Epson Equity 320SX PLUS - Manual (Page 145)

7. Secure the drive to the bracket with the retaining screw.
Now you can replace the subassembly and the computer’s
cover. See Chapter 5 for instructions.
Removing a Hard Disk From the Vertical Position
You need to remove the hard disk drive from the vertical
position in the following cases:
You are replacing the drive
You are adding a second drive (either another hard disk
drive or a diskette drive) in the lower horizontal position.
Follow these steps:
1. Remove the retaining screw securing the hard disk drive
mounting plate to the subassembly and set it aside.
r e t a i n i n g s c r e w - ?
2. Tilt the hard disk drive slightly to the right and lift it off
the subassembly.
Installing and Removing Disk Drives 7-17