When buying a used Komatsu excavator, machine inspection is a key step to ensure the quality and performance of the equipment. Through a strict machine inspection process, you can avoid unnecessary troubles and high repair costs during later use. The use condition of a used excavator directly affects its working efficiency and durability, so it is crucial to carefully check every detail. Through the detailed introduction of this article today, you can understand the specific machine inspection process and procedures from all aspects.
Appearance inspection
First, check the appearance of the excavator, especially key components such as the body, bucket, boom and crawler. Check for obvious collision marks, cracks, rust and corrosion. Although appearance problems do not necessarily affect performance, they may affect the long-term durability of the equipment. If there is obvious damage, it may be that the equipment has been subjected to a large impact during work, and further inspection of internal components may be required.
Hydraulic system inspection
The hydraulic system is one of the most important parts of the excavator. Check whether the hydraulic oil is clear and transparent, and whether there are signs of impurities or deterioration. Start the excavator and check the working condition of the hydraulic system to ensure flexible operation and smooth movement. If the hydraulic system has problems such as oil leakage, jitter or slow response, it may mean that there is a fault in the hydraulic pump, valve or pipeline.
Engine performance inspection
The engine is the power source of the excavator, and checking the working condition of the engine is an important part of the inspection. When starting the engine, pay attention to whether the start is smooth and whether there is any abnormal noise or exhaust. If the engine is difficult to start or there is an abnormal sound, it may indicate that there is a problem inside the engine. Check the oil level, coolant and oil quality of the engine, and whether there is any leakage. At the same time, confirm whether the operating temperature of the engine is normal.
Operation and operation inspection
After starting the excavator, conduct a comprehensive operation test. Including excavation, rotation, lifting, swinging and other actions, check whether each operation is sensitive, whether there is any jamming, jitter or excessive noise. When performing these actions, you should also pay attention to the response of the hydraulic system to ensure the smoothness and coordination of the operation.
Travel system and crawler inspection
The travel system of the excavator includes crawlers, drive motors and steering systems. Check whether the crawlers are evenly worn and whether they are loose or broken. The degree of wear of the crawler directly affects the stability and operating efficiency of the excavator. In addition, check whether the steering system is flexible, whether there is any jamming or noise. If there is a problem with the travel system, it may need to be replaced or repaired.
Electrical system inspection
The electrical system of the second-hand excavator is also an important part that needs to be checked. Check whether the dashboard, lights, displays and various electrical components are working properly. Pay attention to whether there is an electrical fault alarm during use to ensure that the electrical system of the equipment is stable and reliable.
Check the maintenance records and working hours
Finally, check the maintenance records and working hours of the excavator. By checking the working hours, you can roughly understand the frequency of use of the equipment and whether regular maintenance has been performed. The maintenance records can help you understand whether there are major failures in the equipment, the frequency and nature of maintenance. Reasonable maintenance and repair records can provide strong support for your purchase decision.
When purchasing a second-hand Komatsu excavator, a comprehensive and detailed inspection is essential. From the appearance inspection to the comprehensive evaluation of the hydraulic system, engine performance and travel system, each link may affect the long-term performance of the equipment. By ensuring that the equipment is in good condition, you can avoid high maintenance costs in the future. In order to ensure that the inspection process is more professional and accurate, it is recommended to choose experienced technicians to assist. If you are looking for reliable second-hand equipment, Volisson International Trading Co., Ltd. will provide you with high-quality used heavy equipment and professional services to fully help your project go smoothly.