Gerald C New City , NY November 18, 2019 Appliance: Samsung Gas Range NX58H9500WS/AA-00 Samsung Range Nx58h9500ws/Aa-00: Change oven floor. How to replace Range Oven Bottom Floor Coating. Two Phillips head screws were removed from the in the back of the oven floor. The tray was lifted out and replaced with the new one and screwed back in. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes