Air Compressor Leaking

The valve on the outside of the pressure switch may look something like the one in the image.

Air compressor leaking.

That means 20 to 30 of all the money you put into your air compressor in the form of utilities is going down the drain or more aptly up in the air. Air compressor leakage is common and there are plenty of solutions for this. Unloader valve is leaking air. I have never had a leak.

Air compressor oil leak repair how to solve. But unfortunately most of the people don t know how to stop air compressor leaks. If the air leak stops the hose has a hole or a connection downstream of the compressor coupler is the problem. Now it s time for you to know how you can solve such problems.

I have said enough about the dangers and causes of oil leaks in an air compressor. I used pipe dope on my fittings for my air tools and for the air hoses. I bought my campbell hausfeld professional air compressor air hose and fittings in 1995. 4 5 hp electric motor and a 20 gallon tank.

If the compressor seizes up the air conditioner will no longer cool the car and you may hear squealing noises from the belts as they attempt to turn the seized up compressor. Air continuously leaks out of the unloader valve on your air compressor and this is a problem. When the air compressor reaches the normal cut out pressure and stops but you notice while the air compressor is off that air is leaking out of a valve attached to or perhaps inside of the air compressor pressure switch. Both oil and coolant circulate through the ac compressor so if the fluids leak out the compressor may seize up and stop working completely.

Why a compressor pressure switch is leaking air reason one. If the compressor is only dropping when there is an air line plugged into the coupler then the leak will be found downstream from the compressor coupler. Reason one why your compressor pressure switch is leaking air is that over time the diaphragm inside the switch has cracked or worn a hole and air is blowing from inside the tank through the hole in the diaphragm and existing the switch housing through any convenient opening. At first you have to identify where the oil is actually leaking from your compressor.

Well if air continuously leaks out of the unloader valve then the compressor tank is emptying and the compressor needs to restart to replenish the air in the tank to get back up to cut out pressure so it can stop on its own.