1. Use the plug to rotate and pull out the plate
2. remove the two screws circled in yellow
3. Very carefully unclip the top of the handle, the clips are easy to break
4. remove the spring
5. unclip the black plunger, by squeezing the tabs underneath
6. disconnect the switch board
7. remove the screw circled in yellow
8. the whole assembly can now be removed from the housing