Combined classifiers and also other types of classifiers, as in prior work to conduct a comprehensive review of its components, to identify possible presence of various risks, to ensure the production of safe and effective operation. So, for the use of combined classifiers users, before the work should be required to check what are the specific contents of it? First, check the contents before the operation are: 1. The site is located in the control switch position. 2. Select the powder inside the rotor vanes normal, normal fat reducer. 3. Separator checked inside, interior confirm unmanned remnants, check and shut everyone Confucius, observation hole, and a good seal. 4. The fixed part of the bolt without loosening. Check stop after maintenance 1. Check the separator guide vanes, rotor blades for wear. 2. Check the oil level slowdown, oil is normal, each part is good lubrication, sealing is good. 3. Check whether the damaged pipeline leakage air sealing. 4. Check the bucket cutting cone is normal wear and tear. 5. Check all parts of the bolts are loose. 6. roping leaves hanging on debris removal. For more information you can call our service hotline, you can also visit our official website for more information www.rdlhbsb.com!