The fit should not be a press fit but a slip fit.
Toro electric clutch problem.
Also check mower deck will not lower hope this helps good luck.
I attached some images from the manual.
This video describes how to adjust an electric clutch on a lawn mower.
Video shows how to take the old clutch off and install a new clutch.
The electric clutch on a new mower should remove from the shaft without any problems.
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If the wiring does not reveal any problem and a clutch adjustment does not resolve it it may be time to replace the clutch.
Chris first try to adjust the clutch.
If the manufacturer has installed a clutch properly there should be no machining burrs or defects that would prevent a clutch from sliding on and off by the weight of the clutch.