Wow! Talk about unhelpful. Neither the User Guide nor the Support Documents show anything (that I saw) about removing the drive bay. Trust us, though. As everyone else has said. Someone put it together, so someone should be able to take it apart.
Check to see if there is just a latch at the front of the drive bay, holding both devices (Optical drive and Hard Drive) in place. After disconnecting the power and data cables from both drives, GENTLY try moving the entire drive bay back from the front of the case.
-Wolf sends