Here is a simple way to remove the front cover to install the Angel eye.
To remove the bottom lid, it would be better to remove the side cover (turn) first and
then press the latching clip to release it.
[video=youtube;17qK-Ji7cNM]http://www.youtube.com/watch?v=17qK-Ji7cNM&feature=related"]http://www.youtube.com/watch?v=17qK-Ji7cNM&feature=related[/video]