Question about Little Giant 2-MDQX-SC Inline Pump

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I am getting a lot of vibration from my pump

The vibration noises are not consistant but occur frequent enough that I find very annoying. The pump would vibrate for 1 minute, stop for like 10 seconds and the continue to vibrate again. The vibration is loud enough that I can hear it from the second floor of my house. The aquarium is on thje first floor.

I've oiled the pump but the loud vibration still cycles through. The motor also feels hot to the touch which I am not sure if it is normal or not.

Please advise.

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There is a bad bearing inside that has worn out and causes vibration and excess heat, when it frees up it will spin quiet for a little then bind and vibrate again. need to replace bearing.

Posted on Jul 17, 2009

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