HPE ProLiant DL345 Gen11 Service And Maintenance Manual page 118

Procedure Procedure
1. Power down the server.
2. If installed, open the cable management arm.
3. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
4. Disconnect all peripheral cables from the server.
5. Do one of the following:
Extend the server from the rack .
Remove the server from the rack .
6. Remove the left chassis ear:
a. Remove left chassis ear screws (callouts 1).
Retain all screws for future use.
b. Detach the left chassis ear (callout 2).
HPE ProLiant DL345 Gen11 Server Service and Maintenance Guide 118