Lenovo RD120 - ThinkServer - 6447 User Manual page 49

1
Microprocessor air baffle
2
Finger holes
To remove the microprocessor air baffle, complete the following steps:
1. Read the safety information that begins on page v and "Installation guidelines"
on page 29.
2. Turn off the server and peripheral devices and disconnect all power cords and
external cables (see "Turning off the server" on page 12).
Attention: In a dc power environment, only trained service personnel other
than Lenovo service technicians are authorized to connect or disconnect power
to the dc power supply. See the documentation that comes with each dc power
supply.
3. Remove the cover (see "Removing the cover" on page 31).
4. Place your fingers into the two finger holes on the top of the air baffle and lift
the air baffle out of the server.
Attention: For proper cooling and airflow, replace the air baffle before you
turn on the server. Operating the server with an air baffle removed might
damage server components.
Chapter 2. Installing optional devices
35