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TM320-TM420 SERVICE MANUAL
The TM320-TM420 Service Manual is a comprehensive resource that provides information on the technical data, engine, hydraulics, and electric system of the TM320 and TM420 excavators.
- Technical Data
The TM320 and TM420 excavators have a digging depth of 6.3 to 8.6 m and a bucket capacity of 1.5 to 2.1 m3. They are 2×4 all-wheel drive machines that are powered by 136 to 186 kW diesel engines. The TM320 and TM420 excavators have a maximum operating weight of 22 to 35 t.
- Engine
The TM320 and TM420 excavators are powered by 136 to 186 kW diesel engines that meet the latest emission standards. The engines are equipped with a turbocharger and intercooler for maximum performance. The engines are also equipped with a diagnostic system that can help you identify and troubleshoot problems.
- Hydraulic System
The TM320 and TM420 excavators have a closed-center hydraulic system with a load-sensing control valve. The closed-center system ensures that the hydraulic fluid is always under pressure, which provides smooth and responsive operation. The load-sensing control valve regulates the flow of hydraulic fluid to the actuators, which helps to improve fuel efficiency and reduce wear on the components.
- Electric System
The TM320 and TM420 excavators have an 12 V electrical system. The electrical system powers the engine starting system, lights, and other components. The excavators also have an optional 24 V electrical system, which is required for some attachments.
- In addition to the technical information, the TM320-TM420 Service Manual also covers the following topics:
- Safety procedures
- Maintenance schedules
- Troubleshooting tips
- Repair procedures
This manual is designed for operators, mechanics, and owners of the TM320 and TM420 excavators. It is a comprehensive resource that can help you keep your machine in top condition.