Fujitsu PRIMERGY TX1330 M4 Upgrade And Maintenance Manual page 146

Power supply unit (PSU)
Figure 75: Disconnecting all cables from the power distribution board
Ê Disconnect all cables from the power distribution board.
Figure 76: Removing the power distribution board
Ê Loosen the captive screw (1).
Ê Push the power distribution board in direction of the arrows (2).
Ê Remove the power distribution board (3).
146 Upgrade and Maintenance Manual
TX1330 M4