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Fans
The SC450NX server contains five removable chassis fans (and can accept up to three more) to
cool the boards and removable media drives. These chassis fans connect to the front panel board
and are enclosed in a removable foam assembly. The integrated power supply fan(s) provides
more cooling and airflow.
Removing the System Fan Assembly
1. Observe the safety and ESD precautions at the beginning this chapter.
2. Remove the access cover (see page 89).
3. Remove the foam cover from the front subchassis by pulling it straight out (Figure 33).
4. For better access to the individual fan cables on the front panel board, carefully rotate the right
edge of the foam fan assembly outward into the opening where the foam cover was.
5. Label and disconnect the individual fan cables from the front panel board. For fan cabling
considerations, see Figure 34 on page 104.
6. Remove the fan assembly from the chassis.
102
Figure 33. Removing the Fan Assembly
OM08012
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