I think it’s incredibly difficult. I did eventually get the bass covers off with persistence and found all the driver bolts needed tightening. But I can’t get the midrange driver covers off at all.

ROON Rock on an NUC across the systems
Sitting room: 218, DSP7200SE
Study: 218, Quad 303, Spendor BC1
Bedroom: Musical Fidelity A3CR, Chartwell LS3/5a
Various Sonos boxes in bathroom and spare rooms