HPE ProLiant DL345 Gen11 Service And Maintenance Manual page 53

9. Remove the fan cage:
a. Loosen the captive screws (callout 1).
b. Lift the fan cage away from the chassis (callout 2).
Remove the midwall bracket Remove the midwall bracket
Prerequisites Prerequisites
Before you perform this procedure, make sure that you have a T-10 Torx screwdriver available.
Procedure Procedure
1. Power down the server.
2. If installed, open the cable management arm.
HPE ProLiant DL345 Gen11 Server Service and Maintenance Guide 53