Replace Fan Tray On Cisco 4331 Isr - Cisco 4000 Series Hardware Installation Manual
Integrated services routers
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Also See for 4000 Series:
- Upgrade manual (24 pages) ,
- Installation manual (18 pages) ,
- Manual (52 pages)
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Chapter 5
Install and Upgrade Internal Modules and FRUs
Figure 5-50
1
Replace Fan Tray on Cisco 4331 ISR
Step 1
Remove the four cover screws from the top of the chassis.
The length of the cover screw on top of the chassis is shorter.
Note
Remove the two cover screws from each side of the chassis, and lift the cover away from the router
Step 2
chassis. See
Step 3
Remove the fan connectors from the motherboard. See
Step 4
Press the spring-lock on both the sides of the fan tray to release the spring-lock.
Pull the fan tray up to disengage from the slot. See
Step 5
Insert the replacement fan tray and gently push down until the spring-lock is latched and fully engaged
Step 6
onto the slot.
Step 7
Connect the fan connectors on the motherboard. See
The connectors are polarized or keyed to allow easy insertion in only one orientation. Orient the
Note
connectors correctly before you insert them. Incorrect orientation can damage connector pins.
Step 8
Turn on the system power, and verify that the fan tray is functioning normally.
Step 9
Turn off the system power before you cover over the chassis.
Center the cover over the chassis and lower it onto the chassis.
Step 10
Install the four cover screws (torque 5 to 6 in-lb) on the top of the chassis, and install the two cover
Step 11
screws (torque 5 to 6 in-lb) on each side of the chassis. See
OL-32185-02
Cisco 4431 ISR Fan Tray
1
Captive screws
Figure
5-51.
Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
2
2
Fan tray
Figure
5-52.
Figure
5-51.
Figure
5-52.
Figure
5-51.
Replace a Fan Tray
5-63
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