D-Link DSN-1100-10 - xStack Storage Area Network Array Hard Drive Hardware Reference Manual page 36

A.3.2 Installing a Hard Drive in a Drive Tray
Follow these steps to install a hard drive in a drive tray.
1. If there is one, remove the plastic air dam from the tray by squeezing the two levers
together and lifting the piece out of the tray as shown in A-17.
2. Your tray should now look like Figure A-18.
36 Appendix A Replacing and Upgrading FRUs
Figure A-17 Removing the Plastic Air Dam Piece
Figure A-18 Tray with Air Dam Removed