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How to drain the air compressor tank?

How to drain air compressor tank?






Bill answers...

Thanks for writing in.

I've uploaded a picture for you to see what I'm talking about.

Under the tank, usually at the lowest spot on the tank, you'll find a valve, one of which you can see in the photo.

Turn this valve one way and the air and water can flow out of the tank. Turn it the other, and the valve closes keeping your compressed air in the tank.

When I'm finished using my air compressor I open this valve to drain off the collected water, and I leave it open until the next time I want to use the compressor.

Don't forget to close it before you turn on your air compressor. Most of them are so loud you won't be able to hear the air escaping out the drain valve is the compressor tries to fill the tank.

That the drain valve is open is one of the many reasons why your air compressor runs but doesn't build pressure in the tank.

One other thing. Expect the drain to have water in it, so when you open the valve you'll get water with crud and oil in it all over your hand. I wear a glove when I drain my compressor tank. :-)

Cheers,

Bill

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