IBM DS3500, Installation, User & Maintenance Manual, Page: 139 / 180

a. Open the two release levers as shown in the illustration. The controller
moves out of the bay approximately 0.6 cm (0.25 inch).
b. Pull the controller out of the bay.
c. Place the controller on a level surface.
5. Remove the cover (see “Removing and installing a cover” on page 94).
6. Place the controller on a flat surface.
7. Remove the failed battery unit from the controller.
a. Loosen the blue captive fastener until the battery can move in the direction
that is indicated by the arrow.
b. Slide the battery unit out of the controller in the direction that is indicated
by the arrow.
c. Dispose of the battery as required by local ordinances or regulations. For
more information, see the IBM Systems Environmental Notices and User’s
Guide on the IBM Support DVD.
8. Unpack the new battery unit. Set the new battery unit on a dry, level surface.
Save all packing materials in case you have to return the new battery unit.
9. Insert the new battery unit into the controller chassis:
a. Slide the battery pack into the controller until the battery-pack connector
pins are firmly seated in the controller battery connector.
b. Tighten the captive fastener to secure the battery pack in place.
10. Install the cover (see “Removing and installing a cover” on page 94).
Release
levers
Figure 91. Removing a controller
Battery connector
Captive fastener
Memory cache battery
Figure 92. Removing a battery unit from the controller
Chapter 5. Replacing components
119