IBM 9009-41A Manual page 67

Figure 39. Installing the service access cover
3. For a rack-mounted system, unlock the blue rail safety latches (A) as shown in Figure 40 on page 54
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.
Installing, removing, and replacing PCIe adapters for the 9009-41A, 9009-42A, and 9223-42H system 53