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Heavy machinery with the development of the country economy, now widely used in construction, engineering, mining and agriculture, while excavators, bulldozers, road rollers, loaders, and shovel machines when heavy machinery, The performance of any machine will cause wear and tear with the operating time and method of operation, such as rust, oxidation, damage, wear, blockage or cracking. In order to enable the smooth operation of various construction and projects, how to properly maintain these heavy machinery and equipment will become a subject worthy of attention and discussion. The research results show that maintenance is the guarantee of whether heavy machinery and equipment can work smoothly. The quality of heavy machinery maintenance directly affects the safety factors of operating machinery and equipment, and the related maintenance and maintenance must rely on high professional knowledge and technology. This paper discusses the inspection and maintenance methods of daily parts, maintenance and condition of heavy machinery equipment. How to use the monitoring and maintenance system can reduce the total maintenance cost and increase the distance time between maintenance. Therefore, the use of effective maintenance plans, skilled repair skills and high professional knowledge of maintenance personnel, can have a relative impact on the improvement of work efficiency.
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