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A-5 Air Leak from Velocity Screw |
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MaliceOrdain 
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Joined: 27 April 2006 Location: United States Status: Offline Points: 20 |
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 Topic: A-5 Air Leak from Velocity ScrewPosted: 24 June 2006 at 7:54pm |
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Hey all, My A-5 has a medium size air leak from what seems to be the velocity adjustment screw. I replaced every o-ring besides the ones in the valve assembly. Is one of these o-rings causing the leak? |
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Darur
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Posted: 24 June 2006 at 8:30pm |
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Possibly a damaged powertube, take a look and let us know
Edited by Darur - 24 June 2006 at 8:34pm |
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Real Men play Tuba
[IMG]http://img89.imageshack.us/img89/1859/newsmall6xz.jpg"> PH33R TEH 1337 Dwarf! DONT CLICK ME!!1 |
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tippya5extreme
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Posted: 24 June 2006 at 11:04pm |
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- your velocity screw maybe? - powertube damaged? - you could have screwed it in wrong and opened the hole in the powertube wider making it leak |
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tippya5extreme |
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MaliceOrdain
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Posted: 24 June 2006 at 11:23pm |
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I thought about the power tube before. So, I switched from my stock tube to my redhotpowertube and still no effect. As for the screw, I tried wrapping teflon on it and still no effect. I have a feeling its the valve o-ring.
Edited by MaliceOrdain - 24 June 2006 at 11:26pm |
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FA22RaptorF22
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Posted: 24 June 2006 at 11:29pm |
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Well i have a 98, but to my knowledge they both use cvx valves? The powertube and screw etc have nothing to do with a leak. The valve itself should be sealed, the powertube just guides the air to the chamber when you shoot. Check all the seals on the valve itself to see if its good. if its leaking, its out of the rear valve plug or front cup seat/seal, oil the orings and reseat them properly. **this will require the dissassembly of the valve**
If this is your first time disassembly follow this http://model98.org/manuals/cvx.php have fun  Edited by FA22RaptorF22 - 24 June 2006 at 11:31pm |
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MaliceOrdain
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Posted: 24 June 2006 at 11:33pm |
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I just did that and there was no change.
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FA22RaptorF22
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Posted: 24 June 2006 at 11:36pm |
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Screw the valve out of the powertube to the asa steel braid cable and tell me where its leaking on the valve. Soap bubbles work great to see where!
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MaliceOrdain
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Posted: 24 June 2006 at 11:42pm |
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It is leaking from the rear.
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FA22RaptorF22
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Posted: 24 June 2006 at 11:44pm |
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The Pin or the flat end....
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MaliceOrdain
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Posted: 24 June 2006 at 11:46pm |
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The end with the pin in it.
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FA22RaptorF22
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Posted: 24 June 2006 at 11:48pm |
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take it out, put oil on your finger and rub it on the black seal. Not too much, not too little. Put it all back in perfectly and then push the pin in and out like ten times to seat it properly. If it still leaks with air, then fire the marker a few times on it to seat it further.
Hey is it a low pressure valve or stock one? |
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MaliceOrdain
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Posted: 24 June 2006 at 11:50pm |
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stock
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FA22RaptorF22
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Posted: 24 June 2006 at 11:51pm |
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O...i know...take it all out. See at the end of the valve and in the directions i linked you to, there is a little brass piece of metal ring with and oring on it. rub oil on those and the pin assembly. the oring goes on the metal ring and the oring goes that side in first. Then put the rest in.
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MaliceOrdain
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Posted: 24 June 2006 at 11:58pm |
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Ok, I tried that and still no go.
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FA22RaptorF22
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Posted: 25 June 2006 at 12:01am |
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You shot it? You have a max flo and a empire reg. what r they set at? Put them all the way up to 850 or so psi. If you don't get that, just turn it all the way up. and shoot it
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MaliceOrdain
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Posted: 25 June 2006 at 12:07am |
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That actually helped some. I had it set to 525psi so I put it at 830. And I've found the problem; it has nothing to do with the valve... its the tombstone. It has some nicks and tiny gashes were the o-ring sets, therefore, it leaks. I just need to get a replacment.
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FA22RaptorF22
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Posted: 25 June 2006 at 12:09am |
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Ahh...good to know...ill remember that for next time good to know that the valve is all clean now though. Hope you have fun with that awsome sounding gun. Could you host a pic of your gun on http://www.imageshack.us/ and put it here? Id like to see it
l8r man |
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MaliceOrdain
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Posted: 25 June 2006 at 12:11am |
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I've been trying to post some pics for a while now but my archaic camera is not cooperating. Thanks for the help! Edited by MaliceOrdain - 25 June 2006 at 12:13am |
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