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OT: Elect Motor Failures

Discussion in 'Uncategorized Threads' started by TC, Sep 22, 2008.

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  1. TC

    TC TS Member

    Joined:
    Jan 29, 1998
    Messages:
    931
    Looking for some insight regarding electric fan motors. In the past 4 weeks 3 electric fans have died. They are all 5 to 10 years old. They won't start on their own but will run if you manually give the blades a spin to get them going. What causes this? Is it a lubrication issue or something else? Tony
     
  2. fiftystr8

    fiftystr8 TS Member

    Joined:
    Jun 24, 2007
    Messages:
    26
    Most likely it is a lubrication problem. You didn't say how big a motor, but smaller motors with sleeve bearings it isn't worth changing the motor. Larger motors with rolling elements are worth rebuilding.
     
  3. wireguy

    wireguy TS Member

    Joined:
    Jan 29, 1998
    Messages:
    3,715
    Ceiling fan? The capacitor has died.
     
  4. D'ohboy

    D'ohboy Member

    Joined:
    Jan 29, 1998
    Messages:
    41
    Check your voltage. If they are 120v fans, are you getting 110v+ ? If they are 3 phase,make sure you didn't loose a phase. Dan
     
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