• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
“Power off the server” on page 75.
• Keep static-sensitive parts in their static-protective packages until installation to prevent exposure to
static electricity. Handle the parts with an electrostatic-discharge wrist strap or other grounding systems.
Place the parts on a static-protective surface.
Prepare the following screwdrivers to ensure you can install and remove the corresponding screws properly.
Torque screwdriver type list Screw Type
Torx T30 head screwdriver Torx T30 screw
Procedure
Step 1. To remove the quick connect plugs from the manifolds, see
“Remove the manifold (in-rack
system)” on page 169
or “Remove the manifold (in-row system)” on page 189.
Step 2. To remove the server from the rack, see
“Remove the server from the rack (friction rails)” on page
82
and “Remove the server from the rack (slide rails)” on page 89.
Step 3. Remove the top cover. See
“Remove the top cover” on page 282.
Step 4. Disconnect the leakage detection sensor module cable of the NeptCore module from the connector
on the system board assembly. See
Internal Cable Routing Guide.
Step 5. Open the hose holder cover.
Figure 153. Opening the holder cover
a. Loosen the thumbscrew on the cover.
b.
Open the cover.
Step 6. Disengage the hoses and leakage detection sensor module.
Chapter 5. Hardware replacement procedures 159
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