Fan And Fan Cage Replacement - Lenovo ThinkSystem SD550 V3 User Manual

3. Make sure that the required power supply units are installed and power cords are connected; then,
power on the node (see
53.)
4. Proceed to complete the parts replacement (see

Fan and fan cage replacement

Follow instructions in this section to remove or install the fans and fan cage.
Remove the fan cage
Follow instructions in this section to remove the fan cage.
About this task
To avoid potential danger, make sure to read and follow the safety information.
Attention: Read "Installation Guidelines" on page 43
sure that you work safely.
Procedure
Step 1. Make preparations for this task.
a. Power off the node (see
from the node.
Note: If necessary, press the release clip with a flat-head screwdriver to remove an external
network cable from the rear of a 2U node.
b. Remove the node from the chassis (see
carefully lay the node on a flat, static-protective surface, orienting the node with the front
toward you.
Notes:
• When removing the node, note the node tray number and make sure to install the node in
the same tray from which it was removed. Reinstalling the node into a different tray requires
the node to be reconfigured.
• For safety, make sure to hold the node with both hands when lifting the node.
c. Remove the top cover (see
d. If the GPU air duct is installed in the node, remove it (see
119).
ThinkSystem SD550 V3 User Guide
104
"Install a hot-swap power supply" on page 63
"Power off the node" on page
"Remove the top cover" on page
and
"Complete the parts replacement" on page
and "Safety inspection checklist" on page 44
53); then, disconnect all external cables
"Remove a node from the chassis" on page
203).
"Remove the GPU air duct" on page
"Power on the node" on page
208).
to make
75); then,