Does there exist a removal tool for the 2600/2700 and the D4002-series?
If you want to remove without damaging the parts, you'll need the use the same tool as for the installation of the parts:
This tool will function as both a removal as an installation tool.
The retaining washer will need to be torn off, but then you can easily compress the stud cup with the tool and remove the stud from the panel.
For more information regarding the tool 4P3-1, don't hesitate to contact us on firstname.lastname@example.org