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Old 06-22-2010, 09:05 AM #1
joe.hufc
the brick s***er
 
Join Date: Jul 2008
Location: england
SP1 venting out of the barrel

yes, im sure you have heard it all before in 'hundreds' of other threads.
but yeah im sorry, just one more will have to do

well anyway, its been a while since i got my SP1 hooked up with air, so today i decided to open her up, clean and lube the bolt o-rings ECT.

went to the yard, and pluged in my HPA tank, and it started to vent from the barrel, the reg seemed to be fine, it was just coming from the barrel.

any idea on what this could be?

Thanks guys.
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Old 06-22-2010, 11:09 AM #2
justicexd
mowing faces since '83
 
Join Date: Dec 2009
Check the back breech o-ring, sail o-ring, bolt stop o-rings. If the bolt was stuck forward when leaking then change the breech o-ring. If it were me I would just change all of 'em.
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Old 06-22-2010, 11:53 AM #3
joe.hufc
the brick s***er
 
Join Date: Jul 2008
Location: england
yeah, the bolt was in the forwards position once aired up and stayed there, is there any tuts on how to change all the o-rings as i am a novice at this.
cheers.
i know how to take the bolt out, but do not know anything about this internals, such as the chamber ECT.

Last edited by joe.hufc : 06-22-2010 at 11:58 AM.
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Old 06-22-2010, 03:32 PM #4
justicexd
mowing faces since '83
 
Join Date: Dec 2009
The best way to get to the breech o-rings is through the top of the feed neck.
Just remove the feed neck and reach in with a dental pick or something of that nature and pop it it out. When you put it back in, slide the bolt part of the way in so you can use it as a guide to keep the o-ring from sliding past the groove. It might take a couple of tries so try not to get too frustrated.
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Old 06-22-2010, 05:06 PM #5
joe.hufc
the brick s***er
 
Join Date: Jul 2008
Location: england
so is the breach o-ring behind or forward from the feed neck, just so i dont pick anything that i dont need to. and what is the size for this o-ring? thanks again
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Old 06-23-2010, 01:23 AM #6
justicexd
mowing faces since '83
 
Join Date: Dec 2009
The o-ring behind the feed neck.
017 is the size that you need.
In the U.S. you can get them just about anywhere, but I'm not sure about England though.
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Old 06-23-2010, 01:32 AM #7
justicexd
mowing faces since '83
 
Join Date: Dec 2009
Here's a link to an sp-1 diagram with all the o-ring sizes. http://info.paintball.ru/files/manuals/sp/sp1d.pdf
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Old 06-23-2010, 01:37 PM #8
joe.hufc
the brick s***er
 
Join Date: Jul 2008
Location: england
thank you, yeah i have a PB shop near my college that sells all the gear =)
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