Thought I had a leak ground was wet around hydrant, dug a hole to see if line was cracked or hydrant busted and found nothing, turned well pump on and found that the weep hole at the bottom of hydrant keeps draining, is there an adjustment that I can make without changing entire hydrant?
Bear with me. The hole is not a weep hole, but a drain. When you shut the valve off, the water in the pipe should drain out this hole so the pipe doesn't freeze. When you lift the handle the rod in the center of the pipe raises a hard rubber bulb that lets the water flow and covers the drain hole so it doesn't run water all the time. To service the valve shut the water off, take the handle pivot bolt out. Loosen the packing nut in the center over the pipe, screw it out, lift the guts, - handle, rod and nut, out of the pipe, now you can see the rubber bulb. Screw it off and go to a good plumbing shop or plumbing supply. Replace the bulb and put it back together. The nut in the center tightens a packing to keep water from leaking around the rod. Too tight and it is too stiff. Too loose and it will leak. Also, where the center rod meets the handle there is an adjustment that allows you to lengthen the rod a little so the bulb is pushed down a little more. Maybe this is all you need. Anyway, you just got the whole load of hay. You can also screw the top part off the pipe and you don't have to disassemble the head. Put gravel around the bottom so when the pipe drains the water can get out. Don't leave a hose connected when it needs to drain.
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