The solution here is to check and clean the unidirectional valve, replacing it when necessary. Improper installation or blockage of the oil return pipeline will impede the normal return of the lubricating oil.
[pdf] Replace screw air compressor lubricating oil by stopping the machine, draining old oil, cleaning pipelines, adding new oil, and replacing the oil filter. Check oil level after starting.
[pdf] The DHV-G/A series features a permanent magnet variable frequency single-stage compression screw air compressor that delivers stable air pressure with no impact during startup. It boasts variable flow control and excellent alternating current power supply voltage adaptability.
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