Lenovo ThinkSystem SD550 V3 User Manual page 187

• For reference, the torque required for the screws to be fully tightened/removed is 10+/- 2.0
lbf-in, 1.1+/- 0.2 N-m.
• To prevent damage to components, make sure to follow the indicated tightening/loosening
sequence.
Figure 112. Installation of a 2U Standard PHM
Figure 113. Installation of a 2U performance PHM
After this task is completed
.
Chapter 5 Hardware replacement procedures
177