10-32 screw
Figure 23. Installing the two 10–32 screws
Removing the fan cage cover
Use this information to remove the cover from a fan cage.
Before you remove the fan cage cover, complete the following steps:
1. Read “Safety” on page v and “Installation guidelines” on page 75.
2. Turn off the server (see “Turning off the server” on page 29 for instructions) and all attached peripheral
devices. Disconnect all power cords; then, disconnect all external cables as necessary to replace
the device.
Statement 12
CAUTION:
The following label indicates a hot surface nearby.
Statement 21
CAUTION:
Hazardous energy is present when the compute node is connected to the power source. Always
replace the compute node cover before installing the compute node.
To remove the fan cage cover, complete the following steps:
82
Lenovo ThinkServer sd350 Server Type 5493, Lenovo ThinkServer n400 Enclosure Type 5495Installation and Service Guide