Installing The Sun Fireplane Interconnect Into The Chassis - Sun Microsystems Sun Fire E25K Service Manual

13.5 Installing the Sun Fireplane Interconnect
into the Chassis
The Sun Fireplane interconnect assembly can only be removed from the front of the
Sun Fire E25K/E20K systems. Follow the front and rear notations in this procedure
carefully.
Caution – The Sun Fireplane interconnect assembly weighs 30.0 lb (13.6 kg). Use
proper heavy-lifting procedures when removing this unit.
From the front of the system:
I
1. Place the top of the Sun Fireplane interconnect assembly sheet metal guide
brackets onto the sheet metal guide rail at the top center of the card cage of the
system chassis.
2. Using the sheet metal insertion guide handles of the Sun Fireplane interconnect
assembly, slide the assembly into the card cage of the chassis aligning the two (2)
chassis guide pins and two (2) power centerplane alignment pins (
through the center mid-plane panel of the system chassis.
3. Ensure the edges are flush against the chassis and secure the Sun Fireplane
interconnect assembly with the twenty-two (22) Phillips captive screws around the
perimeter of the Sun Fireplane interconnect assembly stiffener. Follow the
tightening pattern defined to ensure proper alignment.
a. Secure the bottom center captive screw.
b. Secure the immediate right and left of bottom center captive screw.
c. Secure the upper top left corner captive screw.
d. Secure the upper top right corner captive screw.
e. Secure the remaining screws going around the perimeter in a counterclockwise
direction.
4. Install all centerplane support boards and system expander boards by following
the procedures in:
Section 11.2, "Centerplane Support Board Replacement Procedures" on page 11-3
I
Section 12.2, "Expander Board Replacement Procedures" on page 12-3
I
5. Install all slot 0 and slot 1 boards. See the Component Serial Number Worksheet,
TABLE 13-1
13-8 Sun Fire E25K/E20K Systems Service Manual • April 2004
, used to verify board position.
)
TABLE 13-1