An overheated, excessive lubrication inside the main tank 2, step 3 is increased, the impeller and the impeller, wall or cabinet friction 4, the main fuel tank cooling bad one, adjust the oil level 2, identify the cause oxygen Roots blower, will boost transferred to the specified range of 3 to identify the friction factor, repair friction surface 4, to ensure that the oil level blower to ensure the smooth flow of cooling water compact Roots-type blower, and meet the requirements of a knocking sound, adjustable gear and disorders of the impeller position 2, 3 assembly bad, abnormal pressure rise 4, overloading or poor lubrication gear damage caused by a re-adjustment of the position of two, three reassembled, to identify the reasons for the pressure to rise and the exclusion of four replacement synchronous gear clover roots What are the reasons for the small wind turbine? 1- pipeline leaks; 2- impeller, casing wear, the gap is too large; 3- belt slippage, speed down; 4- inlet filter blockage, excessive intake negative ;; 5- small selection; high quality inexpensive blower _ three cattle machinery (certified) _ Zhejiang blower is provided by three cattle Machinery Co., Ltd., Shandong. Machinery Co., Ltd. Shandong three cattle (www.sanniujixie.com) (www.sanniujixie.cn) Shandong Jinan, the other leaders over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. In three cattle mechanical leadership with the staff warmly welcome all inquiries negotiations to create three mechanical cow a better future.