Disassemble The Chassis For Recycle - Lenovo ThinkSystem SD550 V3 User Manual

13. If the internal adapter bracket is installed, disconnect all the cables from the internal adapter; then,
remove the internal adapter bracket from the node (see
127).
14. If the GPU air duct is installed in the node, remove it (see
15. Disconnect all the fan cables from the system board; then, remove the fan cage from the node (see
"Remove the fan cage" on page
16. If the PCIe riser assembly is installed, remove it from the node and disconnect the PCIe cables from the
system board (see "Remove the PCIe riser assembly" on page 146
page 223).
17. Remove the power bus bar (see
18. Disconnect the power distribution board cables from the system board; then, remove the power
distribution board (see
19. Remove the rear I/O module (see
20. Remove all the installed cable ducts.
21. Disconnect all the cables from the system board.
22. Remove the system board (see

Disassemble the chassis for recycle

Follow instructions in this section to disassemble the ThinkSystem D3 Chassis before recycling the chassis.
About this task
Attention:
• Read "Installation Guidelines" on page 43
you work safely.
Step 1. Power off all the nodes (see
from the nodes.
Note: If necessary, press the release clip with a flat-head screwdriver to remove an external
network cable from the rear of a 2U node.
Step 2. Remove all the nodes from the chassis (see
Step 3. Remove all power supply units and PSU fillers from the PSU cage (see
supply" on page 61
Step 4. Remove the chassis from the rack (see
the chassis on a flat, static-protective surface.
ThinkSystem SD550 V3 User Guide
278
104).
"Remove the power bus bar" on page
"Remove the power distribution board" on page
"Remove the rear I/O module" on page
"Remove the system board (Trained technician only)" on page
and "Safety inspection checklist" on page 44
"Power off the node" on page
and Removal of a PSU
"Remove the chassis from the rack" on page
"Remove the internal adapter bracket" on page
"Remove the GPU air duct" on page
and "PCIe riser cable routing" on
156).
161).
53); then, disconnect all external cables
"Remove a node from the chassis" on page
filler).
119).
178).
190).
to make sure that
75).
"Remove a hot-swap power
54); then, lay