Lenovo ThinkSystem ST45 V3 - Page 144

• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
“Power off the server” on page 34.
• Remove any locking device that secures the server, such as a Kensington lock or a padlock.
• Place the server on its side with the cover up.
Procedure
Step 1. Remove the server cover.
a.
Use a screwdriver to remove the two screws that secure the server cover to the chassis.
b.
Slide the server cover away from the front bezel, and lift it up from the chassis. Reserve the
screws to be used for reinstalling the server cover.
Attention:
• The heat sink and processor could be very hot. To avoid burning yourself, wait for a few minutes
after turning off the server before you remove the server cover.
• For proper cooling, always install the server cover before powering on the server. Operating the
server without the cover properly installed might result in server component damage.
Figure 114. Removing the server cover
Step 2. If applicable, remove the ODD+bay 2 drive cage assembly (see “Remove an optical drive cage” on
page 78
) or remove the bay 2+bay 3 drive cage assembly (see “Remove the drive cage (bay 3)” on
page 67
). Then, remove the cage bar.
a.
Push the latch on the cage bar until the cage bar is disengaged from the chassis.
b.
Rotate the cage bar and remove it from the chassis.
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ThinkSystem ST45 V3 User Guide