-Ensure your DrumBo is is not alight.
-Remove the grill grates, fire basket and lower heat shield.
-Be careful lifting the lower heat shield past the thermometer probe to avoid damage.
-Using the scraper tool or a small shovel remove the ash and crud build up from the bottom. (You can also use a vacuum)
-If you want to wash out your DrumBo spray it down liberally with oven cleaner.
-Do not spray oven cleaner on the outside finish.
-using a pressure washer or a hose rinse out the residue. A good place to do this is a car wash, the back alley or your friends back yard.
-Allow to dry and reinstall all components.
-Re-season your DrumBo and get cooking.