1, keep the oil pool of lubricating oil in scale range, air compressor before operation should check the oil in the lubricator should not be below the scale line.

2, check all moving parts are flexible, whether the connection parts fastening, lubrication system is normal, motor and electric control equipment is safe and reliable.

3 should check before operation, air compressor complete protective equipment and safety accessories are in good condition.

4, check whether the exhaust line is clear.

5, turn on the water, open the inlet valve and open the cooling water.