The only parts that could squeal are the fan and the pump. It may be a bearing on the fan or the motor.
SOURCE: air coming out of an adobeair portable evap cooler isnt cold
paula298,
A new unit will take a while for the pad to become wet and more efficient. Remember, there may be two switches: fan and water pump. The unit must be full of water and the pump ON to work correctly.
If the unit has a water pump only setting, run the pump without the fan for about 20 minutes. That will get the pads nice and wet and you should get a good result. A rule of thumb in the desert is 20 to 25 degrees of cooling compared to the ambient air.
Don't use a cooler in closed area. The cooler will simply act like a room humidifier. Use in an open garage or porch for the best result.
I hope that helps.
Ed Phillips [email protected]
SOURCE: Where can i find a
http://www.stifflerssurplus.com/p-5162-adobe-mastercool-p500a-qldf60-evap-cooler-replace-motor-new.aspx
This is something i found online.
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