IBM 9223-42H - Page 32

Figure 15. Installing the front cover and door
c) Rotate the cover up and towards the system until the release latch is seated into its respective slot.
d) Twist the cover latch to the right (clockwise) to lock the cover as shown in Figure 16 on page 31.
Vertical is locked; horizontal is unlocked.
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Power Systems: Common procedures for installable features