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Thread: Replaced an old ST-1102

  1. Back To Top    #1

    Join Date
    Feb 2016
    Palm Bay, FL

    Replaced an old ST-1102

    Hi, new member here.

    My pool pump went sparky and died. So I did research ordered a new pump and seals. All seemed straight forward until I reached replacing the shaft seal. Everything I read said hand tighten the impeller. So I hand tighten the impeller with the new seal in place and the shaft became really hard to turn afterwards. Thinking that the turn direction will tighten the impeller correctly in time, I backed the impeller off some to free up the pump shaft. After putting everything in place I have a pump leak. Where did I go wrong?

    Parts I ordered.

    Seals Hayward Super Pump Complete Pump O-Ring Rebuild Kit, fits all Models: Patio, Lawn Garden

    Pump : Century Electric UST1102 1-Horsepower Up-Rated Round Flange Replacement Motor (Formerly A.O. Smith) : Swimming Pool Pump Parts : Patio, Lawn Garden


  2. Back To Top    #2
    mas985's Avatar
    Join Date
    May 2007
    Pleasanton, CA

    Re: Replaced an old ST-1102

    Quote Originally Posted by MrBG View Post
    So I did research ordered a new pump and seals.
    Did you mean you bought a new motor and seal?

    Also, are you sure you put the seal in the correct direction and fully seated it?
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
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