Oracle Sun Fire X4240 Service Manual page 113

Note – If you are replacing a defective fan power board, remove only the fan
modules that are necessary to remove the defective fan power board.
See
3. Remove the Phillips screw that secures the fan power board to the chassis
(
FIGURE 5-1
4. Slide the fan power board to the left to disengage it from the paddle card.
5. Remove the fan power board from the system and place it on an antistatic mat.
Removing the Fan Power Board
FIGURE 5-1
Section 3.3.4, "Removing a Fan Module" on page
).
Chapter 5
3-12.
Servicing Infrastructure Boards and Components 5-3