Backplane Assembly-Hp-Qualified Personnel Only - HP Surestore Disk Array 12h - And FC60 Service Manual

Removal and Replacement
Backplane Assembly–HP-qualified personnel only
Backplane Assembly–HP-qualified personnel only
CAUTION! The following procedures require that you perform a shutdown, turn off the
disk array, and make it inaccessible. Check with the system administrator before
proceeding.
To replace the backplane assembly (see
1. Shut down the disk array, turn off the disk array, disconnect the ac power cords and SCSI interface
cables.
2. Remove all modules (fans, disks, power supplies, and controllers) from all bays.
3. Remove the two rear cover captive screws, as shown in
cover (5) and remove the rear cover completely from the disk array (1).
4. Remove the four standoffs (3) and their lock washers. Note carefully the position of the standoffs for
later reassembly.
5. Remove the two T-15 M4 screws (4) that secure the display module to the backplane assembly.
6. Remove the display module from the front of the disk array.
7. Remove the eleven M4 nuts (8) from the backplane assembly. Note that the three nuts across the top of
the backplane assembly also have flat washers (7) beneath the nuts. Do NOT remove any Pozidriv or
Phillips screws from the backplane!
8. Remove the backplane assembly (2).
9. Reassemble in reverse order. Align the push rod with the switch on the backplane assembly and check
for proper operation of the power button before attaching all hardware.
196
Figure 33, Item 2):
Figure 33, Item 6. Tilt back the top of the rear