shallow well jet pump mystery

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by peterng, Oct 20, 2009.

  1. peterng

    peterng New Member

    Oct 20, 2009
    Woodlands, NB
    Good day, bought all I got done tonight was had a beer. That went well.

    I don`t know much, but here`s what I can see.

    Pump pressure guage reads 40psi. I took the primer cap off, full of water, no pressure. No water coming out of pump and pump not running. Lots of power. I cleaned the contacts. Going down now to see if the tubing to the pressure switch is plugged. Last year I adjusted the pressure switch to shut off around 40psi, though it was set a little higher but can`t remember.

    Thing is, there`s no pressure, pressure guages known to go bad are theyÉ
    Can I test to see if the impeller is spinning freely without dissasembling the pumpÉ

    Diamond 1 1é2hp pump model 313501. It was in the house when we bought it. Age unknown, at least 5 years old.
  2. hj

    hj Moderator & Master Plumber Staff Member

    Aug 31, 2004
    Cave Creek, Arizona

    IF the pressure gauge reads 40 psi and there is no water, that might be the first indication that something is not working right. Remove the pressure gauge. IF it stays at 40 it is defective, if it drops to zero, then the pipe to it, and probably the switch, is clogged.
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  4. Gary Slusser

    Gary Slusser That's all folks!

    Aug 31, 2004
    Wherever I park the motorhome.
    If you get the pump to run, things might improve.

    There may be a blockage in the line and its fittings to the pressure switch.
  5. Thatguy

    Thatguy Homeowner

    Aug 27, 2008
    A bounty hunter like in "Raising Arizona"
    How deep is your well?
  6. nhmaster

    nhmaster Master Plumber

    Jul 30, 2008
    Tech. Instructor
    S. Maine
    bypass the pressure switch and see if the pump runs
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