Urban probe problem

[Missed-Em]

My Urban probe will fill the cylinder but leaks around the probe as it fills.  Have replaced both O-rings and still the problem.  So, what are the possible causes/solutions?  I can't find the correct O-ring sizes, anyone have it?  While I'm asking all these questions, how about a location for an Urban schematic?

Thanks - Steve

[avator]

Mine always has seeped just a little. I can hear a faint whistle as I fill. I still manage to get it full everytime and I have a compressor so I don't sweat it much. Would be nice to find a foster conversion tho.

[Back_Roads]

 A couple wraps of teflon tape inside the o-ring groves may give a better seal, if o-rings are not fully seating. It worked for me in a pinch.

[MB]

Here are the orings : http://www.airgunspares.com/store/product/16110/BSA-BSA-Buccaneer-Probe-O-Ring-Part-No.-16-9048/

You should a light coat of Molykote grease on them :

http://www.airgunspares.com/store/product/12807/BSA-Molykote-Grease-Sachet/

[MB]

Schematic

[avator]

Thanks for that Mike.

[Missed-Em]

Sorry, but I must have slept thru the Urban 101 class. I believe the Phox is the Brit version of the Urban, but how does the Coyote, et. al. fit in?

[MB]

Phox Urban, Chacal, Coyote, BSA Buccaneer, essentially the same internals

[MB]

You can see the similarities here, thanks to Marc In Iowa

https://www.gatewaytoairguns.org/GTA/index.php?topic=136008.0

[Missed-Em]

Thanks Mike.