What attention excavators? 1. Excavators are large economic investment in fixed assets, to increase its useful life greater economic efficiency, the device must be done be people, machines, scheduled jobs, clear responsibilities. You must transfer Kong, the device should be disclosure. 2. Excavators enter the construction site Houtai An excavator regular school, the driver should observe Face excavator geology and environmental conditions around the school, you do not have obstacles within the school address Tai'an excavator excavator radius of rotation, so as not to cause scratches or vehicle damage. ① abnormal noises pump cavitation phenomenon reason is the main cause of excessive pump noise. ② hydraulic valve plate is easy to cause one of the important components of noise. Valve plate in use due to wear or sludge deposited on the surface of the unloading slot open at the trough will cause shorter unloading and unloading position change, resulting in higher oil phenomena sparking noise. Tai'an best schools excavator | Excavator School | Kerry and excavators school (view) provided by 泰安嘉 and Heavy Machinery Co., Ltd. Taian Jia and Heavy Machinery Co., Ltd. (www.tajhzg.com/) is Tai'an, mining machinery leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Heavy leader in Kerry and the staff warmly welcome all inquiries negotiations to create Kerry and heavy industry a better future.