Chapter 7 FRU/CRU Replacement Procedures 7-9
7.6.4 Fan Module
Caution – Before touching or replacing any component inside the Sun StorEdge
5310 NAS, disconnect all external cables and follow the instructions in “Safety:
Before You Remove the Cover” on page7-2 and “Removing and Replacing the
Cover” on page7-2. Always place the server on a grounded ESD pad and wear a
properly grounded antistatic wrist strap.

7.6.4.1 Sun StorEdge 5310 NAS Fan Module Removal

The fans in the Sun StorEdge 5310 NAS are individually replaceable. To replace an
individual fan, first remove the fan module according to the instructions below
while referring t o Figure 7-5.
1. Remove the full-height PCI riser board.
2. Unthread the memory fan power cable from the retaining hooks on the plastic
processor air duct.
3. Push the air duct slightly toward the back of the chassis, then lift it by its front
edge and remove it from the chassis.
4. Remove the flex circuit cable retention clip.
5. Disconnect the flex circuit cable from the backplane.
6. Unthread and remove the USB cable from the clips on top of the f an module.
7. Unplug the fan cables from the server board system fan connectors.
8. At the end of the fan mo dule closest to the chassis centerline, push on the tab to
release it from the chassis
9. While pushing on the tab, lift up on the module to clear the retention stub.
10. Slide the module towards the power supply until it comes free.
11. Lift the fan module out of the chassis.