Often unplug the dryer very first for safety. Then, gently detach the duct and brush from both of those the appliance facet and the exterior hood. Reconnect securely, and after that test for solid airflow at the outside vent though managing the dryer on an air-only or reduced warmth setting. https://www.google.com/maps/d/edit?mid=1kSHn-w8NODJeeh8lJcfkMy9Q9c4P-bs&usp=sharing