FX Wildcat .25 Air Leak

Forums PCP Airguns FX Wildcat .25 Air Leak

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    BitFrost
    Participant
    Member

    Hi!
    Decided that today I’m going to enjoy myself and shoot as many tins as possible. Shot maybe 50 pellets or so and went to fill it up again. Did so and then came the hissing sound. It stopped so I shot some more in but came back when I filled it up the next time. The hissing sound and leakage is in the front of the airtube, where the fillprobe goes in. Suggestions?
    http://www.fxairguns.com/wp-content/uploads/2015/10/wild-exploded-drawing-Standard.pdf

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    Deleted Account

    That’s unfortunate but a pretty easy fix if you have spare o-rings. Sounds like E-12 or E-13 oring. Doubt its both or all 3 . I have a .25 wildcat also and only replaced orings on my barrel and fill probe so I’m not sure of the exact size. I know some airgun sites charge a lot for orings, not sure why, but I matched mine up at home depot in the plumbing section and there selection of different sizes was huge.plus no wait and very cheap.

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    Deleted Account

    If your going to repare those orings you need to bleed the air out first via the brass allen bolt on left side of breech block.

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    Deleted Account

    I just took another look at the drawing and its either the E-10 or E-12 oring. Either way its an oring issue and easy fix.

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    BitFrost
    Participant
    Member

    Thanks @FastEddie! Is it normal that it functions properly and the leakage stops, then comes back sometimes when filling?
    Think I might try and match the o-rings in some hardware store, however isn’t this a case of warranty? The rifle is not a year old yet, and my problem seems like it’s internal and not something I could have caused?

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    Airslinger
    Spectator
    Spectator

    here you go 

    this should help 

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    Deleted Account

    I had a leak that would come and go with my fill probe when filling. Not sure why. I replaced the orings and its been fine ever since. Maybe it only leaks when filling under higher pressure? It is covered under warranty but then you have to ship it and wait. Also when I received my wildcat and removed the barrel I noticed the two orings on the outside at the breech end had some significant dry rot and cracking. Even though its a new rifle the orings weren’t.

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    Deleted Account

    Hi Airslinger. I’ve never seen it done that way. It works though. Johan from Fx Airguns had a post here walking through bleeding the air by loosening the brass allen bolt on the left side of the breech block. I bled my airtube that way before I had it camo dipped , but your way also works. Its good to have options. Thanks.

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    hsnmz
    Participant
    Member

    FastEddieIf your going to repare those orings you need to bleed the air out first via the brass allen bolt on left side of breech block.

    This is the right way to bleed the air from Wildcat. The method shown in the video is not correct.

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    Airslinger
    Spectator
    Spectator

    “hsnmz”

    “FastEddie”If your going to repare those orings you need to bleed the air out first via the brass allen bolt on left side of breech block.

     

    This is the right way to bleed the air from Wildcat. The method shown in the video is not correct.

    
Hmmm   looks correct to me.       The man in the video was able to safely degas the wildcat.

    Granted it is not the way that Johan put out,  it is still a safe a proper alternative.   Ernest knows his stuff.

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    BitFrost
    Participant
    Member

    Thanks for all tips. For now it’s working properly. I was told that it could also be an issue with a valve/spring/valvespring. Was told to give it a slight jolt with air when filling if it happens again and see if that fixes it. 

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    hsnmz
    Participant
    Member

    “BitFrost”Thanks for all tips. For now it’s working properly. I was told that it could also be an issue with a valve/spring/valvespring. Was told to give it a slight jolt with air when filling if it happens again and see if that fixes it. 

    
That jolt will put pressure on the o-rings which will help in sealing

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    Dartagnan
    Participant
    Member

    I’ve been expecting more leaks on my Wildcat and so far it’s has been at the regulator where air was leaking out the Vent hole. I was loosing 10 Bars after an 8 hour period. 

    As for Issue, check where the pressure gauge screws in. Use soap and water to confirm. If it is coming from where the pressure gauge screws in,  try tightening the pressure gauge a little. If that doesn’t help, you’ll need to replace the plastic washer inside. Not sure what size it is. I’m sure a replacement can be fount locally. 

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    Dartagnan
    Participant
    Member

    Or simply email Johan at FX and ask for a Wildcat troubleshoot pdf. It shows how to fix various leaks. Or if anyone can show me how to post a pdf, I’ll gladly do it

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    hsnmz
    Participant
    Member

    DartagnanOr simply email Johan at FX and ask for a Wildcat troubleshoot pdf. It shows how to fix various leaks. Or if anyone can show me how to post a pdf, I’ll gladly do it

    Pls email at [email protected]
    Thanks

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    Dartagnan
    Participant
    Member

    Here’s a link to the pdf shared by Johan. Note that this pdf looks to be for the Wildcat 25 when it it comes to the o-ring size.  Locations to check relates to both the 22 & 25 version.  Also, I have only taken the Wildcat apart using the second link below to access the regulator to changed outer the o-rings.  The o-rings I used to replace the ‘outer regulator’ orings were the o-rings used for the Benjamin Marauder 25 (Part# 1763-26).  It seems to be holding air so far…and that was over a week ago. To check if there is a leak through the vent is to put clear tape over the hole and see if air is escaping. 
    https://drive.google.com/file/d/0B8dEWn7j8LZtVXdCSGdCckhMRjR2blpWOWdFdFZQc2RiOXhN/view?usp=sharing

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    Link to another post to get to the Wildcat regulator to replace the o-rings.
    http://airgunnation.dev/topic/fx-wildcat-air-leak/

    Hope this helps

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    Gols77
    Participant
    Member

    can someone help me how to fix my fx wildcat .22.when I’m trying to pump it the air will comes out from the barrel..any clue for that..many thanks

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    Dartagnan
    Participant
    Member

    “Gols77”can someone help me how to fix my fx wildcat .22.when I’m trying to pump it the air will comes out from the barrel..any clue for that..many thanks

    
Sounds like your valve is stuck open. 

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    HavocX
    Participant
    Member

    “Gols77”can someone help me how to fix my fx wildcat .22.when I’m trying to pump it the air will comes out from the barrel..any clue for that..many thanks

    
Did you fire the rifle below 100 bar? May have damaged the valve seat.   Best to check valve pin first 

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    TKA87
    Spectator
    Spectator

    Try cocking it and filling it. My brand new discovery did that and I cocked it and filled it and it started working fine.

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