Tuning Finally happened. nova freedom 22 pump failure

These are the O-rings to replace the OEM O-band at the heart of the pump.

https://www.amazon.com/gp/product/B000MNBMUM/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

It isn't all that hard to do, but be VERY!!!! careful when you are handling the brass "small piston head" where the O-band is located.

It is VERY easy to bend/break!

Clean everything while you have it apart as the OEM O-band puts a lot of debris throughout the system as it disintegrates.

Replace the O-band with 2 of the O-rings from the link above.

Good luck!

P.S.

Here is the assembly diagram. Look at the third link for the Seneca Aspen. https://drive.google.com/drive/folders/1_Wv4mkAVJt_ZSP6MXaHSn3P5UtBilHsq
 
Have you used the included silicone lube periodically as instructed? 

You can still use an external hand pump or tank to fill it by using the included fill probe with built in quick disconnect that plugs in under the extended pump handle.


None of mine lasted anywhere near that long. Lubing, pumping slow, etc, etc, etc... so I would say he did well to get it to last that long!

Of course, I used mine a LOT! They were all I had and VERY accurate!
 
The thing that really infuriates me is they are cranked up right out of the factory and have a shorter expected life at the higher pressures. It's as though they were made to be disposable guns from the start because they were never improved on their weak links and just slapped a new brand label and used the same parts which are historically prone to fail preying on the innocent and unknowing buyers. Pretty sad fact they have to be turned way down in order to get a decent life expectancy from them. Under 1 year warranty you get a new one as a swap that too is prone to fail as well.

I would rather take my chances and buy the $100 fix your self versions which were warranty trade in broken guns from ATI and replace the poppet and valve with the superior one from DUY.
 
I've been very liberal with the silicone, and slow with the pumping. I have an estimated 2k rounds through the gun. A Great idea, but poor execution with cheap components. That being said, what does one expect for $300? Honestly I expected more but I got a lot more rounds down range than most. I'm going to fix and relegate it to backup gun. And use pump as a last resort fill method moving forward.