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Old 10-14-2001, 04:17 PM #1
Join Date: Oct 2001
 has been a member for 10 years
piranha sts core problem

I just got a piranha sts core and when I screw the tank in all the way air still leaks out. I tried putting an extra o ring on the bottom of the co2 tank and that worked for like a week but now it onyl lasts like 5 minutes and air leaks out again. I heard this problem happens a lot with piranhas. Can somone help me?
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Old 10-15-2001, 04:40 PM #2
Join Date: Mar 2001
Location: Ann Arbor, MI
 has been a member for 10 years
Look inside your ASA (the thing that the tank screw onto) see that pin? Remember it.

Now look at your tank. See the small pin there too? When you screw your tank on those pins hit each other, which pushes down on your tank pin and opens the valve.

Some Piranha pins are too long, and the tank valve opens too fast, not allowing the oring to seal. Theres a few ways to fix this,

1. Sand down the pin inside your asa (the one I told you to remember)
2. Call up PMI and ask them to ship you a replacement
3. Sand down the pin on your tank a bit
4. Buy a new ASA, they're about 10 bucks.
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Old 10-15-2001, 06:01 PM #3
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Join Date: Feb 2001
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yeah thats the same thing that is happening to our rentals...
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Old 10-15-2001, 06:35 PM #4
zero Pressence
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Join Date: Jul 2001
Location: TN
 has been a member for 10 years
I had this problem with my STS G3 but i called PMI up and they sent me a replacement very fast. PMI is a great company and dont let this discourage from buying a Piranha. PMI has such great customer service that even if the Piranha has a problem they will have it fixed for you in no time. and other than that my Piranha is workin great. They really stand behind their products!
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Old 10-16-2001, 08:00 PM #5
Join Date: Oct 2001
 has been a member for 10 years
Thanks everyone I see that the problem was that the pin was to long for the hole so I just put an o ring inside the gun part and that solved everything.
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