Cricket leaks from the bottle pressure gage
Opened the front end of air tube and checked the O ring under the little screw under the filling port. It was flat and deformed. Replaced it , also replaced the large O rind of the air tube but still leaks.
Any idea please.
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On the front AT cap on a Cricket the possible point of leak could be :
The large high pressure O-ring, leak out of its indicator hole.
The gauge O-ring, you could submerge the front of the AT in water to check, install fill probe to check the fill valve at the same time.
The check valve/fill O-ring, install the fill probe into the fill port and fill port end with soapy water.
In maintaining this fill valve O-ring on all my PCP’s twice a year I use a syringe to place a small amount of silicone grease directly into the fill inlet inside of the fill port.
With the gun pointing up blast fill with a couple of good burst of air with your SCUBA tank this will send the lube onto this little O-ring inside.
My EdGun had a fill valve leak a couple of months ago and I fix it with this method and till today it hasn’t leaked again.
For the Cricket gauge removal socket John he maybe still making them for sale also.
viewtopic.php?f=33&t=30282&p=305443&hilit=cricket+gauge+socket#p305443
Lastly at Joe’s Tools http://www.culayer.com/Joes_tools.htm
scroll down to the bottom
OR with some tools u can make them yourself, it not hard to do.
http://www.network54.com/Forum/79537/thread/1391484280/How+to+make+a+CRICKET+GAUGE+SOCKET
~ Greg
Thank you very much for your valuable information. I will try your advise. Wish you all my TAG fellas a happy new year.
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To fix a leak it’s a good idea to first find where it is.
On the front AT cap on a Cricket the possible point of leak could be :
The large high pressure O-ring, leak out of its indicator hole.
The gauge O-ring, you could submerge the front of the AT in water to check, install fill probe to check the fill valve at the same time.
The check valve/fill O-ring, install the fill probe into the fill port and fill port end with soapy water.
In maintaining this fill valve O-ring on all my PCP’s twice a year I use a syringe to place a small amount of silicone grease directly into the fill inlet inside of the fill port.
With the gun pointing up blast fill with a couple of good burst of air with your SCUBA tank this will send the lube onto this little O-ring inside.
My EdGun had a fill valve leak a couple of months ago and I fix it with this method and till today it hasn’t leaked again.
For the Cricket gauge removal socket John he maybe still making them for sale also.
viewtopic.php?f=33&t=30282&p=305443&hilit=cricket+gauge+socket#p305443
Lastly at Joe’s Tools http://www.culayer.com/Joes_tools.htm
scroll down to the bottom
OR with some tools u can make them yourself, it not hard to do.
http://www.network54.com/Forum/79537/thread/1391484280/How+to+make+a+CRICKET+GAUGE+SOCKET
~ Greg
If you have a Vulcan just look at it. I think it is 23mm or something
No doubt you know better. I just quoted Ernest’s comment under the socket’s image in his website.
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It does not fit vulcan, they don’t have the same gauge. It only works with Wika gauges. Edgun would fit, they use the same 27mm Wika gauge. Maybe a different size socket would work with Vulcan, I believe their gauge is smaller
Thanks spinj for your additional info. I wrote to Ernest to get the gauge 27mm socket as it works for cricket Colibri and Vulcan.
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The flat seal that you replaced behind the air gauge is not rubber. It is of a plastic/nylon material. I don’t know why Kalibrgun decided to go with that instead of a regular rubber O-ring for a better sealing ability. For Cricket owners that do not “yet” have a leak coming from this area it is only a matter of time until it will develop one. The plastic seal will become brittle and crack.
I had to go through quite a hassle to grind a 27mm socket just to unscrew the air gauge. Once you’ve managed to get it done, though, you should be fine. Just don’t get rid of that socket as it seems like all the other bullpups like the Cricket may require it should you decide to own them in the future and remove their air gauge.
To remove the pressure gauge use a 27mm socket and grind it down to fit, or use a lathe, or buy One from Ernest Rowe Ernestrowe.com
http://www.network54.com/Forum/79537/thread/1391484280/How+to+make+a+CRICKET+GAUGE+SOCKET
Thank you very much Cricket.
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Remove the pressure gauges and replace that O-ring. Size is 10×2
To remove the pressure gauge use a 27mm socket and grind it down to fit, or use a lathe, or buy One from Ernest Rowe Ernestrowe.com
http://www.network54.com/Forum/79537/thread/1391484280/How+to+make+a+CRICKET+GAUGE+SOCKET
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You are absolutely right it is 23.3 mm. So far no positive responses to obtain the tool.i will wait until next year [emoji4].
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