HP Z2 SFF G5 Product End-Of-Life Disassembly Instructions page 9

Step 25 Press the PSU's latch on chassis
Step 27 Use PH1 screwdriver to remove screw for the PSU
EL-MF877-00
Template Revision C
Last revalidation date 09-May-2018
HPI instructions for this template are available at
Step 26 Remove the PSU from chassis
Step 28 Remove cover
EL-MF877-01
Page 9