IBM 2104 Model DU3 - Manual (Page 30)

5. Refer to Figure 9.
6. At the back of the rack, install and tighten the two screws 1 .
Note: These are the screws identified as 6 in Figure 1 on page 4.
7. Go to “Reinstalling the Disk Drive Modules and Dummy Disk Drive Modules” on
page 15.
Figure 9. Installing the Back Mounting Screws
14 2104 Model DU3 Installation Guide