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Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
OL-32185-02
Chapter 6 Install and Upgrade Internal Modules and FRUs
Replace a Fan Tray
Figure 6-45
Cisco 4331 ISR Fan Tray
364660
2
2
2
5
5
2
4
1
3
1
Chassis cover
3
Fan tray
2
Cover screws (4)
4
Spring-lock
5
Cover screws on the side of the chassis (2)