HP 403349-003 - Manual (Page 51)

Removal and replacement procedures 51
You can replace the fan units during operation.
The following tools are required for installation:
• T-25 Torx driver
Removing the fan unit
1. Open the rear MCS door.
NOTE: The number of horizontal brackets varies depending on the position of the fan unit (top,
middle, or bottom).
2. Using a T-25 Torx driver, remove the four Torx screws securing the horizontal shipping bracket to the
MCS frame.