Rain Bird Valve Modification

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Postby Ronald » Sat Oct 07, 2006 12:43 pm

I have an rain bird CP-100 one inch that I intend to use on a tennis ball cannon. The solenoid is mounted off center over the diaphram. Couldn't I just remove the solenoid, drill out the hole under the solenoid and then JB weld a pipe fitting into this solenoid hole to attach a manual dump valve?
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Postby SpudStuff » Sat Oct 07, 2006 12:47 pm

There should be a small manual bleed screw on the center of the valve. Un scerw it then drill a 7/16" hole if you are using a tap or a 1/2" hole if you aren't. Then screw in the nipple and blowgun. Then remove the solinoid and fill the hole with epoxy.
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Postby badkarma » Fri Feb 23, 2007 12:16 am

I'm planning to use this sprinkler valve also. What do I do with the spring under the center of cap? Will the fitting hold it place, or should I just get rid of the spring?
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Postby hi » Fri Feb 23, 2007 1:38 am

i know on a water master sprinkler valve you need to keep the spring, but thats a different valve.
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Postby Arborman495 » Sat Mar 03, 2007 6:50 pm

plug the center hole of the solenoid port with some glue. widen the side hole as much as possible. Epoxy a 3/4" threaded screw pulg thing in the solenoid hole. Tap a 1/4" male to male adapter into that. Attatch that to a 1/4" street elbow. then stick on a blowgun. Epoxy the small manual bleed screw back in and cut off the top.
http://i156.photobucket.com/albums/t13/ ... 5/Mk-4.jpg
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