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4. Using a Torx #T20 screwdriver, fully tighten the captive screw all the way down before moving to the next screw (on
one-screw-at-a-time basis).
NOTE:
Follow the screw sequence defined on heat sink label. Assembly order: 1, 2, 3, 4, 5, 6.
5. The tubes leading towards the rear of the chassis and the DLC leak detection cable are placed in between the PSU 2 and the
clip of rear I/O board (RIO).
NOTE:
Leak detection cable must be placed first into the clip (underneath the cooling tubes), and then place tube 2 and
tube 1 into the clip to ensure that cable does not interfere with the PCIe risers.
6. Route the rear end of the DLC tubes through the RIO board.
NOTE:
Follow the number labels on the DLC tubes and ring holders (1,2).
7. Connect the DLC leak detection cable to the connector on RIO.
8. Align the rubber ring on the tubes with the ring holder.
9. Tilt the DLC ring holder and using a Phillips #2 screwdriver, tighten the captive screw on the DLC ring holder to secure it in
place.
Figure 99. Installing the liquid cooling heat sink modules
Next steps
1. Install the
air
shroud.
2. Install the
system
cover.
3. Follow the procedure listed in the
Expansion cards and expansion card risers
NOTE:
A system event entry is logged in the iDRAC Lifecycle Controller if an expansion card riser is not supported or
missing. It does not prevent your system from turning on. However, if a F1/F2 pause occurs with an error message,
After working inside your
system.
Installing and removing system components
121
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