Lenovo x3650 M4 BD 5466 Installation And Service Manual page 187

Removing a front fan
Use this information to remove a front fan.
Attention: To ensure proper server operation, if a fan fails, you need to turn off the server first, then
replace the fan immediately.
To remove a front fan, first complete the following steps:
Step 1. Read the safety information that begins on page "Safety" on page v and "Installation guidelines"
on page 30.
Step 2. Turn off the server (see "Turning off the server" on page 19) and all attached peripheral devices.
Disconnect all power cords; then, disconnect all external cables from the server.
Step 3. Remove the server top cover (see "Removing the server top cover" on page 247).
Step 4. Rotate the hot-swap rear hard disk drive cage up (see "Rotating the hot-swap rear hard disk
drive cage up" on page 155).
Step 5. Remove the air baffle (see "Removing the air baffle" on page 249).
Step 6. Removing Fan 1A:
Figure 101. Fan removal
1. Pull up the blue handle on the fan cage.
2. Disconnect the fan cable from the connector on the system board. (See "System-board
internal connectors" on page 23).
3. Pull the fan cable out of the cable retainer clip.
4. Grasp the top of the fan with your index finger and thumb and slowly lift the fan out of the
server.
Step 7. Removing Fan 2A or Fan 3A
1. Disconnect the fan cable from the connector on the fan board. (See "System-board internal
connectors" on page 23).
2. Pull the fan cable out of the cable retainer clip.
.
Chapter 6 Removing and replacing components
173