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6-4 Installation and Troubleshooting Guide
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Replacing the fan assembly involves removing the the existing fan assembly, and
installing a new assembly.
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You do not need to power off the switch during this replacement. The switch can
safely run at the following temperatures while the fans are replaced:
25 minutes at 23 degrees C at sea level (average conditions)
4 minutes at 40 degrees C at three kilometers (km) altitude (extreme conditions)
9
#1 Phillips-head screwdriver
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1. Loosen the four front thumb-screws.
2. Pull the assembly out of the switch as shown in Figure 6-4.
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