How To Fix Air Compressor Leak

The air compressor unloader valve is usually built into the pressure switch assembly.

How to fix air compressor leak. Air continuously leaks out of the unloader valve on your air compressor and this is a problem. Then do an internet search for that part. When that occurs be sure to follow a troubleshooting guide to eliminate other possible causes such as condensation in the tank and leaky tools before assuming you have a leak in the tank. Most leaks will occur due to loose or incorrectly installed fittings.

Turn off the compressor. A compressor that won t charge or won t hold pressure is troublesome at least. 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. If the air leak stops the hose has a hole or a connection downstream of the compressor coupler is the problem.

Unplug it for releasing air. Make soap water in a small bucket. Now follow these easy steps to determine air compressor tank leakage. To confirm this unplug the air line.

Air compressor leaks can easily make up a significant amount of wasted energy in industrial facilities and can reach 20 to 30 of an air compressor s output. Release air from the compressor. Products in this video. Fill soap water in any of the sprayers to spray it on the air compressor s surface in order to find leaks.

Release the air from inside of the tank through the valve. Contact the air compressor repair manufacturer to buy a new assembly. As you have already identified the leaking area you don t have to keep the tank full of air. If your hose is leaking first you have to identify from where in the hose is the air compressor leaking air.

Then you can simply use duct tape or regular tape to fix the hole. Now using the sprayer spray the soap water on the valves and hoses of the air compressor notice any bubbles forming on the surface. Or remove the cover from the switch unplug the compressor first and locate the pressure switch part number. 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.

Note that this won t last for a long time so it is better you replace the hose with a new 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.