Service manual

Removal and Replacement 7-63
Removal
1. Shut down the operating system and power down the system. Unplug the AC
power cable from the cabinet tray power supply.
2. If present, unplug any power cables going to the server control modules at the
back of system drawers.
3. Unscrew the four Phillips head screws securing the fan tray to the top of the
cabinet.
4. Loosen the four hexnuts that hold the tray to the top of the cabinet.
5. Holding the bottom of the tray, slide it out so that the holes in the tray frame slip
over the loosened hexnuts.
6. Move the tray to a work surface to remove whatever component is being
replaced.
Replacement
Reverse the steps in the Removal procedure.
Verification
Power up the system. If the green power LED comes on, and the fan LED is off, the
cabinet fan tray is verified.