Lenovo ThinkSystem SD550 V3 User Manual page 160

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).
e. If the internal adapter bracket is installed and blocks the way of removing the fan cage,
disconnect all the cables from the internal adapter; then, remove the internal adapter bracket
from the node (see
f. Disconnect all the fan cables from the system board; then, remove the fan cage from the node
(see "Remove the fan cage" on page
g. Remove the PCIe riser assembly from the node and, if necessary, disconnect the PCIe cables
from the system board (see
cable routing" on page
Step 2. Remove the PCIe adapter from the PCIe riser cage.
a. Remove the screw that secures the PCIe adapter to the PCIe riser.
b. Grasp the PCIe adapter by its edges and carefully pull it out of the PCIe slot.
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150
"Remove a node from the chassis" on page
"Remove the top cover" on page
"Remove the internal adapter bracket" on page
104).
"Remove the PCIe riser assembly" on page 146
223).
203).
"Remove the GPU air duct" on page
127).
and "PCIe riser
75); then,