HITACHI EX300-3 Excavator Service Repair Manual

The Hitachi EX300-3 Excavator Service Repair Technical Manual is a comprehensive resource for both professional mechanics and DIY enthusiasts. It consists of two main portions: the Technical Manual (Troubleshooting) and the Workshop Manual.

The Technical Manual (Troubleshooting) includes essential technical information required for operational performance tests and troubleshooting procedures. On the other hand, the Workshop Manual contains crucial technical details for the maintenance and repair of the machine, along with the necessary tools and devices, maintenance standards, and removal/installation and assemble/disassemble procedures.

The Technical Manual is divided into several sections:

• Section 1 - Specification, covering general information, dimensions and weights, fuels and lubricants, interchangeability, machine numbers, and component specifications.
• Section 2 - Upperstructure, encompassing layout, tanks, pump device, control valve, swing device, pilot valve, and other relevant aspects.
• Section 3 - Undercarriage, outlining the travel device and other related components.
• Section 4 - Electrical System, including component location, control system, monitor, circuit operation, and inspection and maintenance details.
• Section 5 - Hydraulic System, covering general information, control system, and control circuit.
• Section 6 - Operational Performance Test, encompassing performance tests, standards, engine tests, excavator tests, and hydraulic component tests.
• Section 7 - Troubleshooting, providing a diagnosing procedure, connector details, troubleshooting sections A, B, and C, harness check, and electrical and hydraulic schematics.

The Workshop Manual includes sections such as general information, precautions for disassembling and assembling, tightening torque, upperstructure details, undercarriage components, front attachment, engine and accessory information, and file format specifications.

This manual, with a total of 860 pages and a size of 57Mb, is presented in English and contains specs, diagrams, real photo illustrations, and schemes. Its digital format allows for efficient searching and printing of specific pages as needed. Whether for diagnosing, repairing, or maintaining Hitachi machinery, this manual is an invaluable resource.

If you have any questions or are in search of a specific manual, feel free to reach out. Have a great day!