Like the evaporator fins, the squirrel cage blades collect dirt, leaves, & trash. Cleaning them will keep the motor balanced, reduce noise, and remove odors & allergens. Since I have all the ducts out, I'm washing everything inside & out before installation.
See also:
![](https://www.supermotors.net/getfile/932348/thumbnail/fusemelt.jpg)
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![](https://www.supermotors.net/getfile/931423/thumbnail/evapdirt.jpg)
.
![](https://www.supermotors.net/getfile/1068855/thumbnail/finstr.jpg)
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![](https://www.supermotors.net/getfile/71652/thumbnail/leaves.jpg)
.
![](https://www.supermotors.net/getfile/901904/thumbnail/cowldrainpacked.jpg)
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![](https://www.supermotors.net/getfile/947911/thumbnail/22screen.jpg)
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![](https://www.supermotors.net/getfile/955476/thumbnail/22screeq.jpg)
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![](https://www.supermotors.net/getfile/958829/thumbnail/22wipervalseal.jpg)
.