Lenovo ThinkSystem SD550 V3 User Manual page 86

CAUTION:
Do not place any object on top of a rack-mounted device unless that rack-mounted device is intended
for use as a shelf.
Attention:
• Read "Installation Guidelines" on page 43
you work safely.
• 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.
• Be careful when removing or installing the node to avoid damaging the node connectors.
• For proper cooling, each node tray must be installed with either a node or node tray fillers before the
nodes in the chassis are powered on.
Note: Depending on the specific configuration, the hardware might look slightly different from the
illustrations in this section.
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.
Step 2. Remove the node from the chassis.
a. Pivot and release the front handle of the node.
b. Carefully slide the node out of the chassis until you see the warning icon on the side label of
the node. Then, hold the node with both hands as illustrated and carefully pull it out of the
chassis.
Attention: For safety, make sure to hold the node with both hands when lifting the node.
ThinkSystem SD550 V3 User Guide
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and "Safety inspection checklist" on page 44
"Power off the node" on page
to make sure that
53); then, disconnect all external cables