![](http://pdfasset.owneriq.net/6/72/67233c87-8166-46b7-85b2-30f5d8bde360/67233c87-8166-46b7-85b2-30f5d8bde360-bg11.png)
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Installing and Upgrading Fans in Cisco 3725 Series Routers
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Replacing the Cisco 3725 System Fan
Figure 7 Correct Chassis Orientation in the Cisco 3725 Router
Figure 8 Correct Fan Orientation in the Cisco 3725 Router
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1 Arrow indicating fan installation direction 2 Arrow indicating fan rotation direction