Fellows ps60c-2. After I removed the seven screws there is something holding this together yet. I

Question

After I removed the seven screws there is something holding this together yet. I need to know what is holding this together? The reason I am taken it apart, there is something loose or broken inside. Is there something that I should know that might make the shredder only shred on the left side (not the right side very well) (the power switch side)