IBM 7940, Problem Determination And Service Manual

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Removing the front hard disk drive cage assembly
To remove the front hard disk drive cage assembly, complete the following steps.
Retention latch
Hard disk drive
tray assembly
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 29.
2. Turn off the server and peripheral devices and disconnect all power cords and
external cables; then, remove the server from the rack.
3. Remove the server cover. See “Removing the cover” on page 31.
4. If a CD or DVD drive is installed, remove it from the server (see “Removing the
CD or DVD drive” on page 36).
5. Disconnect the power and signal cables from the CD or DVD drive backplane.
6. Open the drive-cage assembly retention latch; then, release the drive-cage
assembly by sliding it slightly toward the rear of the server.
7. If a hard disk drive is installed, disconnect the hard disk drive power and signal
cables. Note the cable locations for later use in reinstalling the hard disk drive.
8. Lift the drive-cage assembly out of the server.
9. If you are instructed to return the drive-cage assembly, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
Chapter 4. Removing and replacing server components
53