Installation guide

Chapter 4: Maintenance Procedures
E4G Series Routers Hardware Installation Guide
86
Replacing a Fan Module in the E4G-400 Router
You need a 1/2-inch flat-blade screwdriver to replace a fan module in an E4G-400 router.
CAUTION
Be sure to finish the replacement procedure promptly. The router may overheat if it is left without cooling
for an extended period.
To replace the fan module:
1 Completely loosen the captive retaining screws on the fan module (Figure 61).
2 Slide the fan module out of the router and set it aside.
Figure 61: Removing a Fan Module
3 Carefully slide the replacement fan module into the router (Figure 62).
Figure 62: Installing a Fan Module
4 Align and fully tighten the captive retaining screws.
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