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Do you have a meter to check voltage.Often low supply voltage will cause high amp draw.
OK voltage is good.
Did you replae capacitor along with motor and verify they gave you right micofards
Coil clean and good airflow?
Silly question, but direction of rotation correct?
Bad ground should not.I almost would say another bad motor,possible out of same run of motors if it came from same place.
usually rotation, low or high voltage, a restriction in air flow weak or wrong cap or wrong motor are things that would make it overheat
Yes, this is a rare one.My first inclination is to say replace the motor but you have already done this I am going to open to other experts to see if they have ideas without repeating what we have verified.They will be able to see what we have covered.If no one can help, we can request a refund.
Doesn't appear other experts have any ideas besides what we have covered.Would you like me to request a refund?
Are you sure the motor is a 120 volt motor and not wired for 240?
One thing I did not ask, did you verify the uf on the capacitor with a meter? The cap even if new could also be weak.