In order to make the air compressor can run normally and reliably and ensure the service life of the unit, it is necessary to make a detailed maintenance plan, carry out manned operation, regular maintenance, regular inspection and maintenance, so as to keep the air compressor clean, oil-free and dirt-free.
The maintenance of main components shall be carried out according to the following table :
Note:

A.When repairing and replacing each part according to the above table, it must be determined that: the pressure in the air compressor system has been released, it has been separated from other pressure sources, the switch on the main circuit has been disconnected, and the safety mark of no closing has been made.
B.The replacement time of compressor cooling lubricating oil depends on the operating environment, humidity, dust and whether there is acid and alkali gas in the air.The newly purchased air compressor shall be replaced with new oil for the first 500 hours of operation. After that, it shall be replaced every 4,000 hours according to the normal oil replacement cycle, and the machine with less than 4,000 hours of annual operation shall be replaced once a year.
C.The oil filter must be replaced in the first 300-500 hours of starting operation, the second time in 2000 hours, and then every 2000 hours in normal time .
D.When repairing and replacing the air filter or air inlet valve, please remember to prevent any debris from falling into the main compressor cavity.During operation, close the entrance of the main engine. After the operation, rotate several times by hand according to the rotation direction of the main engine to ensure that there is no obstruction before starting the machine.
E.The tightness of the belt shall be checked every 2000 hours or so. If the belt is too loose, it shall be adjusted until the belt is tightened.In order to protect the belt, it is necessary to prevent the belt from being scrapped due to oil pollution in the whole process.
F.Replace the oil filter with each oil change