IBM Power System S821LC Installing page 22

5. Before releasing your hold on the system, ensure that the rails are engaged by sliding the system
forward into service lock position. Check that the rails are properly seated. If the rails are not fully
engaged, the system could drop.
6. Release the rail safety latches and push the system fully into the rack. The safety latches work in
opposite directions; the latch on one side moves up while the latch on the other side moves down.
Figure 2. Placing the system into the operating position
7. Secure the system to the rack by screwing a screw through the handles on each side of the system
chassis.
8. Plug the power cords into the power supplies.
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Power Systems: Installing the IBM Power System S821LC (8001-12C)