Intergraph Zx10 5U System Manual page 83

5. Note the airflow direction of the fan and the position of the fan on the mounting plate (the side
closest to the processors), and gently pull upward on the mounting plate until the mounting
plate and fan clear the base unit.
6. Remove and retain the screws attaching the fan to the mounting plate.
7. Ensure the airflow direction arrow on the new fan is pointing in the correct direction, then
attach the new fan to the mounting plate using the screws removed previously.
8. Reinsert the mounting plate into the base unit, aligning the tabs on the bottom of the mounting
plate with the slots in the base unit.
9. Tighten the fan mounting plate thumbscrew.
10. Tighten the screw attaching the mounting plate to the base unit.
11. Connect the new fan's cable to its connector on the system board.
12. Replace the top cover. See Chapter 7, "Gaining Access to System Components."
To replace a front fan:
WARNING The system is always on when connected to AC power. Before performing this
task, disconnect the system's power cord from its AC power outlet.
1. Remove the top cover. See Chapter 7, "Gaining Access to System Components."
2. Disconnect the fan's cable from its connector on the system board.
3. Remove the snap rivets holding the fan to the bulkhead.
4. Pull the fan up out of the fan cage, carefully guiding the power cable and connector out from
under the bottom of the cage.
71
Snap Rivet
(Typical)
Bulkhead
Fan Cage