IBM Power System 9040-MR9 Manual page 22

Figure 6. Removing the service access cover
12. Complete the following steps to place the system in the operating position.
a. Unlock the blue rail safety latches (A) by pushing them towards the front as shown in the following
figure.
b. Push the system unit back into the rack as shown in the following figure until both release latches
of the system unit lock into position. Ensure that any cables do not catch or bind as you push in
the system.
Note: Slide the system unit slowly into the rack to ensure that your fingers do not get caught in the
side rails.
8 Power Systems: System backplane