Cisco 10720 - Internet Router Installation And Configuration Manual page 144

Removing and Installing the Router Fan Assembly
Attach an ESD-preventive strap to your wrist, and to the router or to a bare metal surface. (See the
Step 2
"Preventing Electrostatic Discharge" section on page
Step 3 is only required when installing Fan Number 4. To install Fan Numbers 1, 2, and 3, proceed to
Note
Step 4.
Figure 5-24
Step 3 Install the fan guard on Fan Number 4 before securing the fan to the router chassis or operating the
router. To install the fan guard, perform the following:
1. Place the fan guard onto the back of the fan. (See
2. Using four washers, place one on each corner of the fan guard. (See
3. Using a Number 1 Phillips screwdriver, secure the fan guard and washers to the fan with four screws.
(See
Cisco 10720 Internet Router Installation and Configuration Guide
5-22
Installing the Fan Guard (Required on Fan Number 4)
Figure 5-24.)
Chapter 5 Maintaining the Cisco 10720 Internet Router
2-3.)
Figure 5-24.)
Figure 5-24.)
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