How should the double cone rotary vacuum dryer be maintained?

How should the double cone rotary vacuum dryer be maintained:
       1, the drying process requires the operator to always check each drying situation, and make relevant records.
       2, need to regularly check the vacuum gauge, thermometer. Discover the problem immediately excluded. 
       3, special parts such as gearbox should be maintained according to the instructions. 
       4、After the drying is completed, clean up the powder in time so that the filter is smooth.
       5、The chain needs to be oiled once a month. 
       6、If the vacuum pipe is found to be leaking, it should be replaced immediately. 
       7, if the double cone rotary vacuum dryer failure can not be repaired themselves should contact the manufacturer to deal with.