HP Integrity rx7620 Server - User Service Guide, Sixth Edition

NOTE: There are two different heatsinks used in the turbo-cooler fan assemblies. The
removal and replacement procedure is essentially the same for the two. The machined
heatsink has thicker fins, and is one-piece. The other heatsink has fins that are thinner and
soldered to a base-piece. The machined heatsink has a clip holding the power cable in place
that cannot be removed. The soldered heatsink has a clip that must be removed in order to
correctly route the cable. See Figure 6-35 and Figure 6-36.
Figure 6-35 Soldered Heatsink and Clip
Figure 6-36 Machined Heatsink and Clip
9. On the machined heatsink: note the fan power cable routing and unhook the fan power
cable from the clip on the heatsink fin. Care should be used not to break the clip.
On the soldered heatsink: note the power cable routing and remove the clip by sliding it up
and off the heatsink fin. Remove the power cable from the clip and set the clip aside.
Replacing a Turbo-Cooler Fan
To replace a turbo-cooler fan, follow these steps:
1. Position the new fan with the power cable routed toward the clip.
2. Seat the replacement fan in the turbo-cooler by pressing down on the center of the fan. You
should hear a snap when each of the two tabs engages.
3. Route the cable carefully through the fins of the heatsink without leaving excess slack inside
which could impede the fan. On the soldered heatsink: after routing the cable, slide the clip
onto the fin immediately next to where you routed the cable.
4. Secure the power cable in the clip. The fan spins freely when seated properly with the fan
power cable secured in the clip.
Removing and Replacing a Processor Turbo-Cooler Fan 127