Jack draper
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My sherwood blizzard regulator does not shut off,and constantly releases air when not in use. ( at the surface). Any cures?
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Exactly right. My Blizzard was being a bit contrary before we left for Mexico. My dive shop guy had it right in no time and it worked perfectly. Wish I could say the same for my Octo which decided to spring a leak in a cavern and I ended up breathing from it so as not to waste the air. But my Blizzard sat dutifully in my pocket with nary a bubble left behind in the Taj Mahal. 8)Originally posted by rcontrera
Unfortunately, freeflowing from the second stage can be either a problem in the first stage or the second stage itself.
The second stage of your regulator is nothing more than a small rubber disk that is held against a cone shaped seat by spring pressure. You could have dirt, silt, salt etc. lodged between the seat and rubber. Or, the rubber could be shot. Additionally, the spring could be corroded and has lost a bit of it's holding power.
If none of those is the culprit, then the first stage is putting out more air than the second stage can hold back with it's spring pressure. Inside your first stage is another seat and disk setup only the disk is a harder plastic. Again, dirt, silt, corrosion or disk wear can be the culprit here.
In either case, your regulator needs to be disassembled, cleaned thoroghly and have the seats/disks inspected.
Time to drop it off at the dive shop!
Just my $.02
Ray