Hi all i am need advice as i am at a loss i have a castle class Hogwarts and it didn’t run, i have cleaned the wheels and ser iced the unusual ringfield motor i believe its the Chinese one, reassembled the motor and i got it to run, I had the chassis ready to convert it to dcc before i went to start the conversion i tested it again and low and behold it would not run and checking the motor again i was getting percular readings across the brushes, i have scoured the internet for brushes,springs and even the aramature with no success can any one out there help me as i do not know which way to go now or is there any modifications i can do with the brushes by using the standard hornby ringfield brushes and springs?