HP A3311A, A3312A, A3312AZ Backplane Assembly, Deskside Backplane Assembly

Service

Backplane Assembly

Service

Backplane Assembly

Deskside Backplane Assembly

CAUTION! The following procedures require that you turn off the storage enclosure and make it inaccessible. Check with the system administrator before proceeding.

To replace the deskside backplane assembly (Figure 45):

1.Disconnect the ac power cords and SCSI interface cables.

2.Remove all modules from the bays.

3.Remove two captive screws (17) from the rear panel (5).

4.Tilt the top of the rear panel outward and remove it.

5.Remove nine M4/T15 screws (14) from the backplane assembly (13).

6.Remove the four outer M3 nuts (15) from the ac power adapters.

7.Remove the backplane assembly.

8.Reassemble the backplane assembly in reverse order. Ensure that the flat washers (16) are still on the ac power adapter studs, before replacing the backplane assembly. Align the power switch push rod (19) with the power switch on the backplane assembly and check for proper operation.

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