1. The oil level in the oil separator is too high; some oil is removed to reduce the oil level to the specified height. Observe the oil level gauge to determine the oil level while the machine is running.
2. The secondary oil return line is blocked; whether the cleaning return pipe and the oil return check valve are damaged.
3. Exhaust gas temperature is too high;
4. The oil return line is improperly adjusted; adjust the distance between the oil return pipe and the bottom of the separator core to ensure that the end of the pipette is made 45°.
5. The oil separator core is damaged; replace the gas/oil splitter core.
6. Leakage of lubricating oil pipeline; check for leaks and replace seals.
7. The seal is invalid; replace it according to replacement. Replace all seals if necessary.
8, loading and unloading loops are too frequent;
9. Improper use of lubricating oil; use lubricating oil as recommended.