HP StorageWorks 2300 - Disk System User Manual page 131

3 To remove the midplane:
a Loosen the cam handle locking screws and pull power supplies free of the
midplane (see page 123).
b Loosen the cam handle locking screws and pull the BCCs free of the
midplane.
c Remove the disk modules and fillers from the chassis.
d Remove the light pipes (see Figure 60 on page 132) from the chassis.
e Remove the power switch extender arm.
f Remove the eight Torx T15 screws along the top and bottom edges of the
midplane (see Figure 60).
g Pull the midplane forward to clear alignment pins and lift it up and out of
the disk system.
4 To replace the midplane:
a Stand the new midplane inside the chassis and push it over the alignment
pins. Adjust the final position of the midplane as necessary for optimal
connections to power supply/fan modules, BCCs, and disk modules.
b Insert and tighten eight screws into the midplane and chassis.
c Replace the light pipes.
d Replace the power switch extender arm.
5 Replace the top cover. See page 128.
6 Reseat and secure the BCCs (see page 119).
7 Reseat and secure the power supplies (see page 123).
8 Reinstall the disk modules and fillers.
Removal and Replacement 131