Originally Posted by
mjhaess
You should be able to push the inner button inside the top of the cam and it should come right out..I have three 158s and that is how they work..
Not all of them work like that. My 1914 works like that, but my 1802 has a lever you press to the right when you insert/remove cams. Here is the page from the 1802 manual:
[ATTACH=CONFIG]481720[/ATTACH]