Verify that the power is off to the stove and remove the gas supply valve by unscrewing it on one side (it should be a brass fitting with two screws). Be very careful while doing this as there is a high potential of getting severely burned if something gets caught on the valve.
2. Turn off the electrical outlet to the stove.
3. Remove the burner cap, being sure to hold onto both screws that secure it in place - you'll need them later.
4. Now you can start separating the burner from the base by gently pushing upwards on one end and pulling it away from the other. Tip: If it's been awhile since the burner was used, or if there's oil or grease all over it, it may be helpful to use a putty knife to pry up any stubborn pieces of debris before trying to separate them. You'll also want to note where each screw goes before you replace them - you'll need them