My NV752 looks almost just like this until step 13 and 14. It seems like the screw in step 13 doesn't exist, and like there's no way to access the motor. The pinwheel fan-looking part that they pull back in step 14 is fixed to the vacuum, it's the same piece of plastic as the base. I don't think there's any way to get into the motor for NV752 : (