Nortel CallPilot User Manual page 147

To remove the faulty CPU
Step
1
2
3
Copyright © 2007, Nortel Networks
.
WARNING
The microprocessor is extremely sensitive to electrostatic
discharge (ESD) and requires careful handling to avoid static
damage. To prevent ESD, perform the replacement at an ESD
workstation or use an ESD wrist strap.
Action
Prepare the server for CPU replacement as follows:
a. Shut down the server, and then disconnect the power and
peripheral device cables.
b. Place the server on its side.
c. Remove the side cover.
d. Remove the upper fan holder foam.
For instructions, see
maintenance" (page
WARNING
Failure to follow the procedures in
for hardware maintenance" (page 81)
electrical shock or equipment damage.
Disconnect the processor fan cable, and then remove the processor
fan.
For instructions, see
Using both hands, remove the heat sink housing, as follows:
a. Grasp the bottom edge of one side of the heat sink housing, and
pry the bottom tabs away from the heat sink.
CAUTION
Ensure that you do not bend the wings of the heat
sink while removing the heat sink housing as this will
cause damage to the heat sink.
b. Repeat step a for the other side.
c. Lift the housing away from the heat sink.
Nortel CallPilot
703t Server Maintenance and Diagnostics
NN44200-702 01.03 Standard
5.0 3 April 2007
"Preparing the server for hardware
81).
"To remove the processor fan" (page
Replacing the CPU 147
"Preparing the server
can result in
98).
Nortel Networks Confidential