Komatsu PC100-6, PC120-6 Hydraulic Excavator repair manual

Product-Details and Specs:
Pages: 1036
Models, type / manufacturer: PC100-6, PC120-6 / Komatsu Limited
Engine specs (PC100-6): S4D102E, 239.3cu in, 4 cylinders, 80.5hp, 2100rpm.

Engine specs (PC120-6): S4D102E, 239.3 cu in, 4 cylinders, 85.9 hp, 2200rpm.
Serial numbers or parts numbers
Komatsu PC100-6 - S/N 40001- 45220
Komatsu PC120-6 - S/N 45001- and up
Manual Language: English
Manual format: PDF / e-book (zip)
Printable: Yes

Availability: Instant download


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15 tech specs about the Komatsu PC100-6 excavator:


1. The Komatsu PC100-6 hydraulic excavator is equipped with a Komatsu SAA6D95L-2 engine.
2. The engine has a displacement of 5.9 liters and is a six-cylinder, direct-injection diesel.
3. The engine produces 75 horsepower (56 kW) at 2,200 RPM.
4. The engine is equipped with a turbocharger and an air-to-air intercooler.
5. The engine has an electronic governor, which ensures precise speed control.
6. The engine meets EPA Tier 2 emissions standards.
7. The engine has a fuel-efficient design, with a high-pressure common-rail fuel system.
8. The engine has a high power-to-weight ratio, which provides excellent performance in a compact design.
9. The engine has a dry-type air cleaner with a dual-element, replaceable paper filter.
10. The engine has a gear-driven oil pump, which provides reliable lubrication and cooling to the engine components.
11. The engine has a heavy-duty alternator, which provides reliable electrical power.
12. The engine has a service access cover, which allows easy access for maintenance and service.
13. The engine is equipped with a large-capacity, high-efficiency radiator and hydraulic oil cooler.
14. The engine is designed with a low profile, which provides excellent visibility and access to the components.
15. The engine is backed by Komatsu's global network of service and support, ensuring that parts and service are readily available when needed.

The Komatsu PC120-6 hydraulic excavator and its engine require regular maintenance to ensure optimal performance and longevity. The operator's manual provides detailed information on procedures such as oil and filter changes, checks of fluid levels and other routine maintenance tasks. In addition, the manual includes a parts list, which makes it easy to order the necessary components for maintenance or repair.

If the PC120-6 hydraulic excavator is not operating correctly, it is important to perform fault-finding procedures to determine the cause of the problem. The manual contains a troubleshooting guide, which provides step-by-step instructions for diagnosing and fixing common issues. For example, if the engine is not starting, the troubleshooting guide may suggest checking the battery, starter motor, or fuel system.

The engine of the PC120-6 hydraulic excavator requires regular maintenance, such as oil and filter changes, to keep it running smoothly. It is important to use the correct type of oil and to follow the recommended oil change intervals to ensure that the engine is lubricated properly. In addition, the engine may require repairs due to normal wear and tear or accidental damage.

If significant repairs are required, an overhaul of the engine may be necessary. An overhaul involves a complete disassembly and rebuilding of the engine components. It is important to use genuine Komatsu parts during an overhaul to ensure that the engine operates correctly and to maintain the warranty.

In summary, regular maintenance and repairs of the Komatsu PC120-6 excavator and its engine are important to ensure optimal performance and longevity. The operator's manual provides detailed information on maintenance procedures, parts lists, and troubleshooting guides to assist in these efforts.

Price: 29.99 USD