NEC ExpressA1160 - Manual (Page 218)

Memory Board (CRU)
11-22
1. Pull the fan module handle forward, and then rotate it down.
2. Slide the fan module out of the cell.
Caution
You must replace the fan module within 2 minutes, or the cell powers off. If
the power to the cell is already off, this does not apply.
Figure 11-18 Fan Module