IBM Power System Series Manual page 169

Figure 145: Installing the service access cover
36. Remove the system-to-rail locking clips.
a) On the right rail, pull the blue latch marked R.
b) While holding the blue latch, rotate the clip off the rail.
c) Release the blue latch.
d) Repeat steps "36.a" on page 165 through "36.c" on page 165 to remove the system-to-rail
locking clip from the left rail.
37. Complete the following steps to place the system in the operating position.
a. If needed, 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.
SAS cables in the 9040-MR9 165