My Impact Compact MKII .30 decided to have a massive leak at the front of the power plenum. The techs at FX USA are sending a new valve assembly. First time for tearing into the the Impact so wish me luck
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Tuning Wish me luck
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It’s very easy! The only thing Is that you will spend more time removing all those screws and then reassembling than the actual fix takes. If I can do it anyone can, just take your time. The next time you have to dig into the gun will seem easy and take much less time! Good luck
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I'm in the same boat with my few-months-old MkII. I've had the parts provided free by FX for a few weeks now but haven't gotten over the hurdle of figuring out how to do the installation.
FX did give me the option of returning the gun for repair, but that entails a shipping cost of $75+ on my part. And it is true - I do need to know the design of this gun better, and hopefully I will once I complete the installation of the repair parts.
FX did give me the option of returning the gun for repair, but that entails a shipping cost of $75+ on my part. And it is true - I do need to know the design of this gun better, and hopefully I will once I complete the installation of the repair parts.
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Photos are always a good reference as YouTube can only take you so far. What is it 34 o rings if you count them all
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This from Airbuks should help as will a few or Ernest's videos. These vids make it easy to teardown and build up the Impact.
https://www.airgun101.com/index.php/component/allvideoshare/video/fx-impact-power-plenum-installation-guide?Itemid=550
https://www.airgun101.com/index.php/component/allvideoshare/video/fx-impact-power-plenum-installation-guide?Itemid=550
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Thank you for the encouragement, I will let you know how I get along. Actually I am looking forward to the challenge and hopefully I will not have to ask any of you for assistance, but always good to know there is help if needed
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+1 on the Airbuks and E Rowe videos. For all the criticism of FX, the information available on repairing/modding their guns is really helpful to users of their products.
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It is rewarding to loose being afraid of metal pieces and rubber o'rings.
Just focus and work over a white blanket. Beware of all pieces and on where pieces should be.
Just focus and work over a white blanket. Beware of all pieces and on where pieces should be.
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Make sure you have all the proper tools on hand. No rounded off overseas allen wrenches, no standard screwdrivers(gunsmith style preferred), calipers are always welcome to take precise measurements(no tape measures, lol), and o ring pic tools(plastic preferred, as you DO NOT want to scratch the o ring groove). Do not use vice grips or a BFH on anything! I don’t care what BUCKNMOOSE says.
Do use a mechanical pencil to make index/reference marks for realignment. Make sure you have the proper consumables in lubes. Don’t forget a leak detection solution of soap/water or better yet, CRC leak detection foam spray.
Lastly, very, very important- DO NOT re install your charged carbon fiber bottle till the barrel is back on and locked into place, and all fasteners that tie in the front and rear blocks have been secured.
Do use a mechanical pencil to make index/reference marks for realignment. Make sure you have the proper consumables in lubes. Don’t forget a leak detection solution of soap/water or better yet, CRC leak detection foam spray.
Lastly, very, very important- DO NOT re install your charged carbon fiber bottle till the barrel is back on and locked into place, and all fasteners that tie in the front and rear blocks have been secured.
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Thanks, for all the tips and advice. Valve assembly should arrive in a couple of days will let you know how it goes!
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Thanks again for all the encouragement and tips. The Impact is back together and working fine! 
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