Most come pre filled. Post the model number and name and will check in my book, just in case.
Are you replaceing the dryer also and flushing the system to remove any loose stuff.
This is not yours but a correct way to check and adjust.
oil150 ml oil Pag 100
As others stated it should turn free by hand once the plug is removed. If not returned and get a name brand one. You stated it froze up, did it stop turning or something came apart. That flush is very important. Replace parts that have screens in them they are not replaceable.
