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Thread: Noisy RIO 2100

  1. #1
    Senior Member
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    Apr 2003
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    606

    Noisy RIO 2100

    Anyone have hints to make my RIO2100 quieter?
    I've had it for about 1.5 years now running my skimmer and if I unplug it, it doesn't turn on again unless I give it a good smack. But it still makes a grinding noise.
    I have taken it apart and cleaned it but still no go.
    Do I need a new impeller or is the RIO just dead?
    ________
    Tanks: 400 gal Reef, 180 gal FOWLR, 300 gal Sump, 40 gal Frag Tray plumbed as one system - 900 gal total water volume.
    DIY Calcium Reactor, Nielson Reactor and Skimmer

  2. #2
    Member
    Join Date
    Feb 2003
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    68

    Re: Noisy RIO 2100

     One thing I've noticed about the RIO's is that the little rubber bushings on the impeller shaft are really sticky. When you replace the bottom housing they often don't seat properly in thier housing. This causes pressure and misalignment on the impeller . If you lube the bushings with vaseline they tend to seat properly and hopefully let the RIO restart after being shut down.

                                 
    True Perc

  3. #3
    Senior Member
    Join Date
    Apr 2003
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    606

    Re: Noisy RIO 2100

    Thanks I will try that!
    ________
    Tanks: 400 gal Reef, 180 gal FOWLR, 300 gal Sump, 40 gal Frag Tray plumbed as one system - 900 gal total water volume.
    DIY Calcium Reactor, Nielson Reactor and Skimmer

  4. #4
    Senior Member Fishysan's Avatar
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    Apr 2003
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    368

    Re: Noisy RIO 2100

    you have removed the calcium build up and such hey? Hmm..

    Perc has a good point, make sure the impeller spins freely on the shaft.

    Otherwise, never used a RIO.
    Fishysan ><>
    ---
    180g display main floor, 150g trough, 75g, 20g in basement
    SPS, LPS, softies, many clams & 14 fish
    main: 250w AB DE HQI x 3, 5' x 3 VHO actinic - trough: 400w venki

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