Compressor problems

boris333 · 12th November 2007, 10:44 PM

my compressor only builds up pressure up to 90 psi , how do i increse it to 150psi as it says on it that can run this high, the gague on it says 200 psi max , there is a nob that i can turn but only decreases the pressure , why does it stop pumping at 90 psi whats wrong with it ? where is the main valve that tells the compressor when to turn off ?

dangus · 15th November 2007, 12:18 AM

There will be a pressure switch in between the line cord and the motor; it will be connected to the tank or an air line. There should be a screw or nut to adjust the pressure setting. If this is one of those cheap oilless compressors, it may be hidden under a cover along with motor/pump assembly.

suvatn · 15th November 2007, 05:46 AM

Yes, there will be a pressure switch in some where, pipe, compressor or air tank which you can adjust screw or spring.

Other things you should consider for more presure, maximum limited of tank, safety valve, the flex line cord.

12th November 2007, 10:44 PM	#1
boris333 diyAudio Member Join Date: Apr 2004 Location: .	Compressor problems my compressor only builds up pressure up to 90 psi , how do i increse it to 150psi as it says on it that can run this high, the gague on it says 200 psi max , there is a nob that i can turn but only decreases the pressure , why does it stop pumping at 90 psi whats wrong with it ? where is the main valve that tells the compressor when to turn off ?

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15th November 2007, 12:18 AM	#2
dangus diyAudio Member Join Date: May 2004 Location: Vancouver Island	There will be a pressure switch in between the line cord and the motor; it will be connected to the tank or an air line. There should be a screw or nut to adjust the pressure setting. If this is one of those cheap oilless compressors, it may be hidden under a cover along with motor/pump assembly.

15th November 2007, 05:46 AM	#3
suvatn diyAudio Member Join Date: Jan 2006 Location: Bangkok	Yes, there will be a pressure switch in some where, pipe, compressor or air tank which you can adjust screw or spring. Other things you should consider for more presure, maximum limited of tank, safety valve, the flex line cord.