Most of the blower fans I have seen are pretty much the same. I call them squirrel cages. I have removed many on earlier models up to 1989.
I would suspect the design to be much the same on your model.
Take two stacks of books. Put them side by side with enough space between the stacks so the motor of the blower is suspended between them.
The stacks have to be high enough so the base of the blower motor is suspended above the surface of the table you are working on.
Make sure the stacks are close enough together to support the squirrel cage.

Now place a punch on the tip of the shaft and strike it sharply. Perhaps two or three strikes to free the cage from the shaft of the motor. Focus on your striking procedure so as not to damage the cage as the motor drops from it.

The cage is then pressed into place on the new motor. Done

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