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Country Discussion Topics
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Water pump - I'm in trouble
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Kraig WY    Posted 12-09-2003 at 16:30:24       [Reply]  [No Email]
Got a shollow well pump in my cistrum for water. The pump shuts on and off while the water runs. I aired up the pressure tank but it don't help. When the pump gets hot it stops. Water wont come back on until the pump cools off. Now the problem. Wife has long hair and and takes long showere, she can't complete the shower without the pump shutting off. I have to find a way to fix it or face a skilleting. HELP

Willy-N    Posted 12-09-2003 at 20:01:43       [Reply]  [No Email]
Need more information. Is it getting up to normal pressure while running? Is it just running and not realy getting enought presure and shutting off due to over heating. If your pump can only put out say 45-50 psi and the presure switch is going bad and is tring to get it to say 60-70 the pump will just spin and not move water and get hot causing it to over heat and cut out. If it is cycling fast it also will over heat and the theromo cut out will shut off the motor for a while. If you can hold your hand on the motor it is not hot but if you have to pull it off right away it is. If you have a presure gauge see what it is getting up to and let us know. Mark H.

Kraig WY Its normal    Posted 12-09-2003 at 21:30:51       [Reply]  [No Email]
presure while its running, the motor gets hot because of it kicking on and off. Its like someone is flicking the switch off and on real fast.

toolman    Posted 12-10-2003 at 08:14:02       [Reply]  [No Email]
sounds like the points, in your pressure switch ,once they start , they will do this , change out the whole switch, not that expensive , or try resetting your cut in and out pressure , but usually once the points are burned they will do it again.

Willy-N    Posted 12-09-2003 at 21:59:31       [Reply]  [No Email]
Boy, does it kick off and on fast if a full flow of water is turned on? Most pumps would not cycle like that if the water was open all the way and the tank was water logged. I would supect the presure switch has went bad on you. It may have come apart inside the spring section so just a little presure shock in the pipe it cycles off and the serge causes it to cycle on again. They do wear out. Take the top off it and take a look and see if the springs (2) are solid and the hinge part is still conected. A diafram pushes the springs up to turn the electricity off and on.
Pressure Switches
Standard pressure switches are factory pre-set, usually to a 30PSI - 50PSI setting.

Standard pressure switches respond at two pressure settings :

The "cut in" or motor on setting (ie. 30PSI)
The "cut out" or motor off setting (ie. 50PSI)
These are adjustable settings. The larger spring moves both the "cut in" and "cut out" together, leaving the same differential between them (ie. 30-50PSI to 31-51PSI, and so on). The smaller spring moves the "cut out" only, thus increasing or decreasing the differential. If the original setting has been entirely lost, the sequence of adjustment must be:

the large spring first to set the "cut in" on a falling pressure
then, the small spring to set the "cut out"
Note: in both cases, turn nut clockwise to raise pressure, counterclockwise to lower p
Also the presure in the blader style tank should be set at 2 PSI below the cut in presure on the pump. So if the pump turns on at 30 psi set the tank presure at 28 psi. To do that you must turn pump off first and drain the presure in the system down then charge the tank to 28 psi then turn the pump back on and see if that solved the problem. Mark H.

Rene    Posted 12-09-2003 at 19:15:47       [Reply]  [Send Email]
Kraig....I can't offer any suggestions or help but your message gave me a laugh...."face a skilleting" *LOL*

bill b va    Posted 12-09-2003 at 17:03:52       [Reply]  [No Email]

i suspect your pressure tank is full of water (water logged )and needs to be drained .there needs to be air space in the tank for expansion to prevent short cycling . other than that you could cut your wifes hair short and be burned at the stake .

Lazy Al    Posted 12-09-2003 at 16:54:27       [Reply]  [No Email]
Is the pump in the cistern or a pump out side piped into the cistern ?
If it's out side , it might have an auto thermo cut out on it That is tripping out . If there's a way to oil it , that might help . If it's a submersible better take it to a shop . Unless someone else has a good idea .

Kraig WY    Posted 12-09-2003 at 16:58:31       [Reply]  [No Email]
The Cistrum is a buried tank, the pump is outside the tank in a well house (level with the bottom of the tank. If this helps. I will check to see if there is some place to oil it.

Al    Posted 12-09-2003 at 18:45:35       [Reply]  [No Email]
The only other thing I can think of right now is you might have a sticky pressure switch .

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