HP Z8 G4 Product End-Of-Life Disassembly Instructions page 14

Figure63 Remove the battery from MB.
Figure65 Remove the PCIe slot cover(x6) from chassis.
Figure67 Cut off the cable tie to fix P3 power cable
EL-MF877-00
Template Revision B
PSG instructions for this template are available at
Figure64 Push the MB from the rear side to from and
remove the MB out of chassis.
Figure66 Remove the PSU from chassis
Figure68 Cut off the cable tie to fix BM SATA and Graphics
power cable.
EL-MF877-01
Page 14