Intergraph TD-x10 System Reference Manual page 44

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4. Using a quarter-inch nutdriver, remove the screw (next to the power distribution board) securing
the fan assembly to the base unit.
5. Push the fan assembly towards the internal RAID subsystem and lift the assembly out of the base
unit.
6. Disconnect the cables from the power distribution board. Keep track of the cables which attach to
the various connectors.
7. Using a No. 1 Phillips screwdriver, remove the screws securing the power distribution board to the
base unit.
8. Remove the board from the base unit.
9. Attach the new power distribution board to the base unit.
10. Replace the fan assembly.
11. Connect the cables to the power distribution board.
NOTE Refer to Chapter 7, "Power Supplies, Power Distribution Board, and Fans," if you need details about
cable connections to the power distribution board.
12. Replace the power supply.
13. Close the base unit.