Need help with sprinkler valve....not modding!

Cannons powered by pneumatic pressure (compressed gas) using a valve or other release.
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Rayman_1337
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I have modded my sprinkler valve, and attached it to my chamber, and I start to pump air into the chamber for the first time and air is slowly leaking out of the barrel end, and when I keep going it starts to make a farting noise......help please =[
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mopherman
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is your external bleed switch off? turn it off and clean the diaphram. you can do this by taking the top off, grabbing the little circle on the edge of the phram, and yanking it. clean it off and put it back in.
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frankrede
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Sounds like you spring is in, open your valve and put some lithium grease on the rubber.
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demilus
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Make sure that the valve is on the right way (sounds dumb, but seriously check it.). Grease where the diaphragm and the seal to the barrel meet. This helps make a better seal.
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Rayman_1337
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Alright, yea the external bleed switch is off, Il trying greesing it up.

And I believe it is on the right way because when I pull on the blowgun the rest of the air comes out cuz i dont want to hear that farting noise...
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lukemc
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could it be backwards?
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Rayman_1337
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Alright, I cleaned it, and then greased it up....still not holdin the air in......broken valve or what?

and its the right way...
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pyromaniac
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My valve did this for a while the problem was i wasn't getting air in fast enough for it to seal i put a ball valve on the forward end is, where the arrows are pointing. This sealed off the rest of the barrel from the sprinkler. pressure then built up enough to have it seal. Now it doesn't leak at all.
:pottytrain3:
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Rayman_1337
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So your valve leaked slightly when you started to pump air into the chamber? cuz thats what mine is doing :evil:
Monkey621
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I assume your using a bike pump (or some other kind of hand pump...). You need to either fill it into another tank and fill it or put a ball valve before or after the sprinkler (like Pyro said). Or resort to an air compressor, its just how sprinkler valves work. There used to be a diagram somewhere but I can't find the link...
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