clock disassemble help

[Lenie]

Does anyone know how to remove the casing (outer cone) from this firebird/camaro clock. Need to refurbish, build bracket to my console and connect. Thanks

http://img823.imageshack.us/img823/6751/emxc.jpg (http://imageshack.us/photo/my-images/823/emxc.jpg/)

http://img692.imageshack.us/img692/7826/thm6.jpg (http://imageshack.us/photo/my-images/692/thm6.jpg/)

http://img838.imageshack.us/img838/5769/h72f.jpg (http://imageshack.us/photo/my-images/838/h72f.jpg/)