Door lock disassemble

[Bean]

For completenes if you do want to try:
You have to pull the link a few millimeters out of the plastic clip (on the side with the bend) so you can then compress the clip on the other side enough to pull it out.
As been said beware that the plastic after this many years will be very brittle and it also probably sticks to the link fairly good and chances it breaks in the process are high