Brocade MLX Series and NetIron XMR Hardware Installation Guide 277
53-1003821-01
Replacing fan assemblies
7
To avoid overheating of the router, remove one fan assembly at a time, and replace it promptly.
Wait for the LED on the fan assembly being replaced to turn green before replacing another fan
assembly. Do not remove all fans from the device at once.
Before replacing a fan assembly, have the following items available:
• A new fan assembly, which you can order from Brocade
• A small flat-blade screwdriver
• An ESD wrist strap with a plug for connection to the ESD connector on the front of the device.
For safety reasons, the ESD wrist strap should contain a 1 megohm series resistor.
Use the following steps to replace a fan assembly.
1. Put on the ESD wrist strap and ground yourself by inserting the plug into the ESD connector on
the router.
2. Using the screwdriver, remove the screws that secure the fan assembly faceplate to the rear of
the router.
3. Remove the fan assembly by grasping the handle on the faceplate and pulling the assembly
toward you as shown in Figure 157. Pulling the fan assembly unseats the fan connector from
the device.
The 32-slot router fan assembly is heavy and will be off-balance as you remove it. Use both
hands on the handle.
Be careful not to insert your fingers into the fan while removing it from the device. The fan may
still be spinning at a high speed.
FIGURE 156 32-slot router fan assemblies
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