A tip: you do not need to practice assembling and disassembling the keyless.... you can teach a monkey to do that. You need to learn about the mechanics and how the parts interact. If you know that ....your keyless problems are over for good as the keyless on every movement, although designed differently, functions the same way. Learn the 'why' not the 'how'.
'Why' does the keyless on a 2836 pop faster than a 7750...
'Why' is the hand wind position the best position on a 2836 to remove the crown...
'Why' does a keyless pop?...
Etc.