On Sunday, 10 March 2019 21:32:04 UTC, wrote:

I tried that a few years ago - except the panels had been dropped
into slots and then also nailed to the posts, and couldn't be
detached in anything approximating one piece.

I've had a couple out previously and they too were nailed to the posts but I just cut through them with a hacksaw. I used fence clips to put them back so I should be able to avoid any further damage.