1987 Ingersoll Rand 185 blowing air out of pressure relief valve.
The air compressor is starting fine but when i push the air button the pressure relief valve blows out air and oil
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Seperator
You need to replace your seperator filter, its blocked and wont let air through it which causes the safety valve to blow
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Another solution
Had same issue diaphragm in unloader was torn cost about 60$ now works perfect.
Of course had to adjust regulator as well.
Could see where if regulator not working properly could cause same issue.
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IR 185 continuously builds air…
what if it’s not the diaphragm in the regulator? And has new separator filter and still keeps building air.
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Safety Valve
Depends on which safety valve you’re talking about…
The one inside the compressor or the one on the air receiver (tank)
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