Spoilers not working

I have 4 spoilers on the aircraft, I named them as:
L_Spoiler01
L_Spoiler02
R_Spoiler01
R_Spoiler02
I've also done the animation as showed in MakeMDL.doc:
Speedbrake/Spoiler Schweizer R_Spoiler, L_Spoiler Key 0 = Retracted,
L_Spoiler01
L_Spoiler02
R_Spoiler01
R_Spoiler02
I've also done the animation as showed in MakeMDL.doc:
Speedbrake/Spoiler Schweizer R_Spoiler, L_Spoiler Key 0 = Retracted,