Cleaning a greasy ceiling fan can be a daunting task, but with a little preparation and some common household supplies, the job can be done quickly and easily. To clean a greasy ceiling fan, start by removing any dust or debris that may have accumulated on the blades or motor. Next, use a vacuum cleaner to remove any excess grease or oil from the blades or motor. Finally, use a cloth or sponge to clean the entire unit. ..