Re: Really noobie question
What sometimes happens is, the little ballbearing might get a little rusty or stuck in the port. So when you go to blow and clear the chamber, nothing happens. An easy fix for this, is to unscrew the cap on the purge valve. Take out the ballbearing if possible. And lubricate it with some 3 in 1 household oil. This oil will not only lubrictae the ballbearing (letting it move freely), but also protect it and prevent it from rusting. If you can't get the ballbearing out, then just apply the drops into the port (it will inevitably touch the ball) and give it a few shakes. Then blow in from the hose port, and it should move freely...