Before You Begin; Step 1 - Cisco Nexus 7706 Hardware Installation Manual

Replacing a Fan Tray

Before you begin

• You must follow ESD protocols, including the following:
• Verify that the chassis is grounded.
• Verify that you have the following tools and equipment:
• Put the switch in fan tray maintenance mode.

Step 1

Remove the fan tray as follows:
a) Use a Phillips torque screwdriver to loosen the four captive screws on the fan tray until they are no longer connected
to the chassis.
b) Grab both fan tray handles with both of your hands.
c) Pull the fan tray straight out of the slot.
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• You must wear a grounded ESD wristband (or other personal grounding device) whenever you
handle the electronic modules outside the grounded chassis.
• You must carry electronic modules by only their covered edges or handles. Do not touch their
electronic components.
• Whenever a module is outside a grounded chassis, place it flat on an antistatic surface or in an
antistatic bag. Never lean the module on anything nor place anything else on top of the module nor
lean anything on the module.
• ESD wrist strap (or other personal grounding device)
• Number 1 Phillips torque screwdriver
Manual torque screwdrivers are recommended. Be sure to never exceed the recommended torque
setting for the screw that you are working with.
• Replacement fan tray
• N77-C7706-FAN=
Installing or Replacing Modules, Fan Trays, and Power Supplies
OL-31330-01