Sun Microsystems Netra 240, Service Manual

Page: 86 / 154

68 Netra 240 Server Service Manual • June 2004
Air Duct and Rear Fan Assembly
The air duct and rear fan assembly contains two fans, F0 and F1. The entire rear fan
assembly should be replaced if one of these fans fail.
Removing or Rotating the Air Duct and Rear Fan
Assembly
1. Power off the server.
See “Powering Off the Server” on page 22 .
2. Remove the server cover.
See “Removing the Server Cover” on page 27 .
3. Open the rotating service module.
See “Opening the Rotating Service Module” on page 30 .
4. Ensure that the server is properly grounded.
See “Avoiding Electrostatic Discharge” on page 32 .
5. Determine if you want to gain access to the components beneath the air duct and
rear fan assembly, or if you want to completely remove the assembly from the
server (refer to
FIGURE 5-1
for both sets of instructions).
■
If you want to gain access to components beneath the air duct and rear fan
assembly, push the tab on the right of the assembly to the rear of the system, then
rotate it up and out of the way.
■
If you want to completely remove the air duct and rear fan assembly from the
server:
a. Push the tab on the right of the assembly to the rear of the assembly and rotate
the assembly up.
b. Unplug the two lower cables from the system board.
c. Dislodge the assembly from the rear supports and slide it out of the system.