1. Keep the oil in the oil pool within the scale. Before the air compressor is operated, check that the oil in the oiler should not be lower than the tick mark.
2. Check whether the moving parts are flexible, whether the joint parts are tight, whether the lubrication system is normal, and whether the motor and electrical control equipment are safe and reliable.
3. Before the air compressor is operated, check whether the guards and safety accessories are intact.
4. Check that the exhaust line is clear.
5. Turn on the water source and open each inlet valve to make the cooling water unblocked.