Question about Craftsman 3 gal. Air Compressor, 1 hp, Tank

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The compressor builds up air fast but want cycle off it builds up till the safety valve opens up, put a new regulator on it but it was a universal but the same psi rating

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Dont used a extension cord

Posted on Apr 12, 2011


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The pressure switch shuts the motor off when a designated pressure is reached. If you took that unit off then it wont shut off and builds pressure until the safety valve opens.

Jan 09, 2015 | Air Tools & Compressors

1 Answer

My compressor does not hold pressure, no leaks that I am aware of. When I press are gun pressure goes way down.

May just be bad pressure regulator. Easy test. Let out all the air from the compressor. Find and remove the safety valve. Install a tee fitting where safety was installed and reinstall safety and a quick fitting at the other port. Now let compressor fill and shut off. Connect gun to temporary quick fitting for test. Replace the regulator as needed (you can install a generic pressure regulator at the temp. fitting for fast repair). You do not have to uninstall the test fitting.

Jul 01, 2011 | Air Tools & Compressors

1 Answer

My compressor keeps slowly building air after it has reached cut out pressure of 170 , keeps building till it reaches 200 and high pressure valve opens ....

It is not opening the bypass valve all the way see if there is a adjustment so that it pushes the valve open farther when it slows down.

Mar 19, 2011 | Honda Air Tools & Compressors

1 Answer

Tank Pressure Regulator Safety Valve is activating every 15 minutes, how to adjust pressure in tank as a first step. May be a problem with the regulator. Can anyone help or suggest a fix other then buying...

Hi jerry, my name is John. Welcome to FixYa. Your talking about your pressure switch. First tell me is your tank building up to say 130psi to 120psi? Let me know and we can go from there. .......I will post it here...........John

Dec 02, 2010 | Ingersoll Rand 2475N75 Type 30 2Stage Air...

1 Answer

I have a Sears evolv 3 gal air compressor that will not inflate a auto tire, even a partially de-flated tire. I let the pressure build to 100 psi and checked all fittings. Still wil not do it. Compressor...

The evolv air compressor was primarily designed to power a very small nailer. The pressure regulator (knob in front) should be turned clockwise till it stops to attain full pressure. At this setting it should air your tire. If not you may have a defective regulator. There is a trick to get full pressure from your tank. Notice the small pressure safety valve on the side of the unit. You could remove this valve and install a fitting giving you two ports. One for the safety and other for a quick disconnect. This second port will give you access to tank pressure without going thru the pressure regulator. This mod is safe because you still have access to regulated pressure when you need it. Good luck

Jul 07, 2010 | Craftsman 3 gal. Air Compressor, 1.5 hp,...

1 Answer

Put new switch on compressor and now wont shut off.

the regulator is failing to do its job. make sure you have it set properly. if you did, you will likely need a new one. also remember to drain the compressor every month to prevent rust from moisture build up in the tank. good luck.

Jun 03, 2010 | Campbell Hausfeld Air Compressor 32 HP...

2 Answers

60 gal farm hand air compressor starts, builds up pressure, but won't restart when pressure drops. After cool restarts.

Your pressure switch may be malfunctioning or the start capacitor may be starting to fail.

Dec 21, 2009 | Air Tools & Compressors

3 Answers

Outlet pressure?

have you tried turning the pressure adjustment knob clockwise to increase regulated, not tank, pressure

Dec 12, 2009 | Campbell Hausfeld No.FP2028 Gal Pancake...

2 Answers

Compressor runs fast but air pressure stays low

hi your problem seems to bee that your valves are either broken or not seating properly
visit your local dealer and purchase a new valve set once fitted your machine will work fine
hope this helps ian

Mar 24, 2009 | Campbell Hausfeld Single Stage Air...

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