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> One of our group recently had an O-ring failure with one of these units - > fortunately out of the water. We are pretty sure this failure happened because > the cross-over was not screwed in to the tank valve housings to its maximum > turns. (There was 1 or 2 turns of thread left on one side) This is the first > failure we have experienced in probably 1500 dives or more and we are confident > that the cause was human error when the rig was being assembled. > The above incident didnt worry us too much (other than to make everyone more > careful when assembling rigs) The point of the barrel connection is that you can adjust the distance between the two cylinder posts without affecting the integrity of the seal. In other words, the reason fo the failure was probably not because of the 1 or 2 turns left unturned. I suspect you may have had the same problem I did - a sheared O-ring. Aloha, Rich Richard Pyle deepreef@bi*.bi*.ha*.or* ******************************************************************* "WHATEVER happens to you when you willingly go underwater is COMPLETELY and ENTIRELY your own responsibility! If you cannot accept this responsibility, stay out of the water!" *******************************************************************
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