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Rainbow D3C Low suction

We have owned our rainbow D3C for several years, haven't used it much lately due to a whole house system in our house. The suction doesn't seem to be like it should, the separator is clean, is there something else to be checked?

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With years of use, you will collect a layer of "micro dust" on the impeller (the fan part) which reduces the efficiency. A toothbrush and some mild cleaner with gently scrubbing will restore it's power.
Hope this is the answer that you need!

Posted on Nov 15, 2009

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You might check the carbon brushes on the motor, it could be that the motor is not running fast enough, which would mean replacing the motor. With the hose off, do you have good suction where the motor goes into the vac? If it is good there, then either the powerhead isn't working or the hose is clogged.

Posted on Jan 29, 2008

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