FX fx pantera leak

[RabidRider]

Just bought a pantera last week from utah airguns. It has a stupid leak somewhere and i cant find it . Ordered some crc leak detector because i could not find with soapy water. Went from 250 bar to 125 in 2 days. Put a glove on end of barrel to see if leaking throu barrel and it was not. Think it may be leaking throu regulator adjustment. Sucks to spent that much on a rifle and it leak. Have a drs and a couple of aea and thay dont leak.. Any ideas?

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[greenbeans]

Just bought a pantera last week from utah airguns. It has a stupid leak somewhere and i cant find it . Ordered some crc leak detector because i could not find with soapy water. Went from 250 bar to 125 in 2 days. Put a glove on end of barrel to see if leaking throu barrel and it was not. Think it may be leaking throu regulator adjustment. Sucks to spent that much on a rifle and it leak. Have a drs and a couple of aea and thay dont leak.. Any ideas?

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Send it back to UA… new rifle leaking like that is not for customer to fix, it’s for dealer/manufacturer to replace…

 

[RabidRider]

Yea will contact them tomorrow and see what they say..

 

[JackHughs]

My one-month old .22 700 cm Panthera developed a serious leak through the Valve Holder. This is Part X1-1 on the FX Panthera schematic.. The Valve Holder contains a very small internal o-ring - Part X1-2. The Valve Rod - Part X1-6 moves back and forth following each hammer strike and is sealed by the small o-ring.

According to other posts, the Valve Rod is susceptible to bending and, once bent, the o-ring will no longer seal.

Accessing the Valve Holder to verify the leak only requires removing the chassis. However, removing the Valve Holder for repair to internal parts requires disassembly of the Plenum and special tool or, in the alternative, a bit of ingenuity as shown on Earnest's video on Panthera disassembly.

Again, my Panthera is only one month old and I could have sent it back for warranty repair. However, that would involve paying for two way shipping and a wait of indeterminate time. So, I just ordered the necessary parts for approximately $45.00 and am hoping for the best.

JackHughs

 

[carpmaster]

behind the pressure gauges there is a small hole, I use a cotton bud soaked in wd40, and I place it on the hole, if it makes bubbles it is the O-ring of the regulator inside the trigger block

 

[Trucker3573]

A reg leak should be easily determined. Like stated above most often they will leak from that tiny vent hole which stinks. FX regs are the worst to work on of any brand gun I’ve owned. Very tiny with a Cpl difficult Oring’s to get at. I had three fail over the summer myself. I’m pretty fxed out.

 

[RabidRider]

Is this the one? That o ring on end?

 

[JackHughs]

Is this the one? That o ring on end?

View attachment 532922

Yes. X-2 could be the source of your leak. If you remove the chassis, the valve holder (X-1) is visible. A leak at x-1 is easy to discover.

JackHughs

 

[RabidRider]

Well they got back to me. Sent me a label to send gun back. Tried crc leak detector and just cant find leak.. Looks like you would be able to find air leak somewhere.. Good grief. Hope gun wont become a night mare..

 

[JackHughs]

Well they got back to me. Sent me a label to send gun back. Tried crc leak detector and just cant find leak.. Looks like you would be able to find air leak somewhere.. Good grief. Hope gun wont become a night mare..

If you have the time, please report back on UA's findings.

Thanks

JackHughs

 

[Ta-Ta Toothie]

There is also vent holes on the plenum tube that can be checked if you hadn't already noticed. If you checked everything else, it can't hurt.

 

[CrosmanEngineer]

My King is on the way back from UA. They had it 2 weeks. It was also leaking from the valve cap/holder. It was a small leak, and I had to take the pic rail section off to see it. I was going to fix it myself but after speaking with UA and them telling me it would be a free warranty repair I decided to send it in.

UA was great. Filled out the paperwork and shipped it to them.

I have been using dollar store kids bubbles since covid. I was working from home and didn't have any leak detect. So, I started using my kids' bubbles. They work great.

John