How do you clean a commercial dishwasher?
How to Clean a Commercial Dishwasher Remove Food Residue. Always scrape, spray rinse and remove as much waste as possible from dishes before putting them into the dishwasher. Use the Correct Detergent. Wash Inside. Drain the Dishwasher. Clean Spray Nozzles. Empty the Filter. Clean Wash/Rinse Arms and Jets. Top Off Detergent.