Question about Ecoquest Fresh Air Air Purifier

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Fan Noise We took the machine apart and did the monthly cleaning, but when we turned the machine back on it made a horrible and constant noise.....I'm assuming it is from the fan as none of the other parts are cracked or need to be replaced.

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  • GilMichelini Jan 31, 2008

    My unit is at least 2 years old and doing the same thing. Sprayed at little WD40 down the shaft and that seemed to help.

  • smiley778 Feb 21, 2008

    I have the same problem. I sprayed the fan with wd40 and it didn't help. My unit is about 5 years old.

  • Anonymous Oct 23, 2008

    Same problem, but my fan motor housing is rusty.



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Your fan motor probably needs additional maintenance, in the way of lubrication.

After removing the unit from power, access the Fan blade and spin with finger. If there is any resistance to note then the spindle running through 2 bearing surfaces needs lubrication.

See the other question/answer to fan removal - motor lube.

If you have any sort of humidity to contend with and have a FreshAir model F1 or earlier different type, they seem to have some corrosion problems after a period of a couple years.

It is just a function of the machine/job that necessitates such maintenance.

Posted on Feb 05, 2008


Make sure you lay the machine down on its back when you lub it. The oil will lub behind the fan. WD 40 works.

Posted on Jun 10, 2008


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