Constantly unplug the dryer 1st for security. Then, Carefully detach the duct and brush from both equally the appliance side and the exterior hood. Reconnect securely, and after that test for strong airflow at the skin vent whilst running the dryer on an air-only or very low heat location. Picture: https://www.google.com/maps/d/edit?mid=1xjP-SIbuMb6_2u8qqrU5evQy3li53g8&usp=sharing