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why doesnt my sprinkler valve work?

A place to ask general spud cannon related questions.
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Unread postAuthor: iamthewalrus » Mon Apr 25, 2005 5:03 pm

yes, thats all it does, its just like a non-electric solinoid, thats what i was unsure of too, but if u look at a rainbird sprinkler valve, there's a little black thing on the top, thats a manual bleed valve to actuate the diaphram, so basicaly thats what the blowgun does, justs moves the manual bleed valve.
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Unread postAuthor: julz » Mon Apr 25, 2005 5:07 pm

cool. i'm getting all my stuff today for thew cannon in the 'pneumatic or combustion' thread. do i just need primer and PVC glue to do it all?
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Unread postAuthor: julz » Mon Apr 25, 2005 5:08 pm

oh and also how do i install the pressure gauge and schradner valve? will it be obvious when i get the parts?
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Unread postAuthor: iamthewalrus » Mon Apr 25, 2005 5:09 pm

dont use glue on threds, use teflon tape, that way if u mess up it isnt permanent, only use glue on smooth pieces, always use teflon tape on threads.
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Unread postAuthor: julz » Mon Apr 25, 2005 5:12 pm

ok. thanks man, u've helped me heaps today. i dont have a camera so ill post pics as soon as i can borrow one.
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Unread postAuthor: iamthewalrus » Mon Apr 25, 2005 5:13 pm

yes the schrader and presseure gauge are very easy to put on, just tap the right size hole, put teflon on the threads and screw them in. nice and easy.
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Unread postAuthor: julz » Tue Apr 26, 2005 12:06 am

OH crap! i tried to mod my sprinkler valve but i thnk i might have fucked it! :cry: :cry: :( :shock:

i followed the instructions in the how to but they didn't work. my valve has a guide rod in the center and it's a little bent. the main problem i have is understanding how a modded valve works.

what exactly is the hole with the blowgun handle meant to do?

PLEASE SOMEBODY HELP ME!!!!!
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Unread postAuthor: iamthewalrus » Tue Apr 26, 2005 5:14 am

ok, do u know how a diaphram works??, well if u do the blowgun hole is the what lets the top air out raising the diaphram letting air in, basically exactly what a solinoid does, and with the guild rod, have u already drilled a hole?
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Unread postAuthor: julz » Tue Apr 26, 2005 3:04 pm

yes i drilled a hole but i didn't know if the blowgun was meant to pull air out or what, so i just put it on. nevermind now though, i'm getting a new valve after school today and will power it electrically. to that i just have to hook up the switches, batteries and valve, right? thanks
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Unread postAuthor: iamthewalrus » Tue Apr 26, 2005 3:26 pm

yeah, but electrical is much much slower and u need to replace batteries a LOT. gets really expencive
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Unread postAuthor: julz » Thu Apr 28, 2005 3:18 am

well, its all finished now. i used a Garden Mate 25mm solenoid valve. two 9v batteries power it and it does the job fine. at 60 psi it fires powerful as hell :D . but yes, at lower pressure (30-40 psi) it does act slow, letting out qa little bit before actually firing.
thanks for all the help mate! :D
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