air line leakage

[TS310C]

I had a leak ever since I installed my new Dedenbear air stop. Finally I went through and checked all the fittings that were installed at the factory. The push in type air line fittings they installed in the solenoids, etc were all hand tight only. After I went through and tightened all of them up I have no leaks. I shut the air bottle off a week ago and it still shows almost full pressure (in other words it is not leaking out the air that was left in the lines when I shut it off)

[68camaroSS]

Thought I would pass on my results. After doing the windex leak tests with air pressure on several different times with no conclusive evidence, and even changing all the hose fittings to a different style in search of the culprit, I finally resorted to the old school method of finding a leak, even a small one...... a bucket of water..... I dipped every air connection into a pan of water. I found one minor leak at the air tank where the large regulator fitting was attached to the tank. Although it was on very tight, there was still a very small trail of bubbles coming up, so I tightened it an additional fraction and it stopped. All the rest of the fittings tested fine. When I got to the pro start cylinder and dunked it, there it was, a steady stream of bubbles coming out the end of the cylinder that I was looking for. This was a brand new unit, you don't expect it to be defective, and is the last place I expected a leak. I am sending the unit back for a replacement. Hope this solves the problem. Thanks to those who replied.