This comprehensive Hitachi EX100-3 workshop manual provides detailed instructions for maintaining and repairing your excavator. Spanning 593 pages, this manual offers a wealth of information organized into distinct sections, ensuring easy navigation and efficient problem-solving. Section 1 lays the groundwork with essential safety guidelines and general information, setting the stage for effective and responsible work. Section 2 dives into the intricacies of the upper structure, guiding you through disassembly and assembly processes for critical components like hydraulic pumps, swing mechanisms, and control valves. Section 3 focuses on the undercarriage, providing detailed procedures for assembling and disassembling the travel motor, rollers, track adjusters, and other key elements that underpin the excavator's movement. Section 4 delves into the front attachment, offering step-by-step instructions for dismantling and reassembling hydraulic cylinders and other components essential for efficient digging and material handling. Section 6 is dedicated to the engine and its accessories, offering a comprehensive overview of engine disassembly and assembly, detailed specifications, and thorough inspection procedures. This section includes detailed information on the following Isuzu engines: 4BD1, 4BD1T, 6BB1, 6BD1, and 6BD1T, ensuring comprehensive coverage of engine-related tasks. While this manual provides extensive coverage, it does not include the electrical section.

The Hitachi EX100-3 is a compact yet powerful excavator designed for a wide range of applications, from construction and demolition to landscaping and material handling. It is a highly sought-after machine known for its reliability, durability, and versatility. The EX100-3 boasts a powerful engine capable of delivering ample torque and horsepower, allowing it to tackle demanding tasks with ease. The excavator's compact footprint makes it ideal for working in tight spaces, while its robust construction and high ground clearance ensure it can handle tough terrain. The EX100-3 comes equipped with a range of features designed to enhance operator comfort and productivity. Its spacious cabin offers excellent visibility and ergonomics, while the intuitive control system allows for precise and responsive operation. The excavator also features a variety of safety features, including a rollover protection system (ROPS) and a falling object protection structure (FOPS), to protect the operator in the event of an accident. Its versatility is further enhanced by the availability of various attachments. These include hydraulic breakers, hammers, grapples, and buckets, allowing the EX100-3 to perform diverse tasks efficiently. The combination of power, maneuverability, and versatility makes the Hitachi EX100-3 a highly valuable asset for construction companies, contractors, and anyone involved in earthmoving operations.