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The Vick's FilterFree Cool Mist Humidifier is a great way to moisten the air.  But if you have one you have probably found them a little wanting.

After a few weeks of use ours was making a strange wobbling type sound.  Upon closer inspection I noticed the Aerator Spindle was covered in a mossy moldy greenish black slimy gunk.  I also found it had dirt and gunky growth all inside the aerator housing as well.

Because there was no air intake filter to keep dust, mold spores, germs and other particles from getting into the unit, moldy mossy growth was taking place.

If you have had this problem don't throw it away.  I will show you how to clean and add a filter to your Vick's Filter Free Cool Mist Humidifier.

For this Instructable you will need
Philips screw driver.
Hot soapy water
An old toothbrush
One clean girls Dress Sock  (save the other for an extra filter replacement).

Step 1: Taking Your Vick's Cool Mist Unit Apart

 unplug your Vick's Filter Free Cool Mist Humidifier.

 take off Reservoir, empty and clean then set aside.

 remover Aerator and Motor housing unit and turn over and unscrew the three screw tabs and remove bottom cover.

Step 2: Removing Aerator Spindle and Aeration Plate

 take hold of the Aerator spindle and turn to the unlocked position and lift to to remove.

 put your fingers under the flaps of the rotating aerator plate and lift sternly to remove from motor spindle.

Step 3: Removing and Cleaning Motor Housing

Remove the four motor housing screws and lift out the motor housing.

Completely wash all plastic Housing parts in warm soapy water. 

Next find your mother-in-laws toothbrush or any old toothbrush to clean the tight, hard to scrub places. 

The aerator spindle will have stuff in it you may need to run hot water through it and use Q-tips to get all the slimy gunk out of the inside of the aerator spindle.

Step 4: Removing Air Intake Grill and Adding Filter

 find the two screws besides the motor that hold the top section near the Air intake grill and unscrew them.

 slightly lift the top above the air intake Grill and pull the Air intake grill out of its position.

Wash air intake grill with warm soapy water and dry.

cut and remove the upper area of the sock leaving only the foot area so you have a filter bag.

slip filter bag over the air intake grill and pull tight and fold excess flap into the inside of the air intake grill.

Step 5: Replacing Filtered Air Intake and Reassembling

 Place Air Intake grill back into place and push top down into place.

 tighten top plate screws.

 re assemble in reverse order replacing the motor Housing, Aerator plate and Aerator spindle and bottom plate remembering to replace and tighten all screws.

 replace aerator motor unit back on Humidifier base.  Refill reservoir and put on Humidifier base.

Step 6: Enjoying Your Vick's Filtered Cool Mist Humidifier

Place your Vick's Filtered Cool Mist Humidifier in a good location, turn on and enjoy cool clean misty air. 

Enjoy!!!
This is a great idea! I just ordered one of these as a replacement for one I had, the engine was knocked onto the tile floor by a child, and was so impressed with. <br><br>I will add the stocking right away, as well as continue to add a drop or two of concentrated bleach to each filling of the reservoir. <br><br>Thanks for sharing!
I was suggesting to take the long red straw that comes with your WD40 spray lubricant and spray the metal axle the Aerator sits on and let it trickle down into the aerator attached to it. Just leave it sit upside down after you spray some up in there.<br><br>The Idea to remove this is to clean the unit. if you can get it off the unit will not be fully cleaned before making the filter for it. If you dont have to remove it just proceed to putting the filter in the intake area.
<p>But then I just realized that you have to take that off to get to the filter area.</p>
<p>This looked like a good idea, but there is NO WAY I can remove the rotating aerator plate &quot;sternly&quot; (whatever that means) without breaking it altogether. As I was trying to lift it, it began to bend and crack. (See lower mid-right of photo for slight bend and crack in plate). I have tiny fingers and got them all the way underneath, but there is only room for the fingers of one hand, which would cause the plate to bend as you pull up. Perhaps a video showing exactly how he did it would be helpful. </p>
<p>Is yours well used it could be the motor heated the aerator and it is sticking to the spindle. I had a little bit of effort lift a little from one side then the other, rotate around the plate but don't pull to hard or it will crack. if you can get some WD40 on the motor spindle and let it drip down (by turning it upside down) into the aerator plate and see if that helps loosen it up.</p><p>That is one of the most difficult parts to remove I will have to admit.</p>
<p>Thanks for your response.<br><br>It is well-used. It would not lift at all, hence the bent plastic and crack, so lifting one one side then the other would likely not work. I felt the motor rocking slightly from side to side as I tried to lift. <br><br>With regard to putting WD40 on the motor spindle, do you mean that I would have to unscrew the housing to get at it? Or is there another way I would be able to get the lube on the spindle?</p>
<p>Sorry, not lower mid-right, just to the right of center. It's pretty visible in any case. :(</p>
I am not sure mine came off faitly easy Once I unlocked it. I will pull mine out and take a look.

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