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Sprinkler valve help!!!! (i've looked at the guides)

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Sprinkler valve help!!!! (i've looked at the guides)

Unread postAuthor: zeigs spud » Sun Oct 01, 2006 7:49 pm

Okay i've looked at the guides and i can't manage to get the flow control nob off of my sprinkler valve. It turns but wont unscrew. How do i get it off? its a 1" automatic sprinkler valve (Rain Bird)


heres the pics...

the box
<a href="http://img228.imageshack.us/my.php?image=pict1398mf9.jpg" target="_blank"><img src="http://img228.imageshack.us/img228/2072/pict1398mf9.th.jpg" border="0" alt="Free Image Hosting at www.ImageShack.us"></a>

The top of the valve
<a href="http://img228.imageshack.us/my.php?image=pict1395fe5.jpg" target="_blank"><img src="http://img228.imageshack.us/img228/8403/pict1395fe5.th.jpg" border="0" alt="Free Image Hosting at www.ImageShack.us"></a>

the bottom of the cap
<a href="http://img228.imageshack.us/my.php?image=pict1396db0.jpg" target="_blank"><img src="http://img228.imageshack.us/img228/223/pict1396db0.th.jpg" border="0" alt="Free Image Hosting at www.ImageShack.us"></a>

the bottom of the cap without the little black thingy on the bottom
<a href="http://img148.imageshack.us/my.php?image=pict1394jz8.jpg" target="_blank"><img src="http://img148.imageshack.us/img148/3884/pict1394jz8.th.jpg" border="0" alt="Free Image Hosting at www.ImageShack.us"></a>

The bottom half of the valve
<a href="http://img181.imageshack.us/my.php?image=pict1393hs6.jpg" target="_blank"><img src="http://img181.imageshack.us/img181/1509/pict1393hs6.th.jpg" border="0" alt="Free Image Hosting at www.ImageShack.us"></a>

well i really need help. how should i detach the flow control stem? do i need a new valve? should i keep the spring when i attatch the blwo gun? please heeeeellllppp.....
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Unread postAuthor: killagorrila99 » Sun Oct 01, 2006 8:18 pm

You dont need to detach the flow control, just screw a barb into where the solenoid use to be.
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Unread postAuthor: zeigs spud » Sun Oct 01, 2006 8:43 pm

umm barb? whats that? The flow controll has a stem going down and pushes the little black round cap thing down to cut off cercularion...dosent it? should i take the black cap thign off? should i losen the flow controll so it doesn't keep the valve closed?

liek this?
<a href="http://img156.imageshack.us/my.php?image=pic1189mm3.jpg" target="_blank"><img src="http://img156.imageshack.us/img156/3200/pic1189mm3.th.jpg" border="0" alt="Free Image Hosting at www.ImageShack.us"></a>
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Unread postAuthor: zeigs spud » Tue Oct 03, 2006 1:52 pm

can someone plz help? i cna't figure it out lol...i guess i'm just stupid.
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Unread postAuthor: Torch » Tue Oct 03, 2006 2:00 pm

This should help. Like the page says, tear off the flow control stem and screw in a hose barb, you can get em at your local hardware store/Home Depot

Image


EDIT: Or you can use a threaded brass nipple and connect the blowgun to the valve itself
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Unread postAuthor: zeigs spud » Tue Oct 03, 2006 5:07 pm

ugh i've read that before....i just can't seem to quite get it out.
problomes-
1-can't get the flow control stem off (shoudl i just break it off?)

2-if i take it off the holes gonna b too small so should i try to jam it in or just make it bigger?

3-should i put some j.b. weld in aroudn it so it doesn't leak at all?

4-now that i took the top half off i am having great truble getting it back on :x should i use a power drill and should i even need too?
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Unread postAuthor: Torch » Tue Oct 03, 2006 6:00 pm

1. yes just break it off.

2.Just make a a hole a little bit smaller the your barb/nipple and just screw it in.

3.You can if you want but 4-5 layers of teflon will make it airtight ifthe hole isnt to big.

4.The lid of the valve? If so, I always use a power drill to put in the screws.
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Unread postAuthor: frankrede » Tue Oct 03, 2006 8:15 pm

Use lots of force, hammer it with a pick from the inside
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