Sun Microsystems SPARCcenter 2000 Service Manual page 117

Screws (4 places)
Nuts backed by lock and flat
washers (16 places)
Outer bus bar
Figure 7-10 Removing the Outer Bus Bar
4. Remove the inner bus bars.
These bus bars connect the top power supply to the backplane.
a. Remove eight screws securing the bus bars to the backplane.
Four screws secure the top bus bar, and four secure the bottom. See
Figure 7-11.
Major Subassemblies
7
7-11