Question about Ingersoll Rand 2340/2475 Electric Air Compressor Start Up Kit 32305880

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Leaking air from relief valve

Is the receiver relief valve bad if air continuously leaks out

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Yes. It should be srping loaded to remain closed. Air should not leak out of it unless you pull on the vale ring to deliberately release air. Check the air is not espacing at any of the joints around the relief cutoff valve. You can spray water or a mild soapy solution on all the air connections and if one is leaking it will cause the solution to bubble.

Seal all threads with teflon thread sealing tape.

Posted on Mar 01, 2009

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1 Answer

Leaking around Pressure Switch. Ordered & replaced switch but still leaking


Some pressure switches have a valve that reliefs the compressor head pressure when the motor stops and closes the head pressure relief valve when the motor runs.
There is a check valve that keeps air pressure from coming back to the compressor head and the relief valve.
I think the check valve is leaking tank pressure to the relief valve and compressor head.
The check valve is where the pressure switch mounts on to and it mounts threaded on to the compressor tank.
Try replacing the check valve

Nov 01, 2015 | Craftsman 33 gal Air Compressor 6 hp...

1 Answer

Air compressor tank will not fill?


STOP. What pressure does the gauge show? If it's higher than it should be, drain the tank and replace the pressure switch. If it's not unusually high, then replace the pressure relief valve.

DO NOT let that compressor run at too high air pressure! A burst air compressor is a TERRIFIC bomb, and can kill you before you know what happened!

Aug 04, 2014 | Craftsman 3 gal. Air Compressor, 1.5 hp,...

3 Answers

Is the reed valve part of the pressure switch


relief valve should only open in a over pressure condition. If it is opening prior to reaching pressure ....replace it.

May 21, 2012 | Air & Gas Compressors

1 Answer

Unable to locate what I think is the pressure relief valve located under the on/off box. looks like a small needle valve but leaks air constantly. any ideas?


If it leaks constantly until the tank is empty or very low, the problem is most likely a leaking check valve. The pressure relief valves mission is to empty the pressure line between the chech valve and the sylingers to facilitate unloaded restart of the motor. The check valve is usually mounted directly on the tank an connected to the large copper tube from the sylinders as well as the relief valve through a smaller and thinner tube (often nylon). Empty the tank, unplug the power and open the unscrew the cap of the check valve and retreive the spring and the valve disk and inspect for damages, foreign objects or replace if needed. Refit it and test run the compressor. If your problem is that the relief valve leaks only while compressor is running and just after it stops, the problem is likely to be the relief valve itself. This is usually an integrated and rather delicate part of the pressostat (pressure, on off switch box) and you may need to replace it as a unit unless you can clean it by pressurized air or gently dismantle it for inspection and cleaning or removing foreign objects or dirt.

Feb 16, 2011 | Craftsman 3 gal. Air Compressor, 1 hp,...

1 Answer

The motor runs continuously and the pressure is low. What are the possible causes for this?


You haven't given any model number information, but typically on any air compressor if it won't build pressure, either you have a leak in your piping, tank, hose or the compressor cannot move the required cfm of air. Could be a valve problem or piston, relief valve? Do you hear any air leaking. There are som many different models from cheap throw away compressors to thousands of dollar models. HArd to say without more information

Jul 19, 2010 | Dayton Audio Dayton Speedaire Air...

1 Answer

WILL NOT BUILD UP AIR PRESSURE PAST 20 LBS.


Check to see if air is leaking past 'pressure relief' valve. It's probably leaking and that's where all the air is going.

Sep 11, 2009 | Craftsman 3 gal. Air Compressor, 1.5 hp,...

1 Answer

COMPRESSOR RUNS, FILLS TANK, AND THEN LEAKS OFF ALL THE PRESSURE. WHAT IS GOING ON?


Is the air "leaking" from the pressure relief valve? If so it is either faulty or it is doing what is supposed to do. The pressure relief valve is there in case the pressure switch fails.The tank could blow up if the pressure switch fails, so the pressure relief valve is there as a secondary measure to insure the tank does not receive too much air pressure. Assuming your gauge is operating properly, watch the gauge to see if it reaches the maximum pressure (check your manual to find the maximum PSI) or if it goes over the maximum pressure. If it goes over the maximum pressure then replace the pressure switch. If it the motor stops at the maximum pressure, replace the pressure relief valve.

Jun 07, 2009 | Dewalt D55250 Factory Recondition Heavy -...

1 Answer

Wont build air pressure


Your problem falls into one of two categories the first is the tank is leaking the second is the compressor is leaking. Try this run the compressor for a minute or two and turn it off if to hear a hiss the tapers off slowly your tank is leaking some were check the drain on the bottom of the tank, the pressure relief valve on the top or side of the tank and all other connections between the compressor and tank.

In the event there is no hiss this means the problem is the compressor you may have a bad reed valve or a bad check valve depending on the type of compressor.

hope this helps

Mar 28, 2009 | Hitachi Air & Gas Compressors

1 Answer

Leaks after it builds up pressor


hello, have you checked your pressor relief valve to make sure it has'nt gone bad it's located on the bottom of your tank.

Mar 27, 2009 | Air & Gas Compressors

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