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Hey Well Drillers

N

Nate V. IA

Member
I have a deep well for the livestock, I presume it more than 100 ft. I have noticed the I can hear the pump cycling on for maybe 15 seconds and then it turns off for two or three minutes even when the hydrant isn't open. There are no wet spots in the yard and this is not new. There is a say 25-50 gallon pressure tank in the manhole. Any ideas why the pump is cycling?
Thanks
Nate
 
Could be the footvalve or a hole in the pipe in the well. Turn off all lines from the manhole, if it still cycles, trouble in the well, if not start diggin!
 
if you can't hear a leak it could be below water level, might bee a hard one to find, if I was looking for it I would pull the drop pipe up to well head and put a cap on it with a gauge then trun the pump on for 1 SECOND. see if the press drops if not then the leak is under ground, could also be the pitless adapter look at it with a flash lite see if it is wet. make sure the drop pipe is secure, you don't want to lose it down the hole, you can build a clamp out of 2 two by fours bout a foot long just put a bolt in each end and tighten it up on the drop pipe
 
Could also very well bee a leaking Yrd.Hyd. some of them you can take off the top handle and pull the stem up without haveing to dig everything up. check out the o rings replace if they are bad. put some vaseoline on it and reinstall. make sure you trun off the pump and bleed of the water press 1st.
 
I'm assumming you have a submersible pump with a pressure tank in the well pit. That tank should have about 1/3 air in it. Check that first and add air if it needs it. Its the air in the tank that pushes water out without the pump running.If theres little air in the tank that will cause the pump to cycle frequently. The water loss in the system could be the check valve in the pump.
 
if its only running 15 seconds at a time,the tank is waterlogged.you need to add air to the tank
 
Might also have a leak in the line in the well- listen for water squirting against the well casing.
 
He has a leak. other wise the pump would not come on even if the tank was water logged, plus 15 seconds is bout how long it takes a GOOD sub. pumps to get the prees back up, if it was a waterlogged tank the pump would only run bout 3 seconds. Don't add air to the tank less you KNOW they need air, and only way to know is to trun off pump, drain water from tank, check air press. in the tank with tire gauge. should be 2 psi. less than press. switch (cut in psi.) when the pump comes on.
 
Look at the pressure gauge after the pump runs. Turn off the pump and watch the pressure, if it falls you have a leak somewhere. If it holds, you probably have a waterlogged tank.
 
If the pump is cycling when you are not using any water then you have a leak, the tank may be waterlogged but you either have a bad check valve or an external leak.
 
If your pressure tank has one of those diaphram valves mounted to the outside of the tank,with a check ball on the botton of the valve, remove the plastic ball, rub it clean and reinstall it.Let it do the work that is was designed for you. No need to get out the portable air tank. Plumbers love to sell those things.lol.
 
Yeppers, ya lost the check valve on the top of your submersible pump. You can either pull the pump out of the well can replace the internal valve, or you can put a check valve above the well, at the tank.

I lost check valve on my 5hp submersible pump 20 years ago. I elected to put check valve above ground rather than pull my pump, as my pump is 180 feet down on the end of 2 in galvanized pipe.I just didn't feel like handling 180 feet of 2 inch pipe.

Keith & Shawn(Gold Medal Winner)
 
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