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Replacing the Fan Assembly 49
To replace a fan assembly, you need:
■ An antistatic wrist strap
■ A screwdriver
WARNING: To avoid injury:
■ Do not touch any naked wire, terminal, or any part of the product labeled
Dangerous Voltage. Always wear the antistatic wrist strap when replacing the
fan module.
■ Keep hands away from fan blades when removing the fan assembly because
fans continue to turn after the assembly is removed.
To replace a fan assembly:
1 Put on the antistatic wrist strap.
2 With both hands, pull out the ejector levers on the fan assembly to separate the
fan assembly connector from the backplane.
3 Pull the fan gently along the guides of the slot to remove it.
4 With both hands, pull out the ejector levers of the fan that will be installed. Align
it with the guides in the chassis and slide it gently into the slot until you feel the
positioning pin on the handle bar touch the hole in the chassis.
5 Press the ejector levers inward and seat the pin on the handle bar into the
positioning hole in the chassis.
WARNING: If the fan fails, replace it with a new one without delay before
operating the Switch 8800. Failure to do so will cause the switch to overheat.