Originally Posted by
Joe Remi
Who directed you to that doc? It's for the pre-2017 shifters, which are completely different from yours. As you say, removing the cable is very simple on the new bits.
It's the only document on the Brompton site that deals with derailleur cables. There is no mention of module year and no diagram of the shifter body to give you a clue. Just a poor job of documentation overal. Especially for a bike with a lot of proprietary parts.