IBM Power Systems 9009-41A Manual page 27

Figure 10. Removing the service access cover
1) Release the latch by pushing the release latch (A) in the direction shown.
2) Slide the cover (B) off the system unit. When the front of the service access cover has cleared
the upper frame ledge, lift the cover up and off the system unit.
d) Carefully tilt the stand-alone system from its vertical position to lay it in a horizontal position.
Position the system with the open service area up, and with a 3 cm (1.5") support (A) along its top
edge, as shown in Figure 11 on page 14.
The support (A) is used to prevent the plastic handle from being damaged.
Removing and replacing the system backplane in the 9009-41A, 9009-42A, or 9223-42H 13