Since the position of an oil cooler purge valve is in the entrance oil piping side gas may not fall out
Advice 2
Please check an attachment and advice of report
It is required to remove the propylene gas (mist) contained in oil
Change of oil supply temperature can change most easily the means which raises a discharge degree of superheat
It becomes possible by adjusting the 3 inches of oil cooler water side outlets valve.
Oil supply temperature should perform 45 degrees C to a standard
Cautions
Since water temperature changes ,please be sure to perform operation management by season