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CAUTION:
Never remove the cover on a power supply or any part that has the
following label attached.
Hazardous voltage, current, and energy levels are present inside any
component that has this label attached. There are no serviceable parts
inside these components. If you suspect a problem with one of these
parts, contact a service technician.
2. Remove the DS4500 bezel (see “Removing the front bezel” on page 32).
Attention: Be careful when you remove the battery unit. The battery weighs
approximately 9.7 kg (21.4 lb).
3. Remove the battery, as shown in Figure 100 on page 149.
a. Loosen the four captive screws on the battery. If necessary, use a flat
blade screwdriver to loosen the screws.
b. Using both pull handles, slide out the battery about 5 cm (2 in.).
c. Grasp the sides of the unit with both hands and pull it out of the chassis.
d. Place the battery unit on a level surface.
148 IBM TotalStorage DS4500 Fibre Channel Storage Subsystem: Installation, User’s, and Maintenance Guide