1. Keep the oil clean and the dirt in the oil will damage the parts of the system.
2. Keep the amount of oil, less oil, will enter the air, so that the system is not functioning properly.
3. Pay attention to the oil spill, the oil spill indicates that the seal is broken, not to replace in time, not only the oil, but also to reduce the output, serious when not action.
4. Familiar with the system running sound, normal and faulty sound is different, hear the sound of the abnormal to know that there is a problem, timely exclusion, lest small defects become large damage, causing large losses.
5. Be careful to check whether the pieces are loose, so as to maintain their effective tight state.