the Komatsu PC340LC-7 and PC340NLC-7 Hydraulic Excavators, covering serial numbers K45001 and up, manufactured from 2015 onwards. The manual offers a wealth of information, including step-by-step procedures for disassembly, assembly, adjustment, and troubleshooting various components. You'll find detailed diagrams, illustrations, and specifications to guide you through every step of the repair process. This invaluable resource covers everything from routine maintenance tasks like oil changes and filter replacements to complex engine and hydraulic system repairs. With this manual, you'll have access to the official Komatsu documentation, ensuring you have the most accurate and up-to-date information for keeping your PC340LC-7 or PC340NLC-7 excavator in peak operating condition.

The Komatsu PC340LC-7 and PC340NLC-7 are powerful and versatile hydraulic excavators designed for demanding construction and demolition projects. These models are known for their robust build, advanced technology, and exceptional performance. The PC340LC-7 is a standard configuration excavator, while the PC340NLC-7 is a long-reach version offering extended digging capabilities. Both models are powered by a Komatsu SAA6D140E-3 engine, generating ample power for heavy lifting and excavating tasks. They feature a hydraulic system that utilizes a variable displacement pump, providing efficient power distribution and fuel economy. The excavators are equipped with a spacious and comfortable cab, offering operators superior visibility and ergonomics, designed for operator comfort and efficient work. In addition to their raw power, the PC340LC-7 and PC340NLC-7 boast an impressive array of features that enhance their efficiency and safety. These include a sophisticated control system that provides precise control over machine movements, an optional Komatsu integrated operating system (KOMTRAX) that provides real-time machine performance data, and a range of safety features, such as a work mode setting that can be adjusted for varying working conditions. The PC340LC-7 and PC340NLC-7 are designed to meet the demands of a wide range of construction projects, from earthmoving and site preparation to demolition and material handling. Their combination of power, efficiency, and safety makes them a popular choice for contractors and operators alike.