Abstract: China is a major agricultural country, with a significant proportion of its national economy attributed to agricultural economy. Accelerating the implementation of agricultural modernization is the goal of agricultural development. With the advancement of science and technology, the use of large-scale agricultural machinery equipment has improved labor efficiency and met the development needs of agricultural modernization. Strengthening the management of agricultural machinery, ensuring normal work efficiency, and reducing the labor intensity of farmers are of great significance to agricultural development. This article mainly studies the scientific use and management of agricultural machinery, summarizes the main problems existing in current agricultural machinery management, and emphasizes the use and maintenance of agricultural machinery, making positive contributions to agricultural development.

Keywords: agricultural machinery; scientific use; maintenance

Preface

With the rapid development of China's agricultural economy, the degree of agricultural mechanization is continuously accelerating, providing technological support for the growth of the agricultural economy. The improvement of China's agricultural science and technology level mainly relies on the growth of agricultural mechanization level. Only by enhancing the degree of mechanization can the process of agricultural modernization be promoted. The degree of agricultural mechanization in China is relatively low, and farmers' use and management skills are not mature enough, which affects the use of agricultural machinery. Therefore, it is necessary to promote the use of agricultural machinery and popularize management skills to serve the development of agricultural modernization.

1. Various common issues encountered during the use of agricultural machinery

1.1. Common problems in the use of agricultural machinery

Agricultural machinery is heavily utilized, and various issues may arise during frequent use, affecting the machinery's operation, delaying the construction schedule, and reducing work efficiency. Failures of agricultural machinery components mainly occur in core parts and accessories. Problems with the core components of agricultural machinery can affect its use, with engine failure being particularly critical. The engine is the "heart" of agricultural machinery, and if it experiences issues, it will affect the operation of the agricultural machinery, leading to it ceasing to work and disrupting normal agricultural production. It is important to pay attention to changes in the engine during daily operation to avoid malfunctions. Damage to parts is a common issue in the operation of agricultural machinery. The working environment of agricultural machinery is relatively harsh, as it is mostly operated in the fields, where damage to parts frequently occurs. Timely repair or replacement is necessary to prevent more serious problems. The exterior of the agricultural machinery's engine is often covered with a large amount of dust and oil stains, which can have a significant impact on the heat dissipation of the engine surface. In severe cases, it can lead to high engine temperatures, causing serious obstacles. The working environment of agricultural machinery results in a high failure rate, especially on bumpy roads, which can easily cause wear or abnormal gaps, leading to loose parts. These phenomena are the main factors contributing to malfunctions.

1.2. Problems encountered in the use of agricultural machinery and tools

The use of agricultural machinery is prone to various malfunctions, primarily due to the operators' limited understanding of the machinery's performance and frequent violations of operating procedures. These issues are the main causes of malfunctions. Many farmers do not follow the operating procedures when operating agricultural machinery, and the damage caused by improper operation is very common. When agricultural machinery is operating normally, improper start-stop operations or lack of engine oil can cause engine malfunctions. Lack of water in the water tank or prolonged operation without maintenance can affect the lifespan of agricultural machinery, leading to damage to the vehicle. If the parts of agricultural machinery are damaged for a long time and not replaced in a timely manner, it will affect their use. Running on extremely rugged roads can also cause damage to agricultural machinery. During normal use, if agricultural machinery operators do not pay attention to the display on the instrument panel, small hidden dangers can turn into major problems, eventually leading to serious issues with the instrument panel and resulting in the scrapping of related components, causing significant economic losses.

1.3. Maintenance issues of agricultural machinery and tools

The operating environment for agricultural machinery is rural areas, where maintenance units are located at a considerable distance, making timely maintenance impossible. Road conditions and delayed maintenance lead to excessive dust and silt on vehicle machinery. Prolonged exposure to dust and high temperatures can cause mechanical failures. Farmers face a heavy workload, and if they fail to maintain their agricultural equipment in a timely manner, residual weeds and soil can accumulate inside the machinery. If not cleaned promptly, this can affect the lifespan of the machinery's parts, leading to rust or premature failure, posing safety hazards during operation. After the busy farming season, agricultural machinery is often left idle at home. If there is no garage, it may be stored in the yard, where it can be exposed to rain and snow, severely affecting the machinery's parts. Some farmers choose to refuel at unlicensed gas stations, which supply poor-quality fuel that affects the operation of the machinery. This results in incomplete combustion of fuel, leading to carbon buildup in the exhaust pipe, which narrows and obstructs the exhaust flow. This, in turn, increases the engine's fuel consumption rate, causes overheating, and is detrimental to the engine's operation and lifespan.

2. Analyze the scientific use and maintenance of agricultural machinery and tools

2.1. Pay attention to the rational use of agricultural machinery and tools

Before using agricultural machinery, it is essential to carefully read the instruction manual, paying particular attention to the use of appropriate lubricants and fuel, and checking whether bolts and nuts are tightened securely. When operating agricultural machinery, one must always maintain a strong sense of safety, avoiding unreasonable behaviors such as operating at high temperatures, exceeding the load capacity, operating with defects, and starting without preheating in cold seasons. It is important to pay attention to the proper lubrication of agricultural machinery, as good lubrication can maintain the normal temperature of the machinery during operation, prevent impurities from entering the interior, and ensure that various parts cooperate more effectively during operation. Additionally, one must operate the agricultural machinery reasonably and carefully, not exceeding the load capacity that the machine can bear, in order to reduce wear and tear on the machine and the likelihood of malfunctions.

2.2. Improve the maintenance level of agricultural machinery and tools

Due to the low level of maintenance skills among agricultural machinery repair technicians, unskilled operations can cause damage to parts, directly affecting the normal use of agricultural machinery. Therefore, we must provide technical training for repair technicians to ensure they are proficient in maintenance techniques. Relevant authorities should focus on the technical review, supervision, and inspection of maintenance outlets, strengthen daily management and inspection of agricultural machinery sellers, and provide professional training for agricultural machinery repair personnel to ensure they possess repair qualifications and professional work permits.

2.3. Strengthen the maintenance of agricultural machinery and tools

To ensure proper functioning, it is crucial to pay attention to the maintenance of agricultural machinery. Firstly, the cleanliness of the agricultural machinery must be ensured. After use, weeds and debris should be cleaned to prevent rusting of the parts. Regular oil changes and checks on the need for lubricating oil should be conducted on agricultural machinery. Additionally, it is important to inspect all parts of the agricultural machinery. If any issues are found, the cause must be identified and adjustments made to ensure the normal use of agricultural machinery.

3. Conclusion

The development of modern agriculture serves as a major driving force for economic and social progress. The enhancement of agricultural mechanization has boosted agricultural production efficiency, increased grain output, and alleviated concerns regarding food security. The advancement of agricultural modernization relies on the improvement of agricultural mechanization. The utilization of agricultural machinery is a crucial means of promoting modern agricultural development. However, in practice, due to improper use and inadequate maintenance by operators, the lifespan of agricultural machinery is shortened, leading to a decrease in agricultural production efficiency. Therefore, this article explores the issues encountered during use and analyzes the key points of usage and maintenance, aiming to make theoretical contributions to enhancing the level of agricultural mechanization.

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