IBM 9009-22A Manual page 35

Figure 19. Removing the drive trays
a) Using a flat screwdriver, loosen the two screws (A) at the front of the drive tray.
b) Using your fingers, loosen the two screws (B) at the middle of the drive tray.
If needed, you can use a Phillips screwdriver to loosen the screws.
c) Lift the drive tray out of the system.
d) Repeat steps "6.a" on page 21 through "6.c" on page 21 for the other drive tray.
7. Unplug but do not remove the front drives and front fillers if present from their slots. Pull the drives
and fillers out far enough to prevent them from interfering with the removal of the disk drive
backplane as shown in Figure 20 on page 22.
Drive backplanes for the 5105-22E, 9008-22L, 9009-22A, 9009-22G, 9223-22H, or 9223-22S 21