2.  If you are instructed to return the component or optional device, follow all packaging instructions, and 
use any packaging materials for shipping that are supplied to you.
Install the heat sink and the fan module (trained technician only)
Follow this procedure to install the heat sink and the fan module. This procedure must be executed by a 
trained technician.
S002 
CAUTION: 
The power-control button on the device and the power switch on the power supply do not turn off the 
electrical current supplied to the device. The device also might have more than one power cord. To 
remove all electrical current from the device, ensure that all power cords are disconnected from the 
power source.
About this task
Attention: 
1.  Read 
“Safety inspection checklist” on page iv and “Installation guidelines” on page 41 to ensure that you 
work safely.
2.  Touch the static-protective package that contains the component to any unpainted metal surface on the 
server; then, remove it from the package and place it on a static-protective surface.
Watch the procedure 
A video of this procedure is available at YouTube: 
https://www.youtube.com/playlist?list=PLYV5R7hVcs- 
AU3iY3F7lq3qfqr5caGbIu
.
Procedure
Step 1.  Install the processor if one is not yet installed. See 
“Install the processor (trained technician only)” 
on page 135
.
Step 2.  Align the four screws on the heat sink and fan assembly with the corresponding screw holes on the 
system board. Make sure the fan cable is close to the heat sink fan connector, see 
“System board 
components” on page 18
.
96
ThinkSystem ST50 V2 Maintenance Manual