On Sun, 05 May 2013 17:45:26 -0500, -MIKE- wrote:

To the best of my knowledge, emptying water is important to keep water
out of your pneumatic tools and the finish material you might be
spraying using the compressor.

I don't think it affects the performance of the compressor.

Well, it might just be the normal corporate CYA, but every compressor
manual I've seen says to drain on a regular basis - like every time if
you use it infrequently.

--
When fascism comes to America, it will be wrapped in the flag and
carrying a cross.