IBM DS4800 - Removing the Power Supply-Fans

2. Put on antistatic protection, and keep it on while performing all of the remaining
procedures in this section.
3. Remove both power supply-fan units. Figure 17 shows the locations of the
power supply-fans and the power supply-fan levers.
4. Remove the interconnect-battery unit. Figure 18 shows the location of the
interconnect-battery unit and the interconnect-battery unit levers.
5. At the back of the DS4800 Storage Subsystem, use an adhesive note to label
each of the controllers. Controller A is in the upper slot; controller B is in the
lower slot. Figure 19 on page 41 shows the locations of the controllers and
controller levers.
Power supply-fans
Levers in released
position
ds48026
Figure 17. Removing the power supply-fans
Interconnect-
battery unit
Levers
in released
position
ds48027
Figure 18. Removing the interconnect-battery unit
40 IBM System Storage DS4800 Storage Subsystem: Installation, User’s, and Maintenance Guide