Once the rubber base is separated from the device, remove the 8 Phillips PH00 screws that attach the metal bottom of the case to the plastic top of the case.

Use the Philiips #00 Screwdriver.

Some revisions of the Time Capsule have 10 screws. The A1254 revision has two screws in the upper right and lower left corners, as shown in the second image. In this situation, be sure to remove all 10 screws.