[header] How to clean a grease trap [title] Detach the lid from the grease trap gently with a pry bar. [step] Be sure to go slowly through this process, as there are gaskets for the grease trap located just under the cover. If you damage these, you will have to spend money to replace them. 
[title] Inspect the grease trap's parts once the lid is removed. [step] You will be removing and replacing parts during cleaning, and you need to know where the components are located and how to install them to put them back in properly.