Special Ops Paintball: Having trouble with my prostock - Special Ops Paintball

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Having trouble with my prostock It might be an easy fix but im an autococker noob Rate Topic: -----

#1 User is offline   chippy 

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Post icon  Posted 31 March 2009 - 04:18 PM

So I got myself a nice re/black 05 prostock pump and then bough a compleat front block and threw it on.

The problem is that when I air it up and fire it, it only cocks back about half way then stops. It almost seems like it could be a problem with the rod that runs on the left side of the cocker (pump arm?) is sticking or maybe even bent. I tryed unscrewing the pump arm and it doesnt come out and im fairly sure you can take it off. It was properly timed and there is no leaks to be found on it. :dodgy:
I woudlnt mind if this problem is solved before this saturday so I dont have to bring it into the shop.

I have pictures if its really necessary
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#2 User is offline   mass destruction 

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Posted 31 March 2009 - 04:27 PM

Is it a pump cocker, or is it semi? If its a pump there's little to no timing required, but you may need a longer pump rod.
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#3 User is offline   slinkyaroo 

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Posted 31 March 2009 - 04:49 PM

Short stroking anybody? If the linkage is put together correctly this may be your problem.

Short stroking is when you do not pull the trigger completely and release to allow a full cycle. Chippy try firing with your middle finger. I find this reduces short stroking and allows a faster rate of fire.


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This post has been edited by slinkyaroo: 31 March 2009 - 04:50 PM

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#4 User is offline   flyweightnate 

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Posted 31 March 2009 - 06:59 PM

LPR too low. Crank the pressure on your LPR a bit, and it should help a lot. Keep turning it up until the backblock fully extends.

Also, look into how to set the lengths on your cocking rod, pump arm, etc in one of the timing articles in the stickies.
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#5 User is offline   chippy 

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Posted 01 April 2009 - 10:54 AM

Its a semi now the pump works fine

I dont think its short stroking but ill try that out

and ill see about the LRP when I get it aired up either today or tomorrow

Thanks for the help guys!!
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