Author Topic: Mrod isnt holdimg any air (Read 2499 times))

Cody2306 · « **on:** November 21, 2016, 07:23:12 PM »

I recently fixed my Benjamin pump by replacing some prongs... Then I put a war valve in mrod and a 12.5 hammer spring.. but when putting everything back together I stripped out my gauge port.. so I ordered a new one got everything back together and now it's not even hold any air at all ... Where do I start.....I undid the foster plug thing and hooked it up to the pump and I can feel air being pushed threw so IDK... Please help guys

tracker1955 · « **Reply #1 on:** November 21, 2016, 07:28:02 PM »

Probably knicked and oring on the valve or gauge block.

Cody2306 · « **Reply #2 on:** November 21, 2016, 07:32:14 PM »

I just put new orings on gauge and valve but I'll open her up and check again

BigTinBoat · « **Reply #3 on:** November 21, 2016, 07:56:32 PM »

Cody2306 · « **Reply #4 on:** November 21, 2016, 08:24:58 PM »

I'm starting to think it's not the rifle... Because it started to hold air after I took the stock off . I had decided to try one more time before I took the valve and everything else to do a check... And it held a bit of air and I dry fired it and on the second dry fire it sounded like it let a lot of air out and now it won't hold air again

ezman604 · « **Reply #5 on:** November 21, 2016, 08:26:17 PM »

Fill it up and use soapy water to spray around the fill probe and gauge area to see if you can find the leak.

ezman604 · « **Reply #6 on:** November 21, 2016, 08:28:05 PM »

Sounds like a valve issue...poppet not sealing. Was this on a full 3K fill? You can't let the air pressure below a recommended point with most modified valves.

Cody2306 · « **Reply #7 on:** November 21, 2016, 08:39:01 PM »

OK its not the air pump... I've got the air tank off and I tried pumping it by itself and the air is going straight out the transfer tube or port

ezman604 · « **Reply #8 on:** November 21, 2016, 08:43:19 PM »

See above post...

ezman604 · « **Reply #9 on:** November 21, 2016, 08:49:04 PM »

With the reservoir off and no hammer/trigger group, reach in and work the poppet 2-3x and let it pop back out by the spring. This MIGHT help it seat again.

Cody2306 · « **Reply #10 on:** November 21, 2016, 08:52:59 PM »

OK I will try that... What is the poppet and do I need to take the war vAlve apart and check something

ezman604 · « **Reply #11 on:** November 21, 2016, 09:29:09 PM »

THIS is a factory valve (the one on top) and shows the poppet, the stem sticking out of the end. You should be able to access the poppet stem without taking it out again. The poppet is spring loaded. You should be able to push the stem in a bit and release it quickly and it will pop-pet back in place.

Work it 2-3x like that to make sure it seats.

Gertrude · « **Reply #12 on:** November 21, 2016, 09:37:47 PM »

Cody,
Cock the gun before trying to fill it with your hand pump.
It sounds to me like the hammer tension on the poppet is holding the poppet open when there is no pressure in the reservoir .

Cody2306 · « **Reply #13 on:** November 21, 2016, 09:47:51 PM »

Hey guys did exactly what y'all said and I it's holding It again thanks..

Gertrude · « **Reply #14 on:** November 21, 2016, 10:03:51 PM »

Quote from: Cody2306 on November 21, 2016, 09:47:51 PM

Hey guys did exactly what y'all said and I it's holding It again thanks..

You are welcome. We are always here to help fellow airgunners.

Cody2306 · « **Reply #15 on:** November 21, 2016, 11:03:26 PM »

Quote from: Gertrude on November 21, 2016, 10:03:51 PM

Quote from: Cody2306 on November 21, 2016, 09:47:51 PM
Hey guys did exactly what y'all said and I it's holding It again thanks..
You are welcome. We are always here to help fellow airgunners.

OK one more thing... It's holding air now... So I filled up to 2000 Psi and took one shot and way too much air came out .. it went threw 1000 Psi.... Is this a tuning issue or something else

Gertrude · « **Reply #16 on:** November 21, 2016, 11:14:14 PM »

2000 psi and 12lb spring sounds like you have wayyy too much hammer tension/strike too me... but I am certainly NOT an expert here.
Possibly even a sticky hammer (?).

Did you polish the inside of the tube when you had it apart ?
Deburr the inside edges ?
Did you use some sort of grease on or around the hammer ? ( it shouldn't need much, if any).

I would contact Travis and ask him what he would recommend as a tension setting.

Cody2306 · « **Reply #17 on:** November 21, 2016, 11:24:54 PM »

What's the best way to get a hold of him

ezman604 · « **Reply #18 on:** November 21, 2016, 11:28:27 PM »

BEST way is a phone call. It's what Travis prefers.

http://wickedairrifles.com/index.html

Gertrude · « **Reply #19 on:** November 21, 2016, 11:28:52 PM »

Quote from: Cody2306 on November 21, 2016, 11:24:54 PM

What's the best way to get a hold of him

http://wickedairrifles.com/index.html

oops, The Boss beat me to it

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Mrod isnt holdimg any air

Author Topic: Mrod isnt holdimg any air (Read 2499 times))

BigTinBoat