Poke the rod end of the prop into the top(rear when up )of the spring between the back of the spring and the catch itself -- it is a bit of a push, but means the prop is firmly placed and will not come free of its own accord!

Cheers

Robbie
2021 Plus Four -- Helga
211-WX-1433

"Fettlebodge"--A chief of the PaddyMogs