Lifetech 4660 pumps really noisy

Discussion in 'General Discussions and Advice' started by Blue Ring Sting, 23 Mar 2013.

  1. Blue Ring Sting

    Blue Ring Sting

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    Hi guys

    I turned one of my systems on yesterday after some time and when I did the the lifetech 4660 return pump was making a really loud noise.

    I firstly thought that it was vibrating and rattling against the glass but then i lifted it up and held it away from the sides making no contact with any glass and it continued to make the noise. So it looks like it is coming from the inside of the pump.

    Does anyone know what it could possibly be?
     
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  3. mariusmeyer

    mariusmeyer

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    Check the impeller. Is it a new pump or second hand? I have one and it is extremely quiet. Been running it now for 3 years.
     
  4. Blue Ring Sting

    Blue Ring Sting Thread Starter

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    What could the impeller be doing? Its sort of a vibrating sound. I take the impeller out everytime I clean the pump.
     
  5. mariusmeyer

    mariusmeyer

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    If one of the blades are broken it will throw the balance out and cause a vibration.
     
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