Dell PowerEdge C8000 - Manual (Page 181)

Installing System Components 181
5 Replace the four screws securing the front cover. See Figure 3-26.
6 Connect all cables to the hard-drive backplane and press down on the
locking tab to secure the cables. For sled without add-on cards, see
Figure 3-23. For sled with add-on cards, see Figure 3-24 or Figure 3-25.
7 Align the notches in the back cover with the corresponding tabs in the sled
tray.
8 Replace the five screws securing the back cover to the sled tray. For sled
without add-on cards, see Figure 3-23. For sled with add-on cards, see
Figure 3-24 or Figure 3-25.
9 Replace the sled. See "Installing a Sled" on page 156.
Removing the Sled Cover
CAUTION: The sled must be operated with the cover installed to ensure proper
cooling.
CAUTION: Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized is not covered by
warranty. Read and follow the safety instructions that came with the product.
NOTE: It is recommended that you always use a static mat and static strap while
working on components in the interior of the system.
NOTE: It is recommended that you remove the rear hard-drives and interposer
extender before disconnecting the twin axial cable and removing the sled cover.
The following replacement procedure applies only to sleds with GPGPU/
Xeon Phi cards.
1 Remove the sled from the enclosure. See "Removing a Sled" on page 155.
NOTE: Before opening the sled, make sure to disconnect the emergency throttling
cable from the node power distribution board on the sled tray. See Figure 3-27.