Compressor Drain Valve Leaking

They usually use a high strength thread locker on the drain valves so it may just be very very hard to remove.

Compressor drain valve leaking.

I would recommend replacing the valve and using some thread locker when you install the new one. After cleaning replace the parts. Remove the regulator body from the manifold with a wrench. By the way c clip ring shown in the picture prevents the screw from being removed from the drain valve assembly.

Clean the regulator body air piston spring and cap with wd40. Besides the drain valve is relatively easy and inexpensive to fix. Makita mac700 air compressor. Turn off and unplug the air compressor.

Clean the regulator 4. Http amzn to 2ir0elq pittsburgh forge 12 piece screw extractor. To fix the air leak caused by a faulty drain valve there are three choices. Product links below in order of appearance.

If the check valve is now. You can try to clean out the old one. How to fix it. Unloader valve is leaking air 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.

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