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  1. #21
    Veteran Member
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    SE Wa

    Default Re: Well again! What else can it be? FRUSTRATED!

    Quote Originally Posted by Filedreport View Post
    What is your pump turn on pressure set at? Your tank pressure should be set lower than the turn on.
    Yep. too much pressure and the pump will never turn on. Set it 2psi below the cut-in pressure. It is set with the tank empty of water...or at least as empty as you can get it.

    Harry K

  2. #22
    Gold Member
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    Nov 2006
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    250
    Location
    Clover SC
    Tractor
    Kubota L2800 4WD FEL

    Default Re: Well again! What else can it be? FRUSTRATED!

    Thanks Harry. This is a leason I have learned the hardway. After reading up I should have set the tank pressure as soon as I installed it and not after allowing the water to flow.

    For checking the pump to tank pressure I shut off the house and bleed the pressure in the house. Then I use the "Tall" adjustment spring to set the pressure in the line which would be the cut on point of the pump. Mine is currently at 50psi. Is that to much? If not then that means I would want the tank set at 48 psi.

    Is this all correct?

    Thanks
    Wade

  3. #23
    Veteran Member sam5570's Avatar
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    Jan 2012
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    south west virginia
    Tractor
    new holland tn70

    Default Re: Well again! What else can it be? FRUSTRATED!

    Wade you can set your switch to cut on and of at any preasure between 30 and 60 lbs. if you want to maintain good preasure all the time i would set the switch to cut on at 45 and cut off at 60. Wade is it possible to take a couple pics of your tank and switch so we can see for sure what system you have and how it's placed.

  4. #24
    Silver Member
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    Mar 2010
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    196

    Default Re: Well again! What else can it be? FRUSTRATED!

    A couple possibilities:

    1) Too much pressure in the tank didn't allow it to fill and the pump short cycled, kicking a thermal fuse or overheated the contacts on the pressure switch.
    2) Is the switch on the tank? Too much pressure could keep it from kicking back on after meeting initial pressure demand.

  5. #25
    Platinum Member
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    Jul 2008
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    552
    Location
    Volney, NY
    Tractor
    mahindra 2615

    Default Re: Well again! What else can it be? FRUSTRATED!

    Quote Originally Posted by dirtyoldman View Post
    A couple possibilities:

    1) Too much pressure in the tank didn't allow it to fill and the pump short cycled, kicking a thermal fuse or overheated the contacts on the pressure switch.
    2) Is the switch on the tank? Too much pressure could keep it from kicking back on after meeting initial pressure demand.
    Yup, If you have 20' of head already, you could be near the limit of your pump's capacity. The pump cannot push that much pressure, and will dead head until it overheats. Crank it down to 25 and 40, and see if it will cycle. If yes, bump up the cut off (high) pressure a bit and see how it acts. We had a 24' well, and the pump worked pretty hard to pull it. You can push a ton of water, but pull very little.
    '

  6. #26
    Gold Member
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    Nov 2006
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    250
    Location
    Clover SC
    Tractor
    Kubota L2800 4WD FEL

    Default Re: Well again! What else can it be? FRUSTRATED!

    Here is my setup and and how the pressures are set now.
    SWITCH SIDE VIEW:


    TANK PRESSURE:


    SWITCH TOP VIEW:



    LINE PRESSURE FROM PUMP TO REG:

  7. #27
    Silver Member
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    Mar 2010
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    196

    Default Re: Well again! What else can it be? FRUSTRATED!

    Do the following things:

    1) Lower the pressure in the tank to 20 PSI.
    2) Turn the pump on. When it kicks off record the pressure (probably 50 or 60 PSI)
    3) Open a faucet and watch the gauge. Record the pressure when the pump kicks on again (probably 30 or 40 PSI)
    4) Raise the tank pressure to 3 PSI less than the pressure reading you recorded in step 3.
    5) Post the results.

    You say you have a regulator. What is the pressure reading after the regulator?

  8. #28
    Gold Member uglyboywith11fingers's Avatar
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    Sep 2011
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    416
    Location
    Georgetown, Ontario
    Tractor
    2007 BX24TLB, 1998 TG1860G

    Default Re: Well again! What else can it be? FRUSTRATED!

    guage readings are not necessarily an indication of pressure settings, depending on if the pump is running at the time or not...
    I would start from scratch...
    If you want your pump to cycle between 35psi and 55psi, as an example, I would turn off the pump, open a tap in the house until it stops running water, then using your air compressor, adjust the pressure (pre-charge) in the tank to 32 or 33psi. Start up your pump and adjust the cut-out so the pump stops at 55psi. Open a tap, and adjust the cut-in so the pump starts at 35psi. The cut-in has to be a couple psi higher than the tank pre-charge, or you will run out of water in the house before the pump starts up. Leave a tap running, let the pump cycle a few times, and verify the cut-in and cut-out points are adjusted to where you want them to be.

    Pete

  9. #29
    Veteran Member Mickey_Fx's Avatar
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    Aug 2005
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    Vancouver Wa.
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    Yanmar Fx24D, Cub 3204

    Default Re: Well again! What else can it be? FRUSTRATED!

    Hope we've not gotten our OP blackrat too confused with all the various comments/suggestions.

    Here's my take. (doing this from memory so I could be wrong) First I'd want to know what the current cut-in/cut-out settings are for the pressure switch since you've messed with them.

    * With power to the pressure switch and all faucets closed, using your pressure gauge on the schradder valve at the top of the tank, watch the reading and start bleeding the pressure slowly. Note what the pressure is in the tank when the switch closes. That is the cut-in pressure.

    * Next, leave the pump running and note the pressure in the tank when the switch opens. That's the cut-out pressure.

    With that knowledge you can make any adjustment necessary to set the pressure switch to what you want/need. Should be 2 adj screws on the switch. One sets the cut-out pressure and the other is the differential pressure, i.e. the pressure drop before the switch closes. I'd adj the cut-out pressure first then tackle the pressure differential adj screw. Each of these screws are compressing a spring. Cycle the tank a few time to see if the switch adjmt has been taken care of. It would be good to begin by dropping the pressure in the tank to insure the tank pressure is lower than the cut-in pressure. Note, the pressure differential should remain fairly consistent regardless of cut-out pressure. 20 psi is the norm.

    * Next, with power off, open a faucet and let the tank empty.

    * With the tank empty adj the pressure in the tank, as has been said a couple times, so it is several pounds less than the cut-in pressure.

    * Cycle the tank a few times to insure the pump kicks in when it should.

    You should now have things working right if all is OK other than the various pressure settings.

    Now for a question. I see from the pic the water pressure gage is reading somewhere around 48 psi. Please explain that reading. Is that the initial reading, constant or max. If the If that is the max, you're going to have to adj the pressure switch to no more than that reading. One more question, how big is the new tank? Draw-down capacity and not the size of the tank itself. My tank is ~80 gal with a draw-down of ~25 gal. You want to size the tank so it doesn't cycle too often as that is hard on the pump.

    Both adjmt screws on the pressure switch and the pre-charge pressure in the tank are interlinked and you may have to make some fine adj to get it all balanced out.

    Hope I've not been too confusing. For sure I can do this a lot faster than writing this post.
    Yanmar Fx24D,
    Koyker 155 loader,
    RSB-1300 tiller
    Cub 3204, 48" mower
    Bolen 1257 GT with tiller

  10. #30
    Platinum Member ljohnson778's Avatar
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    Nov 2009
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    Upstate NY
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    New Holland T5070

    Default

    Based on your pics, it looks like you do have a pressure switch with "low water protection" on it. Basically, designed so that if the well runs dry and pressure drops, it will kick off the pump so that it doesn't run dry and destroy itself. Also, on most common pressure switches, there are two springs, whose tension is adjusted by screwing a nut in or out. One controls the kick on pressure, the other controls the differential. That is to say, the pressure spread. So if you adjust the one spring to kick on at 40 psi, then the other would set the kick out pressure. If it was set at a 20 psi difference, it would kick off at 60 psi. Set it at a 10 psi spread, it kicks off at 50. Clear as mud, eh?
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