Opening RL02 disk pack

[Christian Corti]

On Thu, 6 Dec 2018, Christian Corti wrote:
> Well, this is exactly my question: how do I remove the disk (= platter) from 
> the pack (= cartridge). And there are no magnets in the disk pack.

Here are some pictures that hopefully clarify my question:
http://computermuseum.informatik.uni-stuttgart.de/pics/temp/rl02/

How do I separate the platter from the top of the cartridge/cover?

Christian