A nitrogen plant has four components-a compressor that controls... is cleaned of impurities such as water vapor, oil, carbon dioxide, and hydrocarbons. ... A molecular sieve or filter that can separate nitrogen and oxygen.
... The system pipes should be checked for oil stains, in which case the pipes should be replaced... The third possible cause is that the filter is clogged due to dirt. ...In this case, the car compressor may be damaged.