Question about AO Smith 2 Hp Spl 3450rpm M56 Frame 115/230 Volts Replacement Air Compressor Motor Electric Motor No.B381
I have a 5.5hp 80 gallon Blackmax two stage air compressor. When the compressor is running , I am getting alot of air coming out of the vent hole in the oil filler cap. This in turn is blowing out oil and making a mess. Any ideas what is causing this. Thanks for your time.
This could be blow back possibly bad piston rings you may need new rings oil chamber is usually at intake pressure unit may need rebuild
Posted on Jan 24, 2009
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Posted on Jan 02, 2017
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