Goulds J5S squealing

Discussion in 'Pumps and Tanks Well Forum & Blog. Water is life.' started by dougq, Sep 16, 2018.

  1. dougq

    dougq New Member

    Joined:
    Mar 4, 2005
    Location:
    British Columbia
    Hi: I have had this pump on my workbench for a couple of years and wish to make it operational.
    It would squeal after running for a while. I started to take it apart thinking the bearings needed replacing.
    I noted the impeller has been rubbing on the guide vane, which is distorted. Is it possible that is the squealing?
    I could run it on the bench, but I am not sure that would produce accurate results.
    When I spin the motor shaft by hand I can not tell if the bearings are shot, I am used to hearing a rumble from
    automotive bearings if they are bad.
    Any thoughts?
    Thanks
    DougQ
     
  2. valveman

    valveman Cary Austin Staff Member

    Joined:
    Mar 15, 2006
    Occupation:
    Pump Controls Technician
    Location:
    Lubbock, Texas
    A bad bearing is what lets the impeller drag the hub. Remove the impeller and run the motor to see if the bearings make any noise. But bearings are nearly always the problem as they are not grease-able and only have so many hours of life.
     
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  4. dougq

    dougq New Member

    Joined:
    Mar 4, 2005
    Location:
    British Columbia
    Thanks valveman, I will get it running and hopefully it will be obvious.
    dougQ
     
  5. dougq

    dougq New Member

    Joined:
    Mar 4, 2005
    Location:
    British Columbia
    valveman, you were quite right, I could hear a bit of a scraping sound when I ran the motor. I took it apart and sure enough the pump side bearing is shot, I will of course replace both. I have a local supplier for the bearings, but I am not sure the best site online to order the pump seals, any recommendations? The impeller looks ok to me, can I re-use it?
    Thanks
    DougQ
     
  6. valveman

    valveman Cary Austin Staff Member

    Joined:
    Mar 15, 2006
    Occupation:
    Pump Controls Technician
    Location:
    Lubbock, Texas
    What brand and model number pump? I usually get seals from the same local supplier as the bearings? Yes the impeller will probably still be good. See if there is any damage to the eye or hub of the impeller. If not, it will still work.
     
  7. dougq

    dougq New Member

    Joined:
    Mar 4, 2005
    Location:
    British Columbia
    Is not the Goulds & J5S all the brand and model?
     
  8. valveman

    valveman Cary Austin Staff Member

    Joined:
    Mar 15, 2006
    Occupation:
    Pump Controls Technician
    Location:
    Lubbock, Texas
  9. dougq

    dougq New Member

    Joined:
    Mar 4, 2005
    Location:
    British Columbia
  10. valveman

    valveman Cary Austin Staff Member

    Joined:
    Mar 15, 2006
    Occupation:
    Pump Controls Technician
    Location:
    Lubbock, Texas
    Don't touch the face of the seal halves.
     
  11. dougq

    dougq New Member

    Joined:
    Mar 4, 2005
    Location:
    British Columbia
    Valveman: I appreciate all your help, I suspect it will be a few weeks before I get all the parts together.
    DougQ
     
    valveman likes this.
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