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System Hardware Installation - 28 -
3-5 Removing and Installing the Heatsink
Read the following guidelines before you begin to install the heatsink:
• Always turn off the computer and unplug the power cord from the power outlet before
installing the heatsink to prevent hardware damage.
• Unplug all cables from the power outlets.
• Disconnect all telecommunication cables from their ports.
• Place the system unit on a flat and stable surface.
• Open the system according to the instructions.
WARNING!
Failure to properly turn off the server before you start installing components may cause seri-
ous damage. Do not attempt the procedures described in the following sections unless you
are a qualified service technician.
Follow these instructions to remove the heatsink:
1. Loosen the four captive screws securing the heatsink to the system.
2. Lift and remove the heatsink.
WARNING!
CPU0 and CPU1 use different CPU heatsinks. See the following images for
using the correct heatsink.
Failure to observe the warning could result in damage to the equipment.
CPU0 Heatsink
1
2
• When installing the heatsink to CPU, use T30-Lobe driver to tighten 4 captive nuts in
sequence as 1-4.
• The screw tightening torque: 8 ± 0.5 kgf-cm (17± 1.0 lbf-in).