Lenovo ThinkSystem SD650 V3 User Manual page 189

i. Remove the power distribution board, and carefully rotate the water loop so one half is sitting
on top of the other half. See
Step 2. Remove the two Torx T10 screws (per node) to remove the VR water loop trough out of the system
board.
Figure 189. VR water loop trough removal
Step 3. Remove seven Phillips #1 screws per node on the system board (with a torque screwdriver set to
the proper torque).
Figure 190. System board screws removal
Note: For reference, the torque required for the screws to be fully tightened/removed is 0.5-0.6
newton-meters, 4.5-5.5 inch-pounds.
"Remove the power distribution board" on page
Chapter 5
148.
.
Hardware replacement procedures
181