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 Post subject: Crosman 2240
PostPosted: Mon Apr 14, 2014 8:44 pm 
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Joined: Fri Nov 16, 2012 5:52 pm
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Location: Edmonton, Alberta
Can anyone tell me why my CO2 cartridge will jam, and I cannot remove easily? Just started to happen. Also I have noticed I get maybe 30 shots, then nothing. Click. But still Co2 in cartridge. Puzzled :hsmash

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 Post subject: Crosman 2240
PostPosted: Mon Apr 14, 2014 9:23 pm 
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What CO2 cartridges are you using?
And are you using pelgun oil on each cartridge?

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 Post subject: Re: Crosman 2240
PostPosted: Mon Apr 14, 2014 10:07 pm 
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If i remember correctly this was discussed not to long ago, it might be the type of cartridges your using do you know or can you tell if its sticking in the tube or valve face ?

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 Post subject: Re: Crosman 2240
PostPosted: Tue Apr 15, 2014 7:15 pm 
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SureShot wrote:
What CO2 cartridges are you using?
And are you using pelgun oil on each cartridge?

Crosman 12g and pellgun oil on each second one.

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 Post subject: Re: Crosman 2240
PostPosted: Tue Apr 15, 2014 7:17 pm 
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Ace wrote:
If i remember correctly this was discussed not to long ago, it might be the type of cartridges your using do you know or can you tell if its sticking in the tube or valve face ?

Seems like it's sticking on the valve face.

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 Post subject: Re: Crosman 2240
PostPosted: Wed Apr 16, 2014 5:01 am 
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OK.. this is just a theory based on my own observations. First off, if you consistently over tighten the co2 end cap you will eventually create a cup in the valve seal. At the same time decreasing the hole dia. As pressure drops in the caplet, the peircing pin get,s stuch in the seal because there isn't enough pressure to push it back . The jolt of a missfire dislodges it and it then fires again. Because your caplet is hard to remove is your first clue. Pelgun oil is a must for co2 guns.

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 Post subject: Re: Crosman 2240
PostPosted: Wed Apr 16, 2014 4:59 pm 
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joe hickey wrote:
OK.. this is just a theory based on my own observations. First off, if you consistently over tighten the co2 end cap you will eventually create a cup in the valve seal. At the same time decreasing the hole dia. As pressure drops in the caplet, the peircing pin get,s stuch in the seal because there isn't enough pressure to push it back . The jolt of a missfire dislodges it and it then fires again. Because your caplet is hard to remove is your first clue. Pelgun oil is a must for co2 guns.

I think you are correct sir....makes sense, :oops: dont know my own strength sometimes. Yup... just tried it, problem resolved. Thanks Joe! :D

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Last edited by rickralph on Wed Apr 16, 2014 5:21 pm, edited 1 time in total.

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 Post subject: Re: Crosman 2240
PostPosted: Wed Apr 16, 2014 5:13 pm 
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You may get away flipping the seal in the valve.


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 Post subject: Re: Crosman 2240
PostPosted: Wed Apr 16, 2014 5:23 pm 
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blarg wrote:
You may get away flipping the seal in the valve.

Did not think of that. Will do if the problem persists. Thanks Blarg :)

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 Post subject: Re: Crosman 2240
PostPosted: Sun Apr 20, 2014 10:32 am 
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Tone down the hammer spring. If you use too strong a spring, this can occur.

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 Post subject: Re: Crosman 2240
PostPosted: Sun Apr 20, 2014 12:49 pm 
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AirGunEric wrote:
Tone down the hammer spring. If you use too strong a spring, this can occur.


Ive run into this with strong hammersprings ;)

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 Post subject: Re: Crosman 2240
PostPosted: Sun Apr 20, 2014 6:19 pm 
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On the upper end of the hammer spring scale (the three shot per cart end) your piercing pin can travel so far into cart it effectively seals it, requiring a pressurized teardown. As they say down by the dam "There's a difference between scratching yer arse and tearing it all to pieces".


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