Ok, so I thought I may experimenting the same issue. So I unscrewed the black thing then when putting back together I've done something horribly wrong! Now my firing button is loose and falls out from the top! What have I done?!?!?
http://www.e-cigarette-forum.com/forum/showthread.php?t=601639
Tasha
http://www.e-cigarette-forum.com/forum/showthread.php?t=601639
Tasha