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After adjusting the reg down to 1900psi from 2200 psi the gage block o-ring took a dump. I wasnt wanting to only shoot 18 grain but also 21.53 and 22.07 grain. I have BETH setuned now at 945 fps with an es of 4 and sd 1.7. Its raining today so I am still waiting to do some serious testing for...

"BETH" is well again thanks to Airgun-hobbist. He gifted me a couple 122's to get back in the game. I have ordered both Buna 70 and Viton 75 and they will be delivered tomorrow. I assembled Beth and charged with air about 5:00 yesterday evening and the gage has not moved for around 15 hours. If...

Thank you, very useful info for sure!

While waiting for O-Rings to arrive this would be a good time to slug BETHS barrel. I am not sure what I have on hand will work for this. I have pellets of course but doubt they will give a good result. Also, there some NSA slugs that are .2165 available . They do seem to fit loosely and...

Following this subject with interest.

STONE COLD- 2300KT Crosman Made into a 25 cal PCP, my first build NUKE- 25 cal Cricket Carbine RIP- 30 cal EVOL BETH-22 cal EVOL THELMA- 177 R7 2019 LOUISE- 177 R7 1983 SPANKY- 30 cal EDGUN CLIMAX- 22 cal Mutant long ROWDY - 22 cal Crosman 2240 ROBO- 177 cal Beeman P17 SHAKE & BAKE-45 cal...

I currently have 2 small tanks and a 6000 psi nitrogen that I fill those with.

I have went back into BETH and the 122 o- ring was damaged. I would like for you to mail me one, maybe 2 in case I cut another during install and I will order me some soon and pay you back. I will message you my mailing info. Sincerely thank you for doing this

does AOA sale an O-Ring rebuild kit? I have a print out that list the ones needed but have no idea if a kit is offered.

PART 1 While waiting for the required tools and grease I read lots of post and watched many vids to educate myself. I was feeling confident and began the reg adjusting a couple days ago. Encountered no problems getting each piece to screw apart, that was a relief and one of my worries. Each part...

You have completely drained all air and tore into your EVOL for maintenance. All is well and has been assembled and is ready to be aired up. Is there a certain way to do this? Should the hammer be cocked or just plug in the fill whip and quickly open the valve on your tank?

since I am screwing in that will not be a problem.

ThANK YOU, sounds like a good plan.

Once I have the reg adjusted to say 1900psi and begin to find the HS setting where the fps stops climbing, is it harmful to adjust spring to coil bind and back off a couple rounds to start checking fps or move up a little each time from where it is at the beginning? Thinking the process could be...

Want to share my plan for adjusting Beths health; First concern is I dont have a vise and that may be a problem getting the barrel loose. I hope I can hold the chassis firmly and rap the spanner with a dead blow hammer to get it moving. I don't have acetone but will clean with alcohol and...

I have decided to do my own maintenance. I need to know how,having ownership of 2 EVOLS. It makes sense to manage this on my own. I will save money in the long run and not have to box and ship my loved one off every time I have a problem. Looking forward to the challenge. I will post more detail...

The gun is new, how could it need to be cleaned. Did Tom forget to clean it properly ? I dont think so.

After 2 days both the reg gage and fill gage pressures have not changed

Dang Guys, I am getting quiet the education on this thread. Thank you so much. I have more to ask and thoughts to share in the coming week.

did not know they existed