Lenovo ThinkSystem SD530 V3 User Manual page 138

Procedure
Step 1. Make preparations for this task.
a. Power off the node (see
from the 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
91).
e. If the PCIe riser assembly is installed, remove it from the node and disconnect the PCIe cables
from the system board (see
"Internal cable routing" on page
f. Remove the power bus bar (see
Step 2. Disconnect the cables between the power distribution board and system board.
Step 3. Remove the power distribution board from the node.
a. Remove the five screws that secure the power distribution board to the node.
b. Slightly pull the power distribution board toward the front of the node; then, lift it out of the
node.
Figure 82. Removal of the power distribution board
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128
"Power off the node" on page
"Remove a node from the chassis" on page
"Remove the top cover" on page
"Remove the PCIe riser assembly" on page 116
173).
"Remove the power bus bar" on page
51); then, disconnect all external cables
168).
"Remove the GPU air duct" on page
and
123).
72); then,
Chapter 6