6. Grasp the replacement fan tray and make sure that the fan tray is plain with the outside edge
of the fan slot. Slide the fan tray into the slot till you feel resistant. Use a cross screwdriver
clockwise to tighten three screws of the fan tray.
7. Position the dustproof net on the fan tray, and use a cross screwdriver clockwise to tighten
two screws of the dustproof net.
8. Hold the front panel, and make sure that the front panel is plain with the outside edge of the
slot. Slide the front panel to the left till it is fully seated in the chassis slot.
Replacing a Fan Tray on the Back Panel
To replace a fan tray on the back panel, take the following steps:
1. Wear an electrostatic discharge (ESD) strap around your bare wrist and connect the strap to
an ESD point on the chassis. See ESD Prevention.
2. Use a cross screwdriver to loosen two screws on the fan tray counter-clockwise.
3. Hold the handle of the fan tray and pull it out a little to disconnect it to power. Wait till the
fans stop spinning.
4. After the fans have stopped spinning, pull the fan tray out of chassis.
145
Chapter 5 Hardware Maintenance and
Replacement
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