Top panel swingStraight slot screwdriverScrew for fastening lidTop panel swingTop panelMaintenance lidMaintenance lidA wrong installation procedure of this product may prevent proper installation of the basin body or the chair body.Make sure to follow the installation procedure below:113Installation Of Floor UnitTake out the floor unit from the packing.Remove the top panel.1. Use a straight slot screwdriver to completelyloosen the screw for fastening lid.Hold the sections indicated by the arrows to take out the unit.2. Pull the release lever upward to open the top panel swing.3. 4.5. Hold the opening generated by removing themaintenance lid and lift the top panel upward.6. Take out the accompanying items from the inside.Remove the maintenance lid and insert it into thegap of the opened top panel swing .Hold the handle part of the top panel swing to openthe top panel swing to right angle.GapRelease leverGap