Removal and replacement procedures 33
WARNING: To reduce the risk of personal injury from hot surfaces, allow the drives and the
internal system components to cool before touching them.
CAUTION: For proper cooling, do not operate the server without the access panel, baffles,
expansion slot covers, or blanks installed. If the server supports hot-plug components, minimize
the amount of time the access panel is open.
To remove the component:
1. Power down the server if performing a non-hot-plug installation or maintenance procedure ("Power
down the server" on page 26).
2. Extend ("Extend the server from the rack" on page 27) or remove ("Remove the server from the rack" on
page 28) the server from the rack.
3. Use the T-15 Torx screwdriver to loosen the security screw on the hood latch.
4. Lift up on the hood latch handle, and then remove the access panel.
To replace the component, reverse the removal procedure.
Air baffle
CAUTION: For proper cooling, do not operate the server without the access panel, baffles,
expansion slot covers, or blanks installed. If the server supports hot-plug components, minimize
the amount of time the access panel is open.
To remove the component:
1. Power down the server (on page 26).
2. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Extend or remove the server from the rack ("Remove the server from the rack" on page 28, "Extend the
server from the rack" on page 27).
4. Remove the access panel ("Access panel" on page 32).
CAUTION: Do not detach the cable that connects the battery pack to the cache module.
Detaching the cable causes any unsaved data in the cache module to be lost.
IMPORTANT: It is necessary to remove the PCIe riser cage only if there is a full-length expansion
board installed.
5. If a full-length expansion board is installed in the primary PCIe riser cage, release the expansion board
retainer and remove the primary PCIe riser cage (on page 35).
6. If a full-length expansion board is installed in the secondary PCIe riser cage, release the expansion
board retainer and remove the secondary PCIe riser cage (on page 36).
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