HP Z2 SFF G5 Product End-Of-Life Disassembly Instructions page 8

Step 21 Use T-15 screwdriver remove the screws on the PSU
Chassis
Step 23 Use T-15 screwdriver to loose the screws of MB from
board
EL-MF877-00
Template Revision C
Last revalidation date 09-May-2018
HPI instructions for this template are available at
Step 22 Disconnect the PSU cable from the MB
Step 24 Remove MB from chassis
EL-MF877-01
Page 8