Sun Oracle SPARC T3-2 Service Manual page 202

2. Pull both power supplies at least part way out of the chassis, to disconnect them
from the power supply backplane.
See
3. Remove all memory risers or filler panels.
See
4. Remove the air divider by pulling it up and out of the chassis.
5. Remove the ribbon cable connecting the power supply backplane to the
motherboard.
6. Remove the power supply backplane by completing the following tasks.
a. Remove the screw that holds the power supply backplane cover in place and
b. Remove the four bus bar screws securing the motherboard to the power
c. Disconnect the AC cables from power supply backplane and lift the
190 SPARC T3-2 Server Service Manual • December 2013
"Remove a Power Supply" on page
"Remove a Memory Riser" on page
remove the power supply cover.
supply backplane and remove the motherboard to gain access to the bus bars.
This will also involve disconnecting all cables that connect the power supply
backplane, disk drive backplane, and fan board to the motherboard.
See "Remove the Motherboard" on page
backplane out of the chassis.
104.
120.
164.