Using your HO scale brass model train is easy. First, make sure you have a proper analog DC power source. Connect the train to the tracks and turn on the power. You can control the speed of the train through the power controller. When it comes to maintenance, regularly check the wheels for any signs of excessive wear. You can use a soft, dry cloth to clean the body of the train to keep it looking good. Avoid using harsh chemicals as they might damage the brass or the plating on the wheels. Since it doesn't have lighting or couplers, you don't need to worry about maintaining those parts. When storing the train, keep it in its original box to protect it from dust and damage. Remember, this is a delicate item, so handle it with care. If you have any issues during operation, such as unusual noise or a sudden stop, turn off the power immediately and check for any visible problems.