Originally Posted by PeterH-79MH
Take a real close look at the fans (2), which are attached to the motor. You probably will find that the squeak is coming from the fans touching the housing.
If I remember correctly, there are hold down screws to adjust the fans on the motorshaft. You should be able to move them enough to get rid of the squeak.
The motor squeaked without the fans. I did not find any set screws or allen screws which held the fans on, they appeared to be held on by friction only.