Removal and Replacement Procedures 2-17
Hot-Plug Hard Drive Fans
The ProLiant ML570 server ships standard with three hot-plug hard drive fans. Two fans are
required for operation, and the third fan serves as a backup.
IMPORTANT: It is not necessary to power down the server to replace hot-plug devices such as power
supplies, fans, or hard drives when they are not in active use.
To remove a hot-plug hard drive fan:
1. Perform the preparation procedures. See “Preparation Procedures” earlier in this chapter.
2. Remove the access panel. See “Access Panel (Tower and Rack)” earlier in this chapter.
3. Remove the hard drive fan air baffle. See “Hard Drive Fan Air Baffle” later in this
chapter.
4. Using the electronics drawer handle, pull the drawer partially out of the chassis to access
the hot-plug hard drive fans.
CAUTION: Hot-plug hard drive fans are located below all server cabling. Be careful not to
unplug or loosen cables when accessing hot-plug hard drive fans.
5. Loosen the T-15 thumbscrew
located at the top of the fan.
6. Lift the hot-plug hard drive fan
out of the chassis.
1
2
Figure 2-10. Removing a hot-plug drive fan
Reverse steps 1 through 6 to replace a hot-plug hard drive fan.
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