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4-34 Sun Fire V20z and Sun Fire V40z Servers—User Guide • March 2005
4.5.7.3 Replacing the Front Fan-Cage Assembly
Caution – On the updated release of the Sun Fire V40z server (chassis PN 380-1206),
if you remove the front or rear fan-cage assembly from the motherboard while the
server is powered on and running, the server will automatically perform a hard
power-off.
We recommend that you power off the server before servicing any components.
The front fan-cage assembly holds fans 9 through 12 (numbering is indicated on the
top of the main air baffle).
1. Power off the server, including any attached peripherals, and disconnect the
server from the electrical outlet. If your server includes two power supplies,
ensure that both power cords are disconnected from the electrical outlet.
Refer to “Powering Off the Server and Removing the Cover” on page 4-2.
2. Remove the main air baffle (see
FIGURE 4-20).
Lift the rear edge of the baffle, then move it toward the rear of the server to
disengage the hooks on the front edge of the baffle.
3. Remove the plastic air baffle from the base of fan 12 (see
FIGURE 4-24).
4. Remove the three screws that secure the fan-cage assembly to the motherboard
(see
FIGURE 4-24).
5. Lift the assembly up and out of the server.
6. Remove all individual fans from the fan cage.
Squeeze the retainer clip on the edge of the fan, then pull the fan straight up to
disengage its connector and remove it from the fan cage (see
FIGURE 4-23).
7. To install the new fan-cage assembly, reverse Step 6 through Step 2.
8. Before re-installing the cover on the server, check the routing of all cables for
obstructions.