Removing A Controller; Removing The Battery From The Controller - IBM System Storage DS3300 Installation, User's, And Maintenance Manual

2. Remove the controller from the chassis.
Handle
Figure 46. Removing a controller
a. On the left side of the controller, press the orange release tab to the right
just enough to release the handle; then, rotate the handle upward.
b. Slowly pull the handle away from the chassis to remove the controller from
the bay.
c. Place the controller on a level surface.
3. Remove the battery from the controller.
Battery connector
Memory cache battery
Captive fastener
Figure 47. Removing the battery from the controller
a. Turn the blue captive fastener counterclockwise 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. Set the battery unit aside.
Guide pin Notch
Chapter 5. Replacing components
87