IBM 9009-41A Manual page 92

Figure 59. Installing the service access cover
3. For a rack-mounted system, unlock the blue rail safety latches (A) as shown in Figure 60 on page 79
by pushing them inward.
Ensure that the cable management arms can move freely. Ensure that the cables at the rear of the
unit do not catch or bind as you push the unit into the operating position.
78 Power Systems: PCIe adapters for the 9009-41A, 9009-42A, or 9223-42H