Remove the disposal unit by twisting it off of the mounting nut. Dump out any remaining water and particles. Turn the unit upside-down, and take away the plate protecting connections. Remove the grounding screw and wire nuts, and pull the cable out of the unit. You might also must loosen a pressure aid sleeve.
Remove the present mounting meeting and drain. Unscrew the mounting ring, and push the drain flange up by means of the drain gap. Scrape off any outdated plumber’s putty from the sink.
Note: If your new disposal is similar mannequin because the outdated unit, you will not want to interchange the mounting hardware.