Lenovo ThinkSystem SR860 V3 User Manual page 77

Pull the inner rails all the way out until they stop.
Lift the lock latches, and pull the inner rails to disengage them from the intermediate rails.
Attention: There are two pairs of lock latches on the rails. Lift the second pair of latches to proceed to slide
the inner rails out.
Remove the inner rails.
Step 3. Align the slots on the inner rail with the corresponding T-pins on the side of the server; then, slide
the inner rail forwards until the T-pins lock into place with the inner rail.
.
Chapter 5 Hardware replacement procedures
67