I've took down the ceiling fan, but I am unable to remove the blades, from the model #AER52BP5LKRC, 52" Ceiling Fan D5201 E163438it has a light dome (frosted glass), but there is no apparent way to remove the blades, please help me and tell me how do I go about that, I saw somebody having a problem with the same model, and he was looking for the manual and he was told is no t on line, so is there anyway you can help me with this? Thank you.