GTA
Airguns by Make and Model => Crosman Airguns => Topic started by: Muppit on May 12, 2014, 11:38:25 PM
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hi folks I haven't had much time to do a lot with my air rifles in a while but take a shot here and there. I have recently been shooting more often and yesterday I loaded up the cs 200kt and did some shooting and the rifle seemed to not have any power so I changed out the co2 cartrage and it shot fine again. I got a call and when I picked the rifle up it wouldn't shoot. so I went to change the co2 again but when I unscrewed the cap to the cartage it leaked co2 out like it was a full cartrage. put a new one in and it punctured the co2 like it was supposed to but wont shoot a pellet. any one got an idea what I need to look at to fix it. gun is stock except power adjuster, long probe bolt and some trigger work which would not cause this problem. I figure its a valve issue but don't know what to look for thanks guys. Dave
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Taking a guess that the piercing pin is possibly sticking in the cartridge. This can be caused by overtightening the CO2 cap or, possibly, too much pre-load on the hammer spring. That you could unscrew the cap with your hand indicates the cartridge never charged the valve.
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I had to use tools to unscrew the cap for the first time ever I really never tighten the cap much.
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Back off the overtravel trigger screw. If screwed in too far it can limit the sear releasing the hammer &/or cause drag on the hammer.
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ok checked the trigger spring and hammer both are moving freely. hammer is hitting the pin and piercing the co3 cartrage but only shoots a couple times then does not shoot again does not seem to be blowing co2 out barrel either. I will be disassembling the rifle some time tomarrow to see what I find
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My 2400 did something similar, but when I looked at the cartridge, it was just barely pierced.
I checked the over travel screw, it had plenty of room.
I put a dot of pelgun oil on the cartridge (I hadn't done that in 10 or 15 cartridges)
And made sure I screwed the cap down as far as I normally do, and it pierced just fine that time, send every time since.
Let us know how it goes.
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If you haven't already, do as Bill said, back out the trigger overtravel screw on the back of the trigger guard.
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thought I would give this all one more try before a took it apart and I think the seals on the co2 cart. was really thick. the pin pierces the seals on three carts but barely on the forth it was fine,think I may have got a bad box. as far as the trigger stop I have it backed off because I never really cared for it. I just feel if your squeezing the trigger the rifle goes off b4 the trigger actually hit the stop. I'm going to shoot some more and see what happens today. I got another box of carts so we will see