Figure 21: Fan Tray Removal
When removing the fan tray, keep your hands and fingers away from the spinning fan blades. Let
the fan blades completely stop before you remove the fan tray. Statement 258
Warning
As the fan tray slides out of the chassis, support the bottom of the fan tray with one hand and keep
your other hand on the fan tray handle.
Note
This completes the steps for removing the fan tray from the chassis.
The chassis must not be allowed to operate without functioning fans for more than 60 seconds.
Note
To install the new fan tray, follow the steps in the
section.
The following table shows the fan OIR timelines.
Table 1: Fan OIR Timelines
OIR Time
Temperature º C at 1800 m
Serial Number
60 seconds
-40º C to 30º C
1
Installing the Cisco NCS 4216
25
Installing the Cisco NCS 4216
Removing and Replacing the Fan Tray