HP RP3440 - Manual (Page 137)

2. Remove the fan.
To remove fan 1A, 1B, 2 or 3 from a rack-mounted server, or fan 3 from a pedestal server,
grasp the appropriate fan and lift it out of the fan socket (
Figure 6-16 ; Figure 6-17 ; Figure 6-18 ).
Figure 6-16 Removing Fan 1A or Fan 1B
Figure 6-17 Removing Fan 2
Figure 6-18 Removing Fan 3
Removing and Replacing System Fans 137