Lenovo 7D31, Maintenance Manual

Page: 259 / 274

Appendix A. Hardware disassembling for recycle
Follow the instructions in this section to recycle components with compliance with local laws or regulations.
Disassemble the server for chassis recycle
Follow the instructions in this section to disassemble the server before recycling the chassis.
About this task
Attention:
• Go over “Installation Guidelines” on page 107 to ensure that you work safely.
• Turn off the server and peripheral devices and disconnect the power cords and all external cables (see
“Power off the server” on page 12).
• If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover,
or remove the server from the rack.
Step 1. Remove the security bezel (see “Remove the security bezel” on page 198).
Step 2. Remove all the installed drives and fillers (see “Remove a 2.5-inch hot-swap drive” on page 110
and “Remove a 7mm drive” on page 115).
Step 3. Remove all the installed power supply units and fillers (see “Remove a hot-swap power supply unit”
on page 171).
Step 4. Remove the top cover (see “Remove the top cover” on page 214).
Step 5. Remove the system board air baffle (see “Remove the system board air baffle” on page 200) or the
processor and memory expansion tray and the expansion tray air baffle (see “Remove the
processor and memory expansion tray” on page 190).
Step 6. Remove the fan cage assembly (see “Remove the fan cage assembly” on page 130).
Step 7. Remove the external LCD diagnostics handset (see “Remove the external LCD diagnostics
handset” on page 126).
Step 8. Remove both PCIe riser card assemblies (see “Remove the PCIe riser assembly” on page 157).
Step 9. Remove all the adapters that are installed on the system board (see “Remove an adapter” on page
160 and “Remove the OCP Ethernet adapter” on page 155).
Step 10. Remove the memory modules that are installed on the system board (see “Remove a memory
module” on page 148).
Step 11. Remove both PHMs that are installed on the system board (see “Remove a processor and heat
sink” on page 177).
Step 12. Remove the power backplane from the system board (see “Remove the power backplane” on page
167).
Step 13. Remove the system board (see “Remove the system board” on page 202).
After disassembling the server, recycle the unit in compliance with local regulations.
© Copyright Lenovo 2020, 2021
251