Things You'll Need
Instructions
1Loosen the three screws that hold the bracket on the sink flange using a flat head screwdriver.
2
Locate the ends of the snap ring on the end of the sink flange. Pry one end up and off the flange with the flat head screwdriver. Pull down on the snap ring to remove it from the sink flange.
3
Slide the mounting ring, the backup ring and the fiber gasket down off the sink flange. Push up on the bottom of the sink flange to pop it up through the sink floor.