i cant take of the trucks

[Destructo01]

the tittle
when i twiste the screw it dosent.
it twists but dosent unscrew
http://img111.imageshack.us/img111/4851/img04078js.th.jpg (http://img111.imageshack.us/my.php?image=img04078js.jpg)
http://img114.imageshack.us/img114/2903/img04071es.th.jpg (http://img114.imageshack.us/my.php?image=img04071es.jpg)

[almosttheemo]

usually risers are plastic..... but a screw driver on one side and then the wrench on the other side... hang on to both and lefty loosy righty tighty.......

[Ramp]