With a little more detail on how to clean the 84001. There are 2 screws at the top of the unit on the back side and 1 on the bottom with a small removable cover. Remove those screws and the cover can be removed.
There will be some resistance towards the middle because of 2 clips on both sides. Be carefull not to pull too hard on the ends ; possibility of breaking the cover. Try pressing on center of the cover on one side of the edge.
There are 2 screws holding a bracket that holds the top of the fan. Remove those screws. Then on the bottom there is a shaft that attaches to the motor. You will find a set screw that you need to loosen. When you loosen and remove squirrel cage you will notice a flat spot on shaft. That is where the set screw is to be put when assembling the fan back together.
After cleaning just follow the steps back to assemble your 84001 and enjoy a clean brisk breeze. I hope this helps explain in more detail on how to clean it.
First obtain a small ziplock bag. Remove outside case screws and place them in the bag. You are goibg to remove the fan which is like a squirrel cage fan. The motor should be on the bottom. remove top and bottom fan screws and remove the fan. If you have a hose, you can hose out the fan, Note- any thing that is stuck to fan will cause it to vibrate. Use dish soap and pressure on fan, Next vacuum out all dirt and dust near or on motor. use a thin penetrating oil to oil motor bushings- top and bottom if you can gert to them. then, rerassemble fan into cage. The fan together should run better than new.
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Usually there would be a few screws in the base that need to be taken out and the outer case pulls out. This will expose the fan and filters inside. Hopefully that will allow you to clean the inside. Would not spray any cleaning agents. Just a light vacuum and wipe with clean moist cloth.
Hi, if you look inside the grill from the back side, you will see there are small snaps inside near the edge of the cover. The snaps go around the entire cover and are about 3-4" apart.
I used a flat tip screwdriver to get push the tab up from the back and the inside of the grill. When you push up the tab a bit, then slide a small flat tip screwdriver on the outside lip of the front grill. You will have to do this all the way around until the cover snaps off. Putting it back on is a breeze because it just snaps together.
***AS ALWAYS SAFETY FIRST !! NEVER WORK ON ANY APPLIANCE When it is plugged in !! ***
Hope this helps.... =) good luck
#1 CLEAN WORK SPACE
#2 PLACE FAN ON ITS CONTROL SIDE DOWN
#3 REMOVE PHILLIPS HEAD SCREW FROM HANDLE
#4 REMOVE NON-SKID COVERS
#5 REMOVE OTHER 2 PHILLIPS HEAD SCREWS
#6 REMOVE BLACK SIDE & CLEAN
#7 REMOVE YELLOW FAN COVER & CLEAN
#8 7/16 SPIN-TYPE DRIVER REMOVES FAN NUT
#9 CARE....WASHER ON OTHER SIDE OF FAN
#10 PUT FAN IN SOAP& WATER ....TAKE YOUR TIME
The fan guard will split into two pieces... At the center or the large diameter of the guard there are small tabs on the inside that hold the two pieces together. To reach them and release them you will need a small long screw driver or other pointy object. Carefully one by one release the tabs to split the front part of the guard off.
Unplug the unit from the wall for safety.
Remove the two screws in the upper hand grip recess (upper back of the unit). The two screws must be completely removed (not just loose and setting in the holes).
Once the two screws are out, the back half of the fan cover can be slid downward (some amount of force is needed to unsnap the two halves from each other but be careful since the parts are all plastic and can possibly snap).
Once the back is unsnapped from the front, you can lift the back half away from the front half and the inside parts are now accessible.
I have found on my fan that it is the top fan shaft / bushing that is causing the squeaking noise that so many have complained about. I have found that periodically lubricating the top shaft/bushing will make the fan sound like new again - for a while. Every 2 - 3 weeks I need to clean (wipe off old lube) and re-apply fresh lube).